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os70 surpas II and APC prop

Old 12-22-2006, 01:16 PM
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bahamadude
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Default os70 surpas II and APC prop

Will a 15*4W APC work on an OS70 II fourstroke
Old 12-22-2006, 01:43 PM
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Default RE: os70 surpas II and APC prop

That's too much prop for a 70 Surpass II if you are going to use it for 3D

This one would be more like it.....

http://www2.towerhobbies.com/cgi-bin...?&I=LXGAE5&P=7
Old 12-22-2006, 01:51 PM
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bahamadude
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Default RE: os70 surpas II and APC prop

Yes which for 3D which prop then ?
Old 12-22-2006, 01:52 PM
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Default RE: os70 surpas II and APC prop

14-4W prop
Old 12-22-2006, 01:59 PM
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Default RE: os70 surpas II and APC prop

sorry for taking u in cirles didnt see above post was very fast !!
Old 12-22-2006, 02:17 PM
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Default RE: os70 surpas II and APC prop

Everything is fine. Ask all the questions you want. I had to go to the other site and look to see what was available.
Old 12-22-2006, 02:23 PM
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Default RE: os70 surpas II and APC prop

i'll be using this engine(os70 ) on a nitro models yak 54 .50

also i havea weston 50 in a acro F3d from them too what prop for 3D ?
Old 12-22-2006, 06:11 PM
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Default RE: os70 surpas II and APC prop

Use a APC 12.25 X 3.75 or some other brand 12-4. Which ever you can find?

I taking the point of view that your source of supply is Great Britain? The Graupner props are good too.
Old 12-22-2006, 07:43 PM
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Default RE: os70 surpas II and APC prop

right now I am running a 14 *4 APC it pulls really well (the vertical is amazing), but i think its too hard on the engine so i want to prop it down. I feel a 13 *4 W would be better.

12*6 and this thing really spins alot of rpms

She has weston pipe bolted on too

Well I am using the acro F3d for pattern stuff right now sorry I didnt mentioned that above
Old 12-23-2006, 08:25 AM
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Default RE: os70 surpas II and APC prop

Well at $12 a copy APC is prowd of that extra plastic. The closest MAS would make is a 13x5 K series at a list price of $4.59 I'll bet if more of us would email MAS they might produce more 3D sizes.............

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