Product Number: 20-STOL-25C
Complete High Lift Sportsman STOL leading edge kit with WING TIPS, for Cessna singles.
This is the best performance mod you can do to a single engine Cessna.
FAA-PMA-STC: STC #SA4302WE, STC #SA4303WE
Kit comes complete with installation instructions, STC paperwork, all hardware and parts, landing light lens and standard small droop wing tips.
The kit also has aileron gap seals, and recommends not using flap gap seals with this kit.
Skins are 2424-T3 al cad aluminum, .025 thickness
Skins are installed with Cherry max pull rivets, 91-62
Install time: estimated as 50 labor hours for 1st time installers and 25 for the experienced.
Eligibility List: Cessna single
STC # SA4302WE
150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L, 150M, A150M
152, A152
STC # SA2256WE
170-B
172, 172A-L, 172M, N, P, Q, R172K
175, 175A, B, C
180, 180A-H, 180J, 180K
A185E, A185F
185, 185A-E
205, 205A
206, P206, P206A-E, U206, U206A-G, TP206A-E, TU206A-G, 206H - T206H
207, T207, 207A, T207A
STC # SA4303WE
182, 182A, 182B, 182D,182C, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S, 182T,
R182, T182, T182T, TR182
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SHIPPING INFO:
Short Delay for manufacturing
Approx. 8 to 10 week manufacturing delay before shipping.
Overseas shipping: You must contact us for a shipping quote
Shipping Box Sizes:
Sportsman kit ships in two boxes.
Pre 1974 models, Box 1, 94"x10"x8"
Box 2, 49"x13"x13"
Late models 1975 and newer.
Box 1, 112"x10"x8"
Box 2, 49"x13"x13"
Sportsman FAQ's
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What is included in the kit? The kit includes inboard composite fairing, new leading edge skins, transition blocks, new landing light lens assembly (applicable models), aileron gap seals (except for 206), all rivets, composite wingtips, installation drawings and instructions, and STC paperwork.
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What is the average installation time? For an individual who has not installed the kit before the installation takes 40-50hours without paint. Experienced installers on average take 30-40hours.
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Is the kit STC'd for my aircraft, see list above.
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How is the Sportsman different than other STOL kits? Other STOL kits utilize a leading edge "roll cuff", and others incorporate drooping ailerons as well. These "roll cuffs" as we like to refer to them, increase the leading edge radius of the airfoil. The concept of a "roll cuff" is not new. There was an Italian by the name of Lombardi that used the leading edge roll back in the 1920's and while it does aid in moderately improving stall speeds it does not have the performance gains as offered by the Sportsman. The Sportsman extends and droops the leading edge, without modifying the radius, therefore modifying the camber of the wing and adding over 4sq. feet of area to the wing. We sell many Sportsman kits to aircraft owners every year who remove their existing "roll cuff" and/or couple it to their drooped ailerons and they all report further performance increases of 10-15% and increases in aileron effectiveness. Look at the graph above to compare the Sportsman leading edge profile with others. The Sportsman not only increases aircraft performance but dramatically alters the stall behavior of the aircraft. The stall becomes a mush rather than the classic break in pitch of a non-modified aircraft. This allows controllability of the aircraft all the way through stall with reduced altitude loss over the non-modified aircraft. The increase in safety due to these characteristics is what keeps customers coming back. The Sportsman was developed using modern airfoil wind tunnel results from NASA's Langley Research center. This technology profoundly improves performance, stall behavior, and safety of aircraft and is the only technology found in currently offered STOL features being used in the modern aircraft developed today, i.e. Quest Kodiak.
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Do you offer installation? Yes, at Stene Aviation located in Polson, MT. Their average installation is approximately 30-35hours charged at their shop hourly rate.
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Upon installation what is the change in weight & balance? The kit adds 15 pounds at 22".
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What degree of countersink do you use with the Avex rivet? The Avex rivets supplied with the kit utilize a 120º countersink. You can purchase these from Brown Aviation Tool Supply