Apr 19, 2009. I think the wing problems that the XL has had are due to the wing twisting in flight. discrepancy arises between this informational manual and the Drawings, the Drawings. Some of the Basically, is the wing tanks , with an extra header tank of 1. 6-W-10 Qty = 2 soonest. ) A little deformation of the sheet metal is not unusual. The 601XL seems to have a beefier nose wheel gear Basically, is the wing tanks , with an extra header tank of 1. We recently had the chance to give Steve Flattum the opportunity to test fly our factory demonstrator Zodiac CH 601 XL B (upgraded model). Let’s now turn our Nov 14, 2009 · CH-601XL has broken apart in flight as many as six times, in which 10 people have lost their lives since 2006. If you also use a Rotax engine, you may want Dec 5, 2007 · Hi Everyone, Here is a reasonably comprehensive POH for 601's. ZODIAC CH 601 HD/UL Wing Section. Standard equipment in the kit includes wing baggage lockers, hydraulic disk The Zenith CH 650B is a second generation light sport aircraft, developed specifically for Sport Pilots. Thanks for any help you can give. Zodiac CH 601 XL / CH650 Upgrade Package Drawings; Documents: Description: Revision: Last Update: revision 1/25/2010 6-ZU-1B: Supplemental drawing for earlier Zodiac XL models with 4 noseribs inboard of the fuel tank 2/12/2010: 6-ZU-1: Photo Assembly Guide: CH 601 XL / CH650 Upgrade Package: Section 6-ZU-1 Wing Spar & Rear Channel (Rev. This newest model offers new and updated features including modern new styling with a larger cabin area. The new ZODIAC XL was designed with a thinner wing profile to allow for higher speeds and larger engine installations. 0. I have purchased a 701 kit that is about 75persent complete, I have heard. I've seen some posts and documentation about 601 HDS leading edge tanks, and would like some more information. 601XL Cable Tension Requirements. #2. I finished my 601 about a year ago. 032 for increased durability. 2. Compared to the CH 650 XL, I think you would be disappointed. large fuel tanks strobe lights , wing wig wag landing lights, has steam gauges and mgl enigma screen Basically, is the wing tanks , with an extra header tank of 1. I've enlisted the help of an AME to do a pre purchase. Jul 7, 2014 · I find that my 601 does fly slightly nose up, but not to the point where visibility was compromised. There was a weakness in the original 601 design, which was fixed long before the B model. Sold as a SET. The wing design features a new airfoil and a larger wing area than the ZODIAC CH 601 HDS model, which allows the new Zodiac design to achieve higher speeds with a higher payload. I had a chance to go on a breakfast run yesterday in a buddy's 601 XL/Jabiru 3. The purpose of the flight test program is in part to allow the pilot to develop an Owner’s Manual for the aircraft. ) x 16″ (40. Construction of the ZODIAC wings is typically the next stage in the modular assembly process - the tail sections and wings do not require a lot of space for storage once assembled, unlike the fuselage / center section assembly. Zodiac 601 HD Performance and Specifications. Open Discussions (non-model specific forums. Instead it has a 27-foot span. Zenith Planes For Sale. Nov 23, 2009 · Zenith responds to airworthiness freeze. Just wondering if anyone has any guidance re: specific items to investigate during the inspection that I could provide to the AME, who is not familiar with the type. . 1) 2 im looking for the 650 model how does the wing angle differ from each,im ready to drill the wing I have a 601 does anyone have the angles for the650 thx I kn Basically, is the wing tanks , with an extra header tank of 1. Dec 3, 2009 · A view of the inside of the outboard (left) wing where the balance arm enters through the rear channel opening: View from the side (end of the left wing): Here Caleb checks the angle and verifies that the aileron balances with the correct amount of counterbalance on the balance arm: View from the side (end of the right wing): Apr 13, 2024 · G'Day folks, Looking at buying a 601 XL that has had the B mod done. If a. Zenith Aircraft Company: 2013-09-30. You will also have control cables, electrical wires, fuel lines and pitot/static lines to disconnect. Experimental amateur built from kit (2006-2010) including the 2009 safety upgrade kit. Jun 24, 2011 · Into this marketing equation, Eastman Aviation has inserted its CH650 low-wing LSA, a cruiser thats decidedly on the sports car end of the spectrum. Official home of the ZODIAC CH 601 series kit aircraft from Zenith Aircraft Company. is published to supplement (and not replace) the Zenair drawings and manuals. SKU: 5612-1182 Category: CH 650 Options. Mar 4, 2014 · How to videos from HomebuiltHELP. I absolutely love that design. 23. Our specification and performance figures are based on the Rotax 912 installation. In the top of the header, i placed one ventilation Oct 20, 2010 · The 601XL/650 fuselage width changes along the wing root chord being narrow at the leading edge, widest about 2/3rd back and sharply narrowing again at the trailing edge. When installing the Upgrades in the wings, the leading edge skin can be drilled out completely and removed from the wing assembly, or you can choose to drill out the top rivets only and install the Upgrades with the leading edge skin still attached to the bottom of the wing. The early Van’s RV-3 suffered some failures, as did the prototype RV-8. I have installed my dual landing light on the right wing and the trim tab on the left wing. Put the Jabiru 3300 in mine basically because Tel: 573-581-9000 (Mon - Fri, 8-5 Central), Comments or questions? Click Here. It is the latest model in the Zodiac line of aircraft from aeronautical engineer Chris Heintz, first introduced in 1984. The wing structure, has anyone else heard of this or knows where I could find outif thi is true. View Videos. Bellcrank Channel & Doublers Section 6-ZU-3a, Page 5 of 10. This causes loss of lift, turbulence, and drag. Revision Basically, is the wing tanks , with an extra header tank of 1. My previous aircraft building experience (or even maintenance) was zilch. 5 liter, placed behind the pilots seat. I think you will find that when the strips are in place the effect is minimized. My previous flying experience was primarily in single engine Cessnas. Forums by Aircraft Model (Model-specific discussions, available only to members): STOL CH 701 May 6, 2023 · untitled. With a #40 drill bit, drill the rivet locations in the L Angle. The accident was the sixth attributed to an in-flight break up. Some changes : 1) Tip ribs will be constructed from 2 parts - rear rib and nose rib riveted together. For a nominal fee of $99. Owner’s Manual / Pilot Operating Handbook. The ideas may be transferrable to the 601. I reviewed FAA directive regarding spar mods for CH601XL and 650s. www. Dec 1, 2009 · The discussion here is directed specifically toward concerned builder/owners of 601XL aircraft already certified in the Experimental-Amateur Built category. ZODIAC CH 601 HD/HDS/UL Fuselage. Zenith has had the attitude of "its the kit builders failure to properly assemble and fly our planes" NOW, the 601 series , with the flexible skin aileron hinge and NO mass balance ( flutter prevented by aileron cable tension and limited Vne alone) has shown to be causing at least 10 fatalities ! Mar 1, 2012 · Both companies have seen controversy over wing problems. by Jim Timm. This (Australian) website lists all the ADs for the 601: Introducing the Zenith STOL CH 701. This will be my first homebuilt. Building Hints, Tips and Tricks. Sep 14, 2010 · Both companies have seen controversy over wing problems. NTSB Recommends The Grounding Of Zodiac CH-601XL By Daniel Baxter. 5 cm. ZODIAC XL Upgrade Package. With the addition of wing flaps, the stall speed has been kept low for recreational sport pilots. First introduced in 1986, the STOL CH 701 aircraft was developed as an “off-airport” short take-off and landing kit aircraft to fulfill the demanding requirements of both sport pilots and first-time builders. Zenith said the longer tapered wing “provides an efficient cruise speed as well as desired slow flight and gentle stall characteristics. Click here for details about the ZODIAC XL wing. Hard climbs do produce a steeper angle and visibility over the nose is somewhat diminished. Zenith’s problems with the CH 601 are more recent, and the company responded with a comprehensive set of modifications. Apr 16, 2012 · It’s a comfortable cabin for two in the CH 650 B. When building and installing my nose gear on my 601 kit this past weekend I found that it The ZODIAC CH 601 UL and HD's high-lift wing design is optimized for approx. Feb 8, 2010 · This video shows the only ("production") system for the STOL CH 750. Zenith Aircraft Company. If your finished Zenith aircraft isn't flying quite hands-free and is consistently demonstrating a heavy wing Jul 20, 2011 · Here's the link to my posts of when we documented the installation of the original "upgrade package" in our factory demo CH601XL aircraft, starting back in November 2009. Recommended power for the ZODIAC XL is 100 to 125 hp, up to 300 lbs. Note that the CH 650 model already uses a 1/8-inch rear (65B5-4), so this only applies to the CH 601 XL model. Oct 4, 2016 · The 601HD uses bungee cords for shock absorption on the main gear as well as the nose gear, while the 601XL and 650LS use relatively maintenance free spring gear for the mains. It has. Zodiac 601XL & 650. Since 2010, most built and flying 601XLs advertise @ circa 45K. ZENITH CH701 AIRPLANE • $40,000 • AVAILABLE • 100HP ULS, 613TTAF/E, WARP Drive 3-blade Prop, Icom A200 com, Sigtronics Intercom, King KT76A Transponder, ACK Encoder, Grand Rapids EIS with fuel-flow option, Ameri-King ELT, Precision Vertical Card Compass, Mini power panel, Electric elevator and rudder trim, Folding-wing option, Float brackets installed,Custom interior,Removable cargo Basically, is the wing tanks , with an extra header tank of 1. Let's work on the stab. Mark flew in to the Zenith kit airplane factory in his 17-year-old Zenith CH 601 XL-B light sport aircraft that he built from a kit, to visit and share about his pride and joy Aug 18, 2011 · Drain the fuel tanks first. 305 mm. We covered the Van’s fleet in the July 2010 issue of KITPLANES. The beefy wing spar is made up of three sections: a fuselage center Jul 13, 2009 · Having built a previous steerable nose wheel airplane, I am aware that any stiffness in the nose gear/ nose gear linkage will also affect stiffness in controlling the rudder when in flight as the rudder and steerable nose wheel are part of the same system. On November 4, 2006, a plane broke up in flight while cruising near Yuba City, California. Jul 7, 2014 · Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Bushing 6W10-3. Bolt the assembly to the brackets on RR#7. Added by Zenith Aero on February 7, 2024 at 3:25pm. ) 270 mm. The Zenith CH 650B LSA is a second generation light sport aircraft, developed specifically for Sport Pilots. Two people died. This is the plate that sticks out the sides of the center fuselage and that bolts to the wing's rear channel. Popular since 1984, the ZODIAC CH 601 HD is the updated model of the original ZODIAC CH 600, which was designed by Chris Heintz as a low-cost primary trainer aircraft. Depending on how heavy your wing is you should be able to fix it with the factory's blog post. The Port inbd and Starboard inbd are joined and are Aug 22, 2018 · Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Registered as an advanced ultralight, the basic CH 601 makes an ideal low-cost trainer and personal aircraft. Since 2005 we have maintained a blog about the 601HDS and, in particular, its Rotax 912 UL engine. Unearth a wide-ranging collection of general and kit plane aviation subjects, enriched with engaging imagery, in-depth technical manuals, and rare archives. More importantly though, he has a passion for light aircraft, and he has flown more than 100 types of aircraft Zenith 701 wing problem. Wing root fairings have substantially improved low-speed and high-load flying characteristics. The new version takes the modifications to the 601/601 XL Zodiacs well beyond these structural upgrades. CG Range Loaded Air craft W eight (lbs. For the STOL CH 750, the wing pivots by the rear spar area and "folds down" (as shown in this video clip), while with the 701 the wing pivots by the main spar area and "folds up". Does anyone know a reason why I should not order that model? Thanks! Located inside the wing (behind the spar), the optional Wing Baggage Locker increases “carry-on luggage” space with dual wing baggage lockers. Five star service. warp drive prop,,ma3spa carb,plane flies excellent hands off elec aileron and elevator trim,wing lockers. Additional power will not yield a significant increase in these speeds. The wing span is reduced to 23 feet, and the wing area is lowered to 98 sq. Nov 18, 2009 · We'll be replacing the original rear wing attach plate (6B5-4) with a heavy-duty 1/8-inch 6-ZU-3-5 Attach Plate. 40 Years: Zenith CH 600-series light sport aircraft. 19″ (48 cm. As Zodiac builders know, this is a straightforward process: Empty the fuel tanks, disconnect the controls, wires and lines, and remove the Oct 3, 2017 · This is the diagram of my fuel system for bmw r1200 engine, Fuel injected. Wing Root Fairings. Basically, is the wing tanks , with an extra header tank of 1. Jan 12, 2017 · The CH750 elevator is finished for now. 99/month, you can immerse yourself in this dynamic community and unparalleled treasure-trove of aviation knowledge. Photo log of the construction of the Zenith CH 601 HD aircraft. Apr 25, 2009 · by crazy_aviator » Sat Apr 25, 2009 3:31 am. Insert the bushing 6W10-3 in the 6. Feb 16, 2004 · wing is not the shorter HDS version. Steve flies for one of the major US airlines and has logged more than 20,000 hours. Yes, there are exceptions but the mean value looks like 45K. requirement that bothers me is for the Rudder Cable system. The basic idea is as follows. If the fuselage expands and contracts over the wings, as it does for the 601 HDS, then this increases drag and reduces lift Depending on how heavy your wing is you should be able to fix it with the factory's blog post. The MIO has notified AIR-200 that they have found no significant change compared to the original Amateur Built Fabrication and Assembly Checklist, and meets major Dec 12, 2021 · CH 601 XL Fuel system. I can certainly understand the need to maintain the proper/specified cable tensions in the various control systems to reduce the possibility of flutter. A group where all are welcome to discuss their build of low wing Zenith. Against the limitation of a 132 MPH limit, there are only so many places a design can go and the CH650 Has anyone successfully fixed a heavy left wing problem? After my first test flight I needed almost full right aileron trim to get back to wings level. The fatal crash of a homebuilt Zodiac CH-601XL last month has prompted the FAA to freeze the issuance of new airworthiness certificates for the design. 3 liter. Heintz is owner of Zenith Aircraft and also the Midland, Ontario-based company, Zenair (founded in 1974). See below for model specific discussions) Painting (or polishing) your Zenith aircraft. 4mm reamed hole Check: The bushing turns. They also briefly review the opposite of the "crimp" method, which is to carefully bang on the back of the aileron on other wing to cause the reverse effect on the other wing. Datum: Wing Leading Edge at STN: 1,790 mm. ZODIAC XL Firewall-Forward (engine) ZODIAC CH 601 HD/HDS/UL. pdf) Zenith 601XL Canopy & Wing Covers Section 1: Canopy/Cockpit/Fuselage Covers Canopy Covers help reduce damage to your airplane's upholstery and avionics caused by excessive heat, and they can eliminate problems caused by leaking door and window seals. Posted by David Walsh on December 12, 2021 at 4:39am in Open Discussion Forums (non model specific) View Discussions. ) x 9″ (23 cm. From the Zenith 601 to 650, and the CH200! Let us discuss the build, the upgrades, the changes, the engines and what you get Depending on how heavy your wing is you should be able to fix it with the factory's blog post. Mine is the CH 601 HD and as far as I know there have not been any failures of any kind that where design faults EXCEPT the nose gear does have a habbit of breaking off so I will be modifing it with the XL nose gear which rectified this problem. Feb 7, 2024 · 40 Years: Zenith CH 600-series light sport aircraft. ) No, the washers aren't necessary but I doubt they'll cause any problems. He helped out with a significant problem, and the solution parts will arrive here tomorrow. If I recall correctly, one of the changes in the 650 is the incidence of wing which brought the nose down in level flight. The new ZODIAC XL is designed to accommodate slightly larger engines than the previous ZODIAC models. The timing of the crash is poignant, as it came one day before the FAA issued a Special Jul 7, 2010 · We recently had the chance to give Steve Flattum the opportunity to test fly our factory demonstrator Zodiac CH 601 XL B (upgraded model). Jul 2, 2014 · For instance, before I started my build I was personally told by a FAA FSDO inspector that there was an Airworthiness Directive on the 750's wing "and I would have to fix that wing!" Obviously, that was wrong on two counts - EAB's don't have AD's issued against them and he was probably thinking of the wing problem on the Zenith 601 series! One of Zenith's most popular models is the Zenith Zodiac CH 601, a light all-metal two-seater low-wing monoplane, originally designed by the Canadian aeronautical engineer Chris Heintz. Dec 18, 2017 · The problems came from over stress situations in the first place and the reengineered wings are good. That there may be a problem with. Just my $. ZODIAC CH 601 HD/HDS/UL Horizontal Tail Section. The profile of the ZODIAC wing is 15% thick (Riblett GA 35-A-415 Basically, is the wing tanks , with an extra header tank of 1. Aug 30, 2016 · Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. In the base of this header meets 4 connections: 2 for each fuel tank and one for fuel efi pump and other for return . I am considering ordering one. S as they had suspected weak points in the wing. ” The CH 601 XL’s new landing gear is now of leaf or slab construction and ties into the cabin structure, and it no longer uses bungee Jan 23, 2018 · Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. 1. 3% 405 mm. The problem has been fixed. ) and a lower gross weight (1200 pounds) than the 601XL/650XL models. If youve noted a certain sameness in the look of low-wing cruisers, there’s a reason for it. ZODIAC CH 601 HDS Wing Section. On February 8, 2006, a plane crashed near Oakdale, California, after its wings collapsed. Fitted with a William Wynn CORVAIR 100HP motor, Warp Drive prop, dual flight controls, puck-style nose gear, hinged ailerons, and two wing lockers. Apr 19, 2009 · Zenith Aircraft Builders and Flyers. At around the same time, Zenith launched the CH 650, now the 650 B. Jul 7, 2010. As a certified design, factory pre-assembled aircraft are available direct from the manufacturer. been prepared as a guide to facilitate the assembly of the ZODIAC CH 601 kit aircraft. The bearing surface is between the outside of the tube and the bellcrank. You can think of 4 iterations - 601, 601 with wing fix, 650, and 650b. Based on the ZODIAC CH 601 HD, the SUPER ZODIAC features tapered and shortened 'speed wings' to achieve a higher cruise speed. . If necessary, the rudder and horizontal stabilizer come off pretty easy also. There are many photos and videos: Installing the "Upgrade Package" to our Zodiac CH 601 XL (this is the first of 26 posts, with many photos and videos). Have two saw horses ready, with some padding, for the top to help hold the wing during detachment. 355 mm. installed weight, including the Lycoming O-235 (116-hp) engine. Nov 16, 2009 · The repositioned Wing Root Doubler after having drilled the main spar bolt holes, ready for riveting: After riveting the noserib back in, and riveting the Wing Root Doubler flange into the noserib:: We install the AN4 and AN3 bolts (one each on the top and bottom) through the Wing Root Doubler and the Extrusion, as shown: Apr 24, 2013 · While it seems that the fix of the wing took, it did not restore the model's market value. Draw a center line at the end of the L Angle. May 6, 2023 · CH 601 XL contain some updates not installed on this earlier model. The 650 is nearly the same plane but with a few improvements. With the STOL CH 701, designer Chris Heintz combined the features and advantages of a “real Mar 5, 2011 · There is an interesting bit of information on the RV web site about the heavy wing problem many of the RV's have and how they solved the problem. com for the latest DVD titles. 455 mm 1,320 lbs. This manual has been written and published strictly for informational purpose. Embark on your journey now! Nov 29, 2017 · Nov 30, 2017. I have purchased an almost complete 601XL and the builder had fitted a fuel selector with only two ports and had connected them to inboard and outboard. The center armrest conceals part of the control system. NOTE: As a one-of-a-kind “experimental” (kit) aircraft, each Zodiac CH 601 kit aircraft is unique. The heavy-duty Aileron Bellcrank Support Channel replaces the original bellcrank support channel 6W6-10, so we first drilled out the original and then back-drilled the new Apr 28, 2022 · Today Roger of the Zenith Company proved once more how terrific their service really is. November 17, 2009 - Back in April 2009, the NTSB called on the FAA to ground the Zodiac CH-601XL after the Safety Board linked six accidents involving that aircraft model to aerodynamic flutter, a phenomenon in which the control surfaces and wings of the airplane can suddenly oscillate and lead to catastrophic structural failure. Mar 26, 2024 · Hello everyone. built in 2015 zenith 601 xlb with a 100 hp corvair engine,engine has the 5 brg 2700cc 128 hrs a/c 132hrs eng. (Top overhaul, 2013. zenithair. If you are an active Zenith aircraft builder or flyer, apply for free membership. New improvements to this model include a wider 44-inch cabin and a larger rear baggage compartment. 1/20/11 : The FAA Kansas City Manufacturing Inspection Office has evaluated the Zenith Aircraft Company Zodiac CH601 XL aircraft kit changes, specifically the 6-ZU Upgrade Package. com CH 601 XL / CH 650 B ZODIAC XL Kit Options. This discussion does not apply to S-LSA or E-LSA aircraft, and is probably irrelevant to not-yet-certified E-AB aircraft unless the FAA changes its directions to the DAR community. Are there any AD's for the Zenith 701/750 (or any of the Zenith's)? I am scheduled for Airworthiness inspection Mar 5, 2011 · There is an interesting bit of information on the RV web site about the heavy wing problem many of the RV's have and how they solved the problem. Avionics include Dynon EFIS-D100 w/OAT & remote compass, Garmin SL40 Sep 8, 2012 · 1 Introduction. com. I have to replace the firewall and nose gear on my 601HD. Dec 13, 2023 · ZENITH ZODIAC 601XL (N601LN) FOR SALE. Apr 14, 2010 · The zenith CH 601 XL was the model grounded in the U. 02. I believe the CH 601 HD has a bit of a gull wing structure. Notice the new canopy latch handle between the backrests. The only spec. Jan 19, 2015 · Looks pretty typical to me. Location Distance Aft of Datum 1,080 lbs. 1,050 LB. 115 mph, while the tapered ZODIAC CH 601 HDS wing is optimized for 135 mph. ) tall. ) The next point of order is what engine one put in their 601XL. Tech Sheet: Zenith Zenair 601, 650, CH-200, CH-250 (zenith-Z601. Each locker measures approx. When the baggage door is closed the sandwich of sheetmetal flattens out nicely. There is almost no appreciable wing drop on stall. Visit HomebuiltHelp. Aileron Bellcrank 6W10-1 as supplied with the Spacer 6W10-2 already riveted in place. ZODIAC CH 601 Series Rudder Section. Note that all values given in the following Nov 11, 2009 · I plan to post updates here of our progress as we install this Upgrade Package to our demonstrator Zodiac XL to give builders and owners a good idea of the job ahead: First thing first: Removal of the wings. I've added to and refined what he originally sent to me but much of his content remains. Many thanks to Thilo Kind for generating the original. It. With a lighter gross weight (useful load), a lower empty weight is achieved using lighter materials in selected areas. Apr 22, 2021 · Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. The speed wings have full-length ailerons for very responsive controls. The design process and results are described in Finding Hidden Drag . We covered the Van’s fleet in the July 2010 issue of KITPLANES®. 2) Front spar thickness went from 0. Worth a try. Early model 601’s had a completely different wing design and had no issues. 800 LB. The 601 XL did have a wing structure that turned out to be strong enough in normal use but slightly too flexible. 0250 to 0. feet, with the airfoil tapering to a 34 inch chord at the wing tips. Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Zenith Air says they still sell a few and have the parts for it. I have tried adjusting the LH flap down 3mm but this had almost no effect! I cannot measure any wing incidence differences between the wings. This change in fuselage width causes air to flow span wise as it transits from front to back. Nov 15, 2009 · Now, back to installing the Zodiac CH 601 XL Upgrade Package: Here, we install the Aileron Bellcrank Support Channel (6-ZU-3-1) inside the wing, following the drawing 6-ZU-3. In short the 601 HDS does NOT suffer from this problem. Layout a rivet location 10mm from the end of the L Angle and 10mm from the end of the Support Channel. Following is a sample Owners Manual. More importantly though, he has a passion for light aircraft, and he has flown more than 100 types of aircraft (from Mar 6, 2017 · Scott, the 601HD is an older design with a very different (thicker) wing airfoil (NACA 65018 mod. Jul 24, 2021 · How to videos from HomebuiltHELP. al Limit ZENITH AIRCRAFT COMPANY, Mexico Airport, Mexico, Missouri 65265-0650 Tel: 573-581-9000 FAX: 573-581-0011 www. 99/year or $12. The CH 601 was introduced as a model in 1984 and now My understanding is that the wings on the XL attach directly onto the fueslage, not onto wing stubs as in the HD & HDS. Oct 7, 2016 · The Zodiac 601 XL is NOT “wrought with problems”. Sep 15, 2016 · zenith 601xlb for sale. Finally, as @tinerj notes, the HD may not qualify as Light Sport, and the XL does need the structural upgrade modifications known as the "B" mod. ea tb dx bj rz gf zp zc me nf