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Old 08-06-2020, 06:38 AM
  #3630  
do335a
 
Join Date: Mar 2006
Location: Toronto, ON, CANADA
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Originally Posted by tedsander View Post
Hmmm.. while the HP is behaving very nicely, it is a "little" .40. I'd be concerned that an 11x7.5 would lug it down too much.
The 10x6 was actually decent.
You are absolutely correct.
While the HP Gold Cup 40 is a very nice engine, it has nowhere near the power of a more current 40. It also is not designed to be overloaded with a large prop. That does not work well.
Here's a pic of my Kadet MK2 with an HP 40 Gold Cup with many hours on it previous to use in the Kadet. Prop was a Master Airscrew 10-6. Take offs were very long. In flight performance was very good. Landings were not fast or long.