Super 90 (oz4655)
About this Plan
Super 90. Enlarged 150% version of the classic KK Super 60 (oz552) design. This is a modern redrawn plan in PDFvector format.
Quote: "Change made to frame is that I've used two dowels on the front of the leading edge. The tailplane is now held with a dowel at the leading edge and an M6 bolt about two thirds chord. I am also thinking about making a semi symmetrical tailplane section by adding 1/4" sq. ribs top and bottom and sanding to shape. Covering, I'm tempted to go traditional and use nylon and dope (rip stop nylon from kite makers) but then I thinking nylon for the fuselage and Solartex for the flying surfaces - time will tell on that one. I've got an ASP 108 on board which I reckon will spend most of its time at tick over, I would like a 90 4 stroke but haven't got one however we will see what she flies like ...I will make amendments to the drawings after I've completed mine but if someone wants to build one they can from the pdf files."
Note this is a large plan, with 2 x sheets of 9ft by 3ft.
Direct submission to Outerzone.
Supplementary file notes
PDF file with 3 pages of photos and notes, showing build progress (so far).
This plan is available for download in CAD format.
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User commentsModel photo is from the 'notes' PDF supplement file, and shows size of Super 90 fuselage against normal Super 60.
SteveWMD - 28/07/2013
Photos of the Super 90...[see more pics] I've got as far as flying her and she is really smooth and stable. Even simple aerobatics are possible. I eventually secured the outer wing panels with M5 nylon bolts tapped into the lower spars and locating into a 5.5mm dia. hole in the outside end of the 1/2" ply dihedral braces, no elastic bands and what seems like a good system; well its not given me any problems. With the 108 she is a little overpowered but thank heavens for the throttle, an 8 oz tank on fast tick over is good for 10 to 15 minutes. A heavier engine would be really good, a converted 20 cc petrol strimmer motor would put weight where it wants to be. There is a 2 lbs of lead in the nose due to the low weight of the engine; I'm not sure how much this would be reduced with a 90 4-stroke.
hogal - 03/12/2013
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