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Old Mar 15, 2007, 01:11 PM
barb wire is offline
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??? FOLDING PROP EQUIVALENT TO A APC 10x4.7 SF FOR A 170W HACKER A20-20L


The Plane Is A 14 Ounce RTF Home-built Acrobatic Based On The
M/m 'smooth-e' Wing.

For Tall Dives A Non-folding Prop Like A Apc 10x4.7 Presents Too
Much Drag. PLUS THE PROP WANTS TO SPIN DURING DIVES. More Diving Speed Is Possible With A Folder Prop.

I've Had Some Success With A Graupner Cam Folding 10x6. With The Esc Brake Set It Dives Straight Down W/o Any Windmilling.

I'M Wondering If Others Have Sought An Equivalent To The Rigid
Apc 9x6 And 10x4.7 Sf Props


OR IS APC NOW MAKING FOLDING VERSIONS ?
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Old Mar 15, 2007, 08:25 PM
greykat is offline
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aero-naut makes a nice 9x6.5 set of blades that I use. They use the same mounting as the Graupner. Part # is 7234/22


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