I am building a VANS RV-4 aircraft. If your not involved in homebuilt aircraft it wont be too interesting, but if you are a part of that elite group it just might be. My intention is to include ONLY the interesting details, so the rate of change will be quite slow!

Friday, January 26, 2007


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Just a comment....

Hi, just came across your 'site. Haven't been to the UK RV 'site for a while. I'm in Oz and have an almost-scratchbuilt RV-4 I first flew in 2003. It's going great, and I commend your choice and reasoning re. weight and simplicity. I used and O-360-A1A, Hendrickson FP wood prop (68x74), Icom radio and AT150 transponder, traditional instruments but not a light or gyro to be found. Basic weight with oil is 964lb @ ~17%MAC. I do have an Raven inverted oil vent tank installed. I have the Mk1 style cowl with 4" prop extension that i grafted the FAB scoop onto and old gear fairings/pants. Plus the original mechanical flaps. In this config, no special cleanup, I get 172KTAS @ 36L/hr. You should beat 990lb easy with a 320, and the CG will be better positoned. It will fly nice. I stall at 43KTS with flap, 45 without.
PS - I'm using my wife's account, my e-m is grant.piper@bigpond.com
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