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19th March 2006 | 14:20

#7 (permalink)

Genghis the Engineer

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Joined: Feb 2000

: CPL

Posts: 14,480

Likes: 178

From: UK

Quote:

Originally Posted by chevvron

If those engines are similar to the ones used in racing karts, they max out at about 15,000 rpm; just imagine the tip speeds of those direct drive props!!

Which may explain why they're so small!
G