Stol ch 701 airfoil for windows

The stol ch 701 uses a special airfoil design to achieve very high lift, low stall. Storch hs a modern fieseler storch by fly synthesis video. I completely wired one for a friend of mine and he has about 35 flying hours on it now. Gross weight increase for stol ch 750 light sport utility kit plane. Aircraft airfoil design the best and latest aircraft 2018. The pega stol wings used on this particular ch 701 are just less than 23 feet in. The most popular windows alternative is stream what you hear, which is both free and open source. The new zodiac ch650 ei kit plane made in icp italy under zenith aircraft company licence the zodiac ch650 ei is a completely new model of the zodiac kit aircraft series, optimized for the proposed sport recreational pilot category. The classic rudder pedals, connected to a largediameter steerable nose wheel for easy of ground handling, are equipped with toebrake hydraulic pedals on the pilot side on both sides. The superstol is a little nose heavy, and using a flat bottom airfoil shape to add lift to the tail may exacerbate the problem. Unlike other highwing designs, the stol ch 701s wings are positioned above.

The stol ch 701 was not designed to be just another pretty light aircraft, but was engineered to offer outstanding short takeoff and landing performance, allmetal durability, and unparalleled ease of construction. Stol ch 701 n514jg airworthiness certificate elsa august 2007, built from zenith aircraft kit, 2003 continental c85 engine strong runni. Bought a zenith ch701 full kit page 2 of 2 backcountry. Assembly of a passive slat system for a ch701 kit aircraft. Longer wing for the 701 when hans started flying his 701 it was the first of type in the area, and he was fairly satisfied with its stol performance compared to other aircraft around. Id like a higher cruise speed but im not willing to sacrifice the stol performance much to get it. Ive long wondered what the ideal airfoil would be for vgs to have the best stol effect. Parser ch10smil ch10 smoothed chuch hollinger ch 1048 high lift low reynolds number airfoil max thickness 12. Theyre just as effective for roll control as the originals.

Ch701 aircraftzenith aircraft download scientific diagram. The device is ideal for very simple slowflying aircraft whose primary capability is getting into and out of. If that doesnt suit you, our users have ranked 12 alternatives to airfoil and eight of them are available for windows so. Aug 27, 2016 high speed stol airfoil selection help. He said clearly that if the stol performance was the main factor, the 701 is the way to go. It is a zenair ch 701 stol, it is a two person short take off and landing airplane. But the handling of a small and light airplane will be seriously affected by the weight, even if you got the weight. Zenith ch 701 builder interview with flight duration. Inside and out, the g1 stol has different construction and build process, from the welded cabin tubing, to the contoured not boxy fuselage, different rudder, different elevator, different wing airfoil, foldable, no slats, g1specific vortext generators, different. Mar 25, 2020 smaller and lighter than the stol ch 750, short. Considering that the cruise speed is 212 times the stall speed, this is not bad at all. The stol ch 701 is equipped with dual control sticks between the pilot and passengers legs. Bought a zenith ch701 full kit backcountry pilot stol. Aug 26, 2019 airfoil is not available for windows but there are some alternatives that runs on windows with similar functionality.

Just had a look at the italian icp web site, it appears that the only savannah they offer with slats is the adv. The airfoil is listed as a naca 65018 mod before cutting the slot for the slat this leads me to believe that i could cut that airfoil for the wing, then hotwire away the leading edge slat. Zenith stol ch 701 flying with the dynon avionics d2 pocket. They could have offered an alternative original 701 fixed slats or.

The chris heintzdesigned stol ch 701 is a workhorse. I assume since zenith has worked this out this is the way to go. Jan, 2014 indeed, the stol ch 701 is a great example of form following function, to borrow an architectural metaphor. Zenith stol series ch 701, ch 750, ch 801, and heintz zenith. When you remove the wings leadingedge slats, the wing chord is decreased. The stol ch 801hd design is based on the successful stol series of aircraft designs, originally introduced in 1986 and developed by zenair since then. In fact, the g1 is much bigger than the ch 701, it is clearly not a copy. Building a zenith ch 701 page 6 of 7 backcountry pilot. I have an old engineering video engineering wind tunnel test somewhere that shows a rod versus an airfoil shape, the drag of the rod was something like 9 times greater than that of a airfoil shape the same thickness. This is the talk page for discussing improvements to the zenith stol ch 701 article. Ive known the 701 savannah part of this story for many years, but only recently has the full story emerged. Update 040210 just a few pics of my friends zenair 701.

With the 65hp rotax 582, the zenair stol ch701 at full gross stalls at 28 mph, cruises at 74 mph with a top speed of 82 mph. In addition, the wings taper at the wing root to meet the. Zenith ch 701 quick built the g1 is not a copy of the zenith 701 750 series stol planes, as outlined in our faq here. In addition, the wings taper at the wing root to meet the skylight top window. Slat is an airfoil fixed or not positioned in front of the leading edge of an existing airfoil. Because airfoil satellite for windows 5 has not removed support for any os versions, no legacy versions of the app are needed at this time. The stol ch 750 xplane program is designed to be used with xplane 9. The pegastol wing was good enough that zenair accepted it as an alternative, and you could buy the 701 kit without the factory wings and fit pegastol. Streamline wing struts for the stol ch 701 zenith aircraft. Jun 18, 2015 zenith aircrafts roger dubbert takes his stol ch 701 light sport utility kit airplane affectionately called the sky jeep by many up for a flight with dynon avionics new d2 pocket panel, an. Assembly of a passive slat system for a ch 701 kit aircraft jordan coenen1, spencer spagnola1 california polytechnic state university, san luis obispo, ca 934070352 this report presents the background and process involved in the assembly of a passive slat system for the zenith air ch 701 kit aircraft. The twoseat stol ch 701 is surprisingly roomy for an aircraft its size and weight. Details of airfoil aerofoilsm701il sm701 somers maughmer sm701 airfoil.

Assembly of a passive slat system for a ch 701 kit aircraft jordan coenen1. A stol ch 701, a ch 750, a ch 601 xlb and a ch 801 fourseater. So vgs and the reprofiled airfoil nose probably create a better overall airplane, even for the extreme stol use of this airplane. Added wing area stall speed reduction over stock wing and other stol mods softer stall characteristics no drag penalty enhanced safety. The large doors offer easy access to the cabin for occupants and bulky baggage, and the aircraft can be operated with the doors removed for maximum visibility and outdoor feel. Heintz was eager for me to try the four aircraft stationed at the factory. Indeed, the stol ch 701 is a great example of form following function, to borrow an architectural metaphor.

The horizontal stabilizer on the savannah is symmetrical, rather than that distinctive inverted airfoil on the 701. At gross weight it is airborne in less than 120 feet of unprepared grass, or 90. The following short article is in answer to the above question asked to designer chris heintz on his opinion regarding the replacement of the wing leading edge slats with vortex generators or vgs on the stol ch 701 or ch 801. Now im beginning to realize that that big fat airfoil left behind after the slats are removed from a 701. The full domed bubble doors windows provide both added width to the cabin and amazing visibility.

The flaperons are a streamlined symmetrical airfoil, so less drag than the original 701 style. Though rogue amoeba was, and remains, a macfocused software company, it. The wing is lightweight, yet yields a very high lift coefficient, making it a very reliable, simple, and a lowcost high lift device for these two designs. Sure would be fun to have a wing like that on a 701. Airfoil for windows first shipped in may 2006, a little over a year after the first version of airfoil for mac was released. Zenith aircraft schedules monthly factory workshops 14 pg dates included 2002. Download scientific diagram ch701 aircraftzenith aircraft from publication.

The ch 701 is a highwing utility aircraft first sold in 1986 and intended to be useful with as few as 50 horsepower. Zenith ch 701 stol experimental aircraft association. Theres an aussie or two that has built the 701 with a longer wing and claim the performance has improved. It has been performing short takeoff and landing stol duty for 20 years and has developed a cult following. The stol zenairs use a special airfoil design to achieve very high lift, low stall speeds, and high strength. Over the past year we have been testing micro vortex generators vg s on the bottom of the stol elevator. Demostrates the amount of lift generated by an airfoil here. Recently i complained about missing out on a really good deal on a ch701 partially finished kit. Something like 240 pounds with the oem starter and generator. The allmetal twoseat ch 750 cruzer is the latest design from aeronautical engineer chris heintz and while influenced by its wellknown stol predecessors the stol ch 701 sky jeep, ch 750 and fourseat ch 801 sport utility aircraft, the ch 750 cruzer is an all. However, due to the rarity of nosewheel stol designs in the industry, and the similar appearance at a glance of the g1 stol and zenith 701 750, we offer a side by side comparison of specs and features here to help pilots. Aeronautical engineer chris heintz designed the stol ch 801hd to provide the best in performance, cost, reliability and ease of construction in a fourseat utility light aircraft design.

The zenair stol ch 701 horizontal tail has a negative maximum lift coefficient of 2. Well, as luck would have it the other buyer backed out for a variety of reasons and i came up number 1 on the backup buyer list. With form following function, the stol ch701 looks like a. Design features zenair ch601 ch650 zenith aircraft rotax. And, finally, a strong airframe 6 g is necessary so that the pilot does not have to fear losing a wing, which might be associated with the very light structure 430 lbs. These windows are quite useful in turns opposite of the side on which youre sitting. But, for all this to be effective, the tail must be set so that in cruise the drag is minimized by having the elevator in line with the stabilator, and the whole tail airfoil at an incidence compatible with the. Pega stol static longitudinal stability analysis zenair ch scribd. Its also 230 mm more span than the 701 stab due to the moulded plastic tips. Then hotwire the slot portion away, then use small portions of the slot material as brackets to glue the leading edge slat back into place.

The stol ch 750 xplane project is a creation of olivier faivre and hydroz in collaboration with zenair and zenith aircraft co. The ch 701 first flew in 1986 and the design is still in production in 2018. The slats deploy not only forward, but also downward, thus effectively increasing camber of the wing to somewhat the same as the thick, highlift profile of the original wing, so it gives very much the same. Zenith aircraft kit airplanes for recreational sport pilots. The airfoil is much thinner than the regular 701, and the bottom is semisymmetrical. The family resemblance between the stol ch 750 super duty sd and the original stol ch 750 lightsport aircraft is obvious, but the super duty offers a much increased useful load, the addition of a jump seat in the big rear cabin area, and more powerful engine choices for maximum short takeoff and landing stol. Earlier this year at the sunn fun flyin, zenith aircraft company introduced a new light aircraft design. The fixed slats on the ch801 only reduced stall by 1. But when i started flying my savannah it was noticeably better at stol. Stol ch 701 high lift wing design view window showing aircraft geometry airfoils part 2 aircraft design characteristics part two designing smooth symmetrical airfoil wings flite testwings part oneairfoils part 2a rule of thumb on aircraft design you can t cheat physicswing shape optimizationairplane wing design for greatest lift yeppemit and nasa ers demonstrate a. Parser sm701il sm701 somers maughmer sm701 airfoil max thickness 16% at 36. Its big brother, the stol ch 801, is a lot bigger, with twice as many seats and room inside. It replaces the older airfoil speakers for windows.

Zenith aircraft company has announced a design gross weight increase for the stol ch 750 aircraft. Unless doing stol competition, take them off and install vgs. Stol ch 750 by zenith aircraft company zenair video. The stol ch 8000 is a fourseat sport utility aircraft based on the successful twoseat stol ch 701 and 750 design developed by aeronautical engineer chris heintz. Aircraft building and projectlevel overhaul forum kitplanes, experimental amateurbuilt, homebuilding, or even restoration of certified aircraft. About 400 aircraft are currently operational worldwide. It has been used with great success in many short takeoff and landing stol aircraft, among which are the fieseler fi156 storch see figure 107. Thus, i have chosen this fixed slat configuration for the twoseat stol ch 701 and the new fourseat stol ch 801. The origins of both the 701 and the savannah aircraft designs. In example savannah adv adopt a naca 5digit airfoil and a very simple flap. It is constructed from aluminium with blind rivets and has been a much copied design across the world. The zenith ch 801 is a four seat, light sport utility aircraft designed and built by the zenith aircraft company.

The stol ch 750 super duty is the latest model in the zenith highwing lineup. Stol aircraft short takeoff and landing light aircraft. A zenair ch 701 stol light aircraft a short takeoff and landing stol aircraft has short runway requirements for takeoff and landing. Even retracting the slats would not increase the cruise very much. This analysis has been done using matlab software since iterative process is.

I recently bought a ch 750 in oklahome and did all my local flying there, resulting in flight durations of two hours or less. Most obvious is the fixed vertical stabilizer and attached rudder, while the 701 uses that distinctive allflying rudder. The tapered wing root and top window provides good visibility in. Jan, 2010 stol ch 750 sky jeep light sport kit aircraft flight demonstration duration. I looked into largescale 14 scale, usually pylon racers and found some references to recommended airfoils for those, since they would have similar re. Also demonstrates that whatever is installed there, it needs to be very sturdy to carry that lift. So, with small and large stol machines, what else would chris heintz fans want. Zenith stol ch 801 sport kit aircraft aerospace technology. Ch750 fuel issue zenith aircraft builders and flyers. The firewall, forward fuselage and nosewheel of the 701 was not really meant for the weight of a stock o200. The stol ch 801 uses a special airfoil design to achieve very high lift, low stall speeds, and high strength.

In many designs, the pilots head is above the wings lower surface. Upon seeing airfoil for macs ability to stream audio around the home, many windows users requested we make a version for their platform as well. Since chris heintz and his sons introduced the stol ch 701 in 1986 and the stol ch 750 in 2009, they have proved the same thing in reverse. Zenair stol ch 8000 stol ch 750 slsa special light sport. Airfoil satellite for windows is the current receiving and remote control application for airfoil. The stol ch 701 is equipped with a dual flight control stick between the pilot and passenger which branches in the form of a convenient y handle. Home base a new ch 701 sits in front of zenith aircraft. Since its introduction in 1986, more than 1,000 short takeoff and landing stol ch 701 aircraft have been successfully built and flown around the world, many being used for light utility purpos. With the stol ch 701, designer chris heintz combined the construction of conventional aircraft with the shortfield capabilities of an ultralight aircraft. The stol ch 701 uses a special airfoil design to achieve very high lift, low stall speeds, and high strength. Gross weight certification zenith aircraft builders and. Installing micro vortex generators vg on the stol ch 701. It looks like it applies to both stol and the cruzer.

The idea being that i could blend an f3d airfoil at the wingtip into an appropriately selected foil for the center section root. The airplane design snob in me has never taken a serious look at these most ugly airplanes, but after checking out their dandy stol performance and ease of construction, im really impressed. In case you missed the family reunion, heres a primer to help you recognize the quartet. The aircraft wings are positioned above the cabin and fuselage this allows for excellent horizontal visibility as the wings are located above the pilots head to provide pilot and passenger with superior visibility. Many stol designed aircraft also feature various arrangements for use on runways with harsh conditions such as high altitude or ice. The 701 is one of the planes ive been looking at but i wouldnt change much about it. Stol ch 701 highlift wing design zenith aircraft company. Weve been using them on our factory demo planes and have sent out samples to experienced stol pilots, including ch 701 owner and pilot bob jones of alaska we manufactured our own micro vortex generators out of. A stock airfoil like a clark y has what i think is called a phillips entry. The zenith stol ch 701 and ch 750 are a family of light, twoplace kitbuilt stol aircraft designed by canadian aeronautical engineer chris heintz through his midland, ontario based company, zenair. The large wraparound windows and abovecab wings allow unparalleled. Sep 10, 2010 4 videos see all seriously, ive had a bit of an aha moment today watching videos and reading spec sheets on the ch 701 and ch 750 from zenith.

Unlike other highwing designs, the stol ch 750s wings are positioned. I dont have a fuel pump, although i met a 701 owner who had added one, and at. A thick wing, fulllength leadingedge slats and trailing edge junker type flaperons develop a maximum wing lift coefficient of 3. Some owners affectionately call their 701 a sky jeep. Zenith ch750 stol for sale zenair aircrafts aero trader. Yes, joe, youre correct, the ch 701 s wing is shorter by about 2 feet. The short takeoff and landing stol aircraft was derived from its predecessor stol ch 701 by increasing the useful load from 225kg to 450kg. Airfoil selection an overview sciencedirect topics. Homeaircraft using stolspeed vgs testimonialszenith ch701longer wing print. They have shown that square corners and straight lines can be made to go incredibly slow 30 mph with 100foot takeoff runs with their 700 series of short takeoff and landing stol aircraft. I think its too bad that zenith didnt buy the rights to the pegastol wing when it was sold off. The zenith ch 701 was designed by canadian chris hientz as a stol bushplane featuring a deep chord high wing with fixed slats, full span flaperons, an inverted airfoil elevator and an all flying rudder. About as far as id go would be to remove the slats and add vortex generators.