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PN this part ???? EA 81 NSI PSRU

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ihab.awad(at)gmail.com
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Posted: Fri Sep 28, 2012 9:27 am Post subject: PN this part ???? EA 81 NSI PSRU

One more thing --



I suspect the part you showed us fits into a pair of races -- sort of like a ball bearing; an inner and outer ring. And I suspect these rings are made by the manufacturer also, not by NSI. It would help in identifying the part if you sent a picture and dimensions of these rings too.

 



Hoping you have a safe and speedy return to flight,

Ihab

-- 

Ihab A.B. Awad, Palo Alto, CA

 

  [quote][b]

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lenabeto(at)uol.com.br
Guest

Posted: Sat Sep 29, 2012 1:04 pm Post subject: PN this part ???? EA 81 NSI PSRU

Thank for all.

Ihao, I will try on the AirSoob, There is the correct local to help me.

Thank Larry!!



Beto

Airfox



CH XLb 601 Jab 3300 PU ZOD Plan

CH 701 Jab 2200 PU ZOD Plan

CH 801 IO 360   PP ZOD KIT

RV 10 IO 540    PP ZOT KIT



Atibaia - Sp.



Brasil.



Time: 09:20:30 AM PST US

Subject: Re: PN this part ???? EA 81 NSI PSRU

From: ihab.awad(at)gmail.com



On Fri, Sep 28, 2012 at 5:38 AM, Roberto Brito <lenabeto(at)uol.com.br> wrote:



 	  Quote: 	
		   I will use this part in an EA 81 NSI PSRU. (Zodiac CHD 601)




	


This looks like an overrunning clutch. It allows the propeller to be driven

by the engine but, if the prop tries to go faster than the engine, it

"freewheels" and leaves the engine behind, so to speak. See the following

where it seems some folks are heatedly discussing what it should be called

(Internet flamewars contributing actual information, what a concept...):



  http://groups.yahoo.com/group/AirSoob/message/32856



I would recommend you contact manufacturers of overrunning clutches,

sending your pictures and measurements, and see if they can point you to a

specific model number. I would seriously doubt that NSI manufactured this

part from scratch; there are too many existing standard parts that do the

job and machining the little sprags and hardening them properly themselves

would be uneconomical. Why not send all the information you can find to

these folks:



  http://www.formsprag.com/



They claim to serve the aerospace industry, so I think they might be a good

start.



Good luck!



Ihab



-- 

Ihab A.B. Awad, Palo Alto, CA

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