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Go Back   WIMAC > pierre sarault's Profile > Albums

Racer R 30 X Short Wing + Inverted 4 cycle engine
After Paul Grenier flight tested my R 30 X we discussed a shorter wing for faster flight and higher roll-rate. To make landing easier add flap area and increase flap travel...this meant oleo struts hidden in custom LG spats mounted under shorter wing + flaps that deploy at >45 deg. After calculating "moments", I designed a new engine mount and exhaust arrangement for Saito engine + a new cowling + rebalanced the whole plane...This is the challenge, the fun, besides it looks good!
3/4 front left view
profile = minus 3 deg wingtip washout
The plumbing part
3/4 front from ground view
3/4 top front view
Wing halves joined
Obeechee-covered wing half
Wing Cores with cable tunnels

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