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Tinker Source

Sorrell SNS-2 “Guppy”

Sorrell SNS-2 “Guppy”

$9.99 USD
$9.99 USD
Sale Sold out
Type

Designed by Hobie Sorrell, the “guppy” is of all wood construction.  The design is a good one, and plenty of these little airplanes have been built. If you are looking for a good, proven, and solid homebuilt airplane design then this one may just be for you.  Design calls for a OMC outboard boat motor, or any motor over 18hp.

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Sorrell Guppy Homebuilt Airplane Pictures

Here are several nice photos of the Sorrell Guppy homebuilt airplane. I do not know where these pictures originated, and do not know the people in the photos. Any help identifying them would be appreciated. 🙂

Specifications:

  • Designer and builder: Hobie sorrell
    Span: 21’3″
    Length: 15’5″
    Height: 5’2″
    Weight empty: 330 lbs
    Weight gross: 575 lbs
    Fuel capacity: 5.5 gallons
    Wing Chord: 36″ (37″ lower wing with aileron
    Wing Area: 129 Square Feet
    Dihedral: 1.5″ each side
    Incidence: 2 degrees upper, 3 degrees lower
    Stagger: minus 11 inches
    Engine: OMC (Outboard Marine Corp.) Cushman model 200 (4 cycle)
    Horsepower: 18 at 3600 rpm (redline 4000 rpm)
    Weight: 90 lbs including prop, as converted
    Displacement: 43.16 Cubic inches
    Fuel consumption: 2 gph at 1/3 throttle cruise

  • Carburetors: Yamaha M 24-26
    Fuel Pump: engine driven (backs up gravity at low fuel)
    Propeller diameter: 48″
    Pitch: 9.5 degrees at tips, 12 degrees at 12″ in from tips (non helical)
    Blade width: 4 7/16″
    Static rpm: about 3100
    Landing Gear: Wittman steel rod type
    Main wheels: 5″ magnesium go-cart wheels
    Main tires: 5.00 x 5 tires (used Bonanza nose tires)
    Main tubes: 6″ go-cart inner tubes
    Tailwheel: 2 1/4 inch solid caster tire with a 1/4″ bore brass bushing
    Fuselage: all wood structure
    Wings: all wood structure, aluminum fittings
    Tail: 4130 steel tubing
    Covering: 1.7 oz. dacron, lightly doped
    Other steel tubing: wing lift struts, engine mount, cockpit controls, windshield frame, and elevator push=pull tube, wing tips