Thread: Discussion Value of a McCoy 60
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Old Feb 01, 2013, 06:10 PM
datsunguy is offline
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For this to be a free flight engine, the plane would have had to have been HUGE. My dad gave us an old Goldberg Sailplane he made as a kid. It was a BIG airplane. It used a Brown Jr. and then an Ohlsson 60. He never ran the engine for than 10 seconds for fear of loosing it. We didn't know any better and mounted a K&B 35 series 61 on it with a 4 ounce tank and fired it up. It was trimmed perfectly (as luck would have it) and we let it go. It went straight up for 4 minutes. Out of sight in 45 seconds. Never saw it again. A McCoy 60 would have put it into orbit if it didn't break the wing in two first. I went to loads of free flight contests as a kid in the 50's and 60's and never saw a Mac 60 on a free flight. Always on C/L speed planes. They made the engines in limited quantities well into the 60's.

In comparison, a Goldberg Viking had a 4 foot span and was powered by an 049/051.
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