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CFM rating of the AK-50 compressor?

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mikspin

Joined: 12 Aug 2007
Posts: 66

Posted: Fri Jan 16, 2009 12:40 am Post subject: CFM rating of the AK-50 compressor?

Just like it says folks; whoever knows it please post it.



TIA



Mike Hastings

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dougsappllc(at)gmail.com
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Posted: Fri Jan 16, 2009 10:35 am Post subject: CFM rating of the AK-50 compressor?

Page 107 CJ6 tec/spec manual states "The dbl stage KY-2A air compressor has the capicity to fully charge the bottle of 8 liters in 22 minutes"

  

 Page 34 of the M462RF engine (AK-50M compressor) manual states " Time of charging a 12 liter steel cly to pressure of 50 kg per sq cm at compressor speed 1800 rpm is max 26 minutes.

  

 Rather compressor RPM is the same as engine RPM I do not know.  Difference between AK-50 and AK-50M is also unknown.

  

 Hope this helps,

  

 Always Yakin,

 doug

 On Fri, Jan 16, 2009 at 12:40 AM, mikspin <acromike(at)gmail.com (acromike(at)gmail.com)> wrote:

  	  Quote: 	
		  --> Yak-List message posted by: "mikspin" <acromike(at)gmail.com (acromike(at)gmail.com)>

 

Just like it says folks; whoever knows it please post it.



TIA



Mike Hastings





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http://forums.matronics.com/viewtopic.php?p=225045#225045

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Always Yakin,

Doug Sapp

Phone 509-826-4610

Fax 509-826-3644

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dsavarese0812(at)bellsout
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Posted: Sat Jan 17, 2009 6:58 am Post subject: CFM rating of the AK-50 compressor?

The M14 manual indicates and AK-50A model compressor.   And from the M14P maintenance manual, "Time of filling bottle, 8 liters in  capacity to operating pressure (compressor delivery at eccentric speed of 1450  r/min) - 30 minutes.  The minimum compressor rotation speed is stated as  1450 rpm and the maximum rotation speed is 2655 rpm for 1 minute, 2610 for 10  minutes and max continuous is 2300 RPM.   The gear ratio for the  compressor is .9 to crankshaft speed.  For comparison purposes the gearbox  ratio is .658 to crankshaft speed which is as we all know, the prop rotation  ratio to crankshaft.

 Dennis  

 [quote]   ---

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mikspin

Joined: 12 Aug 2007
Posts: 66

Posted: Sat Jan 17, 2009 6:21 pm Post subject: Re: CFM rating of the AK-50 compressor?

Thanks guys,



So, has anyone managed to convert this to a CFM (Cubic Feet per Minute) value?  



CFM ratings are usually given at a constant psi, not a gradient as I found in the manuals of both the Yak and the CJ and Doug and Dennis were so nice to reproduce.



Lemme know,



Mike

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