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Old 02-05-2011 | 09:57 AM
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ram3500-RCU
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From: n. canton, OH
Default RE: Wing Loading

I checked my model P-47 vs the full scale and found the wing loading to be very similar if you take lbs vs oz. Don't know if this translates properly. I also discovered that the full scale, at a gross weight of 15,000lbs (still under the max gross), in 30 deg temp. and at 3000ft, no wind, and a sod/turf runway, would require 5200' to take off. The formula came to 4000' plus 400' for each 10deg cel. That would be a 1/5 scale 1040' foot long run!!!!! If I'm doing the math correctly. Even at an empty weight of 10,000, it would be 3000' plus the 10% for temp. = 3900' X 20% = 780' at 1/5 scale.

They had to pick their fields carefully, if they wanted to fly back out. They could land in around 2800' at a weight of 13,500, but as shown, they would not get back out, if that was all they had.