Author Topic: Husqvarna and other OEMs  (Read 168 times)

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Offline KilliansRedLeo

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Husqvarna and other OEMs
« on: August 10, 2013, 12:35:16 pm »
There seems to be a bunch of different ways that OEMs quote Max RPMs.

E.G. Husqvarna quotes 2.5K idle, Max power 9K, Max RPMs 12.5K for a 55 saw.

My original manual that came with the saw indicated that these numbers were @ 'no load'. However Husqvarna does not further clarify this statement. This is where the confusion comes in. No load could mean out of the cut but pulling the B/C or without cutting equipment.

On some other saws Stihl and Dolmar the same sort of obfuscation is used.

What are your thoughts?

"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

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1743-1826

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Offline RoyM

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Re: Husqvarna and other OEMs
« Reply #1 on: August 10, 2013, 01:13:34 pm »
That saw develops max power at 9kK so that is where it should run under load. The max speed no load, that is out of the cut but with bar and chain attached, is 12K. It can be run at that speed for a brief time to check with a tach but don't pin it for more than a few seconds. And don't do it with the sprocket cover off in case the screw on clutch decides to part company. Don't ask how I know. ::)
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Offline Cut4fun .

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Re: Husqvarna and other OEMs
« Reply #2 on: August 10, 2013, 02:42:23 pm »
Yep that is how I read them If they say 9K  that is under load in cut.

12.5K is a no load out of cut with bar and chain on.
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Offline SawTroll

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Re: Husqvarna and other OEMs
« Reply #3 on: August 10, 2013, 02:53:57 pm »
Nothing odd or mystical with this - it is the normal way to do it!   ;D

 

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