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Smyth Sidewinder

smy-side


This side-by-side two-seater combines good looks and performance in an all-metal package that makes it more like a factory-built aircraft than a homebuilt. The design was started by former Navy pilot, Jerry Smyth in 1958 and the prototype finally flew in February 1969. The design received the "Outstanding Design" award at the 1969 17th Sport Aviation Convention at Rockford, Illinois. Several have been built since then including some with fully-retractable undercarriage.

Fuselage is built around steel tubing for superior crash protection. Stabilizer is all-flying with an anti-servo tab to provide control fell and pitch trim. Airfoil is NACA 63-009. Alt control surfaces are mass-balanced. All three trike gear wheels wear pants. Provision is made for engines of 60 to 180 hp that weigh up to 310 lbs. A 125 hp unit giving a cruising speed of 255 km/h and a range of 685 km. It is a side-by-side two seater that uses a sliding canopy, tapered steel rod landing gear, stabilators and fiberglass cowling.

It is stressed to 9 g's "ultimate".

EU-Wish is the owner of the Smythe Sidewinder Design. The plans package contains 112 pages with many full size parts shown and all the necessary information to build the Sidewinder. Original copyright protected plans with official serial numbers were available from EU-WISH Aircraft.

Engine: Lycoming 125-hp 0-290
Gross Wt. 1450 lb
Empty Wt. 867 lb
Fuel capacity: 17.5USG
Wingspan 24’l0”
Length 19’4”
Height: 5ft 5.5in
Wing area: 96 sq.ft
Top 176 mph
Cruise (75 percent) 160 mph
Stall 55 mph
Climb rate 900 fpm
Range 425 sm
Seats: 2

Engine: Lycoming O-320-E2A, 150hp
Prop: Hartzell CSU, 66in
Gross Wt. 1600 lb
Empty Wt. 1129 lb
Fuel capacity: 103 lt
Wingspan 24’l0”
Length 19’4”
Height: 5ft 5.5in
Wing area: 96 sq.ft
Seats: 2

EU-Wish Aircraft Sidewinder
Engine: 125 Hp
Wing Span: 24' 10"
Wing Area: 96 sq. ft.
Fuel Capacity: 17.5 gal.
Baggage Weight: 60 lbs.
Gross Weight: 1450 lbs.
Empty Weight: 867 lbs.
Useful Load: 583 lbs.
Max. Speed: 175 mph
Cruise Speed: 160 mph
Stall Speed - No Flap: 55 mph
Rate Of Climb: 900-1500 fpm

EU-Wish Aircraft Sidewinder S&GA
Engine: Lycoming O-320, 160 hp
HP range: 90-180
Length: 19.3 ft
Wing span: 24.8 ft
Wing area: 96 sq.ft
Empty weight: 867 lb
Gross weight: 1550 lb
Fuel capacity: 17.5 USG
Cruise: 167 mph
Stall: 60 mph
Range: 490 sm
Rate of climb: 1200 fpm
Takeoff dist: 1200 ft
Landing dist: 900 ft
Seats: 2
Cockpit width: 38 in
Landing gear: nosewheel

 

 


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