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Old Apr 29, 2010, 06:45 PM
Napoleon IV is offline
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Emperor of Speed!
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West Country UK
Joined Jul 2006
189 Posts
Ok. Here's a picture of yours truly tuning up the motor at the OPS Trophy in Milan circa 1980. Actually the airfield was nearer Monza. The weather was really hot and I had to cut additional holes in the cowling to keep the engine cool. What a change from a freezing Lincolnshire airfield in March! The model is a Mako which was designed by Paul Careless. The motor was an HP 40 Gold Cup with an ED Power Pipe. The exhaust port was raised to give 165 degrees of opening and the disc valve was altered to open 4 degrees early and close 2 degrees later. The prop was a wooden Zinger. It ran up to 24,000rpm on a good day.

My caller holding the model is Jon Mock who's still a mate today. We still fly models, go shooting, etc.
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Last edited by Napoleon IV; Apr 30, 2010 at 03:57 AM.
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