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HelicopterEngines Plugs Mufflers Fuel › Pipe for OS 91SZ-H?
09-15-2007 09:19 PM  10 years agoPost 1
ChopperEddie

rrVeteran

Pennsylvania, USA!

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Turning my Raptor 60 into a 90 and am in the market for a pipe. The engine is an OS 91SZ-H non-pumped. I'm leaning towards the MP2 (if I can find a clean one used) or MP5 but am open to suggestions.

-- Runway? We don't need no stinking runway! --

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09-15-2007 09:51 PM  10 years agoPost 2
UCGC

rrApprentice

Colorado

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Love my MP5!! Tons of power.

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09-16-2007 05:57 AM  10 years agoPost 3
creightoncarr

rrKey Veteran

Missouri City, Texas - USA

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I second the MP5.

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09-16-2007 06:30 PM  10 years agoPost 4
wrobijns

rrApprentice

Swalmen, the Netherlands

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I third the MP5
Just more power then my MP2

Walter Robijns, 3D rules !!!

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09-17-2007 12:59 AM  10 years agoPost 5
rgl726

rrApprentice

cebu city, philippines

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heres another option:

http://www.rcpowersupply.com/produc...8&cat=46&page=1

lots of power

raymond

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09-18-2007 12:01 PM  10 years agoPost 6
Richie Sabin

rrApprentice

Niagara Falls, NY

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Well hate to disagree but the power I have is from a Hatori SB-18FH.
Great power low noise...and stays on the heli...O/S91SZ Raptor 90 its a little more money but worth the difference

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09-18-2007 07:25 PM  10 years agoPost 7
robhurlin

rrKey Veteran

Pretoria, South Africa

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My MP2 works really well with my 91SZ-H non-pumped. I'm sure the MP5 gives more power etc, but if you find an MP2 at the right price, go for it!

Rob.

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09-19-2007 12:24 AM  10 years agoPost 8
ChopperEddie

rrVeteran

Pennsylvania, USA!

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if you find an MP2 at the right price go for it!
I did exactly that, actually. Found a clean MP2 for $55 shipped. I picked that up for now to get the newly converted 90 up and running.

Hopefully, Santa (my girlfriend) will bring a new MP5 for Christmas!

Thanks for the input, gents!

-- Runway? We don't need no stinking runway! --

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