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Is HS-6A's carburettor replacedcarburettor

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maggieannya

Joined: 11 Nov 2008
Posts: 10

Posted: Thu Feb 19, 2009 1:50 am Post subject: Is HS-6A's carburettor replacedcarburettor

Dear everyone,



Pls help to confirm. the HS-6A' carburettor , It can be used for  M-14p engine's  ? 



Thank you very much.

Maggie

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_________________
This is Maggie from Xi'an ATO Electronics.
We are Chinese aircraft parts trader in China

dsavarese0812(at)bellsout
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Posted: Thu Feb 19, 2009 4:33 am Post subject: Is HS-6A's carburettor replacedcarburettor

No.

  

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dougsappllc(at)gmail.com
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Posted: Thu Feb 19, 2009 6:21 am Post subject: Is HS-6A's carburettor replacedcarburettor

No, the HS6A carb is NOT the correct carb to be used on the M14P engine.

  

 Doug

 On Thu, Feb 19, 2009 at 1:50 AM, maggieannya <annya_2008(at)yahoo.com.cn (annya_2008(at)yahoo.com.cn)> wrote:

  	  Quote: 	
		  --> Yak-List message posted by: "maggieannya" <annya_2008(at)yahoo.com.cn (annya_2008(at)yahoo.com.cn)>

 

Dear everyone,



Pls help to confirm. the HS-6A' carburettor , It can be used for  M-14p engine's  ?



Thank you very much.

Maggie



--------

This is Maggie from Xi'an Li Chuang Electronics.

 We are Nanchang aircraft parts trader in China





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mark.bitterlich(at)navy.m
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Posted: Thu Feb 19, 2009 2:49 pm Post subject: Is HS-6A's carburettor replacedcarburettor

Absolutely NOT. 



Mark Bitterlich

 



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wlannon(at)persona.ca
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Posted: Thu Feb 19, 2009 8:35 pm Post subject: Is HS-6A's carburettor replacedcarburettor

Maggies question was " can the HS6A carburettor be  used in the M4P"

 My answer would have been I don't know.  If  the question was " is the HS6A carb. approved for use on the M14P" my answer  would be hell no.

 We seem to have a number of experts categorically  stating that it is not possible to use the HS6A carb. on the M14P.

 Please explain why. Is the venturi size inadequate?  Or some other feature incompatible?" or????.

 The fact that one has auto mixture and the other  does not is quite irrelevant.

 Have at it guys.

  

 Walt

  

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maggieannya

Joined: 11 Nov 2008
Posts: 10

Posted: Thu Feb 19, 2009 11:41 pm Post subject: Re: Is HS-6A's carburettor replacedcarburettor

Many thanks to your answer.

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This is Maggie from Xi'an ATO Electronics.
We are Chinese aircraft parts trader in China

yakplt(at)yahoo.com
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Posted: Fri Feb 20, 2009 7:11 am Post subject: Is HS-6A's carburettor replacedcarburettor

You're right Walt.  

  

 Any carb can be used on just about any engine you want.  Sometimes even with an increase in horsepower, sometimes with a decrease, but a person can make an engine "run" with just about anything that mixes fuel and air.  I imagine that with enough effort, I could get a Holley Dominator to work on an M-14.  Wouldn't work too well in a negative G environment, but I could make it run.  

  

 That said: 

  

 The HS6A was made and calibrated to be used on a similar engine as the M-14 with a different cam profile, and one that put out significantly less horsepower.  If a person has the proper equipment such as a flow bench, or engine run test facility (such as an engine dyno) and wishes to recalibrate the HS6A carb, it can probably be adapted to run on just about any radial out there.  However, if one were to go to this kind of effort and wanted to step into the field of experimental engine designs (no factory ever mounted an HS6A on an M-14) it might be more advantageous to use a system that offers more potential gain such as a modern fuel injection system that can be much more easily adapted to different engine types.  

  

 A much more accurate statement would have been: "The HS6A is not a direct replacement for the M-14 engine."  And while I do not qualify as a Russian Engine Expert, I will submit that I am an expert on a number of race engine designs with about 30 years experience, and have built and tuned a number of engines for high performance applications.  That said, I would not recommend trying to adapt an HS6A carb to the M-14 unless there is no other choice.  Any carb that is designed to be used on an engine that differs in horsepower by 30% or more is likely to suffer from inadequacies in CFM capacity and will be very difficult to tune successfully. Of course even that can be corrected if a person is willing to mill out the venturi size.  I would recommend Barry Grant Enterprises if a serious effort is contemplated. Of course there is also the matter of  linkage differences and the fact that if installed in an aircraft  already running a standard M-14 it will require modification for the manual mixture control.  

  

 But yes Walt .. it could be done. 

  

 However since the person in question sells aircraft parts, and is not in the experimental engine business, and is more than likely not asking this question for his or her own use,  I suspect it might be wise to keep the answer to this person simple, so that he or she does not end up selling an HS6A to an unsuspecting person who thinks it will be a form fit replacement in an M-14 application.   

  

 Regarding what your answer would have been you said: 

 If the question was " is the HS6A carb. approved for use on the M14P" my answer would be hell no.

  

 And your answer would have been incomplete and incorrect.  Nothing on the M-14 in the United States has to be "approved for use" on an aircraft that is in the Experimental Catagory.  That's why fuel is not an issue either.  You can burn propane if you want to.  However, in most other countries other than the United States, the whole aircraft has to keep to the the original parts specified in the aircraft manuals, so in those countries "NO" would be a simple and accurate answer.   

  

 So I guess my answer chould have been: "WELL IT DEPENDS".    

  

 However since the person asking the question was satisfied with the answers given, I submit that the whole issue is moot.  Unless you are planning on putting an HS6A onto an M-14 that is.

  

 Best Regards, 

  

 Mark Bitterlich 

  

 

   From: Walter Lannon <wlannon(at)persona.ca>

To: yak-list(at)matronics.com

Sent: Thursday, February 19, 2009 11:27:50 PM

Subject: Re: Is HS-6A's carburettor replacedcarburettor



   Maggies question was " can the HS6A carburettor be used in the M4P"

 My answer would have been I don't know.  If the question was " is the HS6A carb. approved for use on the M14P" my answer would be hell no.

 We seem to have a number of experts categorically stating that it is not possible to use the HS6A carb. on the M14P.

 Please explain why. Is the venturi size inadequate? Or some other feature incompatible?" or????.

 The fact that one has auto mixture and the other does not is quite irrelevant.

 Have at it guys.

  

 Walt

  

 [quote] ---

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