grant-RCU

My Feedback: (10)

I want a plane thats fast with a TT pro 46 and a macs pipe on it. I want it to easily fly over 100mphs.

No which wings are the fastest? flat plank type wings, thin air foiled symmetric wings or thin flat bottom wings? say 8% of the chord for the airfoil thickness. on the flat plank say 1/8 inch thick

What i was thinking of doing is building a flat plank wing with a root chord of 16 and a tip chord of 6.5, 9.5 inch sweep and a 32 inch span. fuselage will be 30 inches with a h and v stab.

Should this be a 100mph plane with my 46 and a 9x8 apc prop?

Tall Paul

Any Quickie 500 should do exactly what you want, out of the box.

HighPlains

My Feedback: (1)

With that engine, pipe and prop, ANY quickie should do about 120-130 stock. But the design you are proposing might be able to reach 100. Swept back wings do nothing for speed at these low speed. But if you just want to look fast on the ground.....

grant-RCU

My Feedback: (10)

What is the purpose of swept wings? is the quickie wing symmetric?

BMatthews

Thin symetrical is the best. Forget flat bottom types. Flat plate (not plank) works fine for sport flying. Search for "Magnum 40" I think it is for a 40 powered sheet wing speed fun model. The engine will do the job but you'll probably have to play with the props. It all depends on how fast the TT46 can spin that 9x8 or whatever prop you use. Testing is in order. Don't ask me which prop because I don't fly that size engine. The wing is what's on trial here. For more prop info go ask in the Extreme Prop Planes forum.

Look up pics of Formula One models and Quickie 500 models. That's what they are talking about.

ptxman

My Feedback: (2)

... until its time to turn it hard & come home <g>. Hepperle's website should give you lots of insight & has applicable racing airfoils coordinates.

http://www.mh-aerotools.de/airfoils/index.htm