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Ultralight questions

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Nichoxx

Member
Joined
Jul 6, 2020
Messages
7
Hi,
I am fairly new to the world of ultralights and I have a few questions I was hoping you could answer about an ultralight I would be hoping to base my own project off. (Some of them are probably very stupid)
All of my questions refer to the Quicksilver MX Sport: http://www.quicksilveraircraft.com/images/MX SPORT/scan0003-1.pdf

I would be after the same propeller which is a 66x34, however what else do I need to know? Do I need to ask for it to be a pusher propeller? Is that a thing? Etc
The engine used in this is 40hp which seems awfully low for a propeller of this size? I was expecting to use a 100hp converted engine, for this propeller will I need that much power?
Also the RPMs shown would put that propeller over speed of sound which I thought was bad?
 
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