Pioneer II Marske   


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General Details
Manufacturer: Marske
Plane Name:

Pioneer II

Classified as: Unclassified
Country Of Origin: U S A
Designer: Jim Marske
No. of Seats 1
No. Built 15
   
Performance:
L/DMax: 35 97 kph / 52 kt / 60 mph
   
MinSink: 0.7 m/s / 2.26 fps / 1.34 kt
   


 

Specifications:
Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
/sq.m
lb.
/sq.ft
kg lb.
12.98 42.64 13.8 144 172 380 113 250 285 630 20.65 4.4 0 0
Aspect ratio: 12.6
Airfoil: Modified NACA 33012/33010
Structure: wood wing with Dacron covering. Fuselage is fiberglass.
Engine:

Comment:
Marske redesigned his earlier Pioneer IA for homebuilt construction, and the result was the Pioneer II. The wing, which has separate ailerons and flaps, had the span reduced to 13 m. so it could be built in a standard 20 ft. garage. Upper-and-lower surface airbrakes are used for glidepath control. Because a tailless sailplane has a narrow center of gravity range, an adjustable seat was positioned above the fixed landing wheel, which itself is on the center of gravity. The pilot simply moves the seat until his/her own weight balances the ship on the wheel. The IID model is similar to the earlier IIメs, but with a swept back vertical tail and modified wing leading edge. At least one Pioneer II has been modified by adding tip extensions to increase the wingspan to 14.0 m.


           

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