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25 LA hp

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Old 10-01-2007, 09:57 AM
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rccrasher1967
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Default 25 LA hp

any one know what the horse power rating is for the OS 25 LA??
Old 10-01-2007, 10:06 AM
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RCKen
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Default RE: 25 LA hp

This is from Tower Hobby's website

[link]http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXPUE0&P=ML[/link]

Displacement: 4.07cc (0.249 cu. in.)
Bore: 18.0mm (.709")
Stroke: 16.0mm (.630")
Horsepower: 0.6 BHP at 15,000 RPM
Weight: 7.0oz w/o muffler (9.5oz w/ muffler)
As with all manufacturer's specs, your milage may vary. But this should give you a starting point

Ken
Old 10-02-2007, 07:50 AM
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Steve Collins
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Default RE: 25 LA hp

Here is the problem with that horsepower figure. I want to see any 25LA reach 15,000rpm. Under normal circumstances that will not be achievable.
Old 10-02-2007, 08:00 AM
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Default RE: 25 LA hp

That's why I said it was a starting point for comparison, and that the users milage would vary.

Ken
Old 10-02-2007, 09:40 AM
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jaka
 
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Default RE: 25 LA hp

Hi!
What's the problem..??? Put on a 7x5 or 7x6 APC prop on an OS .25 LA and you will reach 15500 rpm without problem.
Old 10-02-2007, 11:18 AM
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rccrasher1967
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Default RE: 25 LA hp

trying to find out how many watts it puts out , am using a 9x4 prop on a butterfly and was wanting to convert to electric

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