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Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Duct fan motor

Old 01-21-2008, 05:28 PM
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idigrc2
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Default Duct fan motor

Has any one tried using a duct fan motor on a Q 500 plane ?
Old 01-21-2008, 09:43 PM
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dhal22
 
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Default RE: Duct fan motor

good question. could you put a os .46 vr or an older k&b .40 - .46 rear rotor or df engine on a scat cat? probably have to cut the nose back a bit though.

david
Old 01-21-2008, 10:17 PM
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freakingfast
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Default RE: Duct fan motor

It's been done. Viper + OS 46 VX DF. There was a video, It was fast, but not the fastest Iv'e seen. His prop diameter was too small. It sure sounded cool.
Old 01-22-2008, 09:49 PM
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Julian537
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Default RE: Duct fan motor

You would need to clip the wings a few inches on each side also. A viper or q500 plane needs atleast an 8" prop to go anywhere. anything less in diameter and you are just spinning your wheels. you need some thrust for that airframe!

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