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CorvairEngines-Nickisil

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John Bolding

Joined: 23 May 2006
Posts: 281

Posted: Sun Jan 09, 2011 9:29 am Post subject: CorvairEngines-Nickisil

Nickisil is pretty proven technology, Porsche has  used it for 20-30?? yrs in the 911.  LOTS of others

  

 Got a buddy that has a 2 cyl VW with  Nickies that he has flown almost wide open for over 600 hrs.

 Don't think anyone has flown a Vair with them yet  but several will.

 They save you 18# and that is a LOT of weight, plus  they are relatively cheap to replate if you ever wear them out or damage  one. 

 Google LN Engineering

  

 Here's a little homework for you if  interested.

  

 [quote]   http://en.wikipedia.org/wiki/Nikasil

    

   LO&SLO

    

    JOHN

    

    

    

    

   ---

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craig(at)craigandjean.com
Guest

Posted: Sun Jan 09, 2011 10:51 am Post subject: CorvairEngines-Nickisil

The Rotax 912 and 914 also use nikasil.  

   

-- Craig  

       

From: owner-corvairengines-list-server(at)matronics.com [mailto:owner-corvairengines-list-server(at)matronics.com] On Behalf Of John Bolding

 Sent: Sunday, January 09, 2011 9:26 AM

 To: corvairengines-list(at)matronics.com

 Subject: Re: Re: CorvairEngines-Nickisil  

  

  

     

Nickisil is pretty proven technology, Porsche has used it for 20-30?? yrs in the 911.  LOTS of others  

    

   

    

Got a buddy that has a 2 cyl VW with Nickies that he has flown almost wide open for over 600 hrs.  

    

Don't think anyone has flown a Vair with them yet but several will.  

    

They save you 18# and that is a LOT of weight, plus they are relatively cheap to replate if you ever wear them out or damage one.   

    

Google LN Engineering  

    

   

    

Here's a little homework for you if interested.  

    

   

  [quote]    

http://en.wikipedia.org/wiki/Nikasil  

    

   

    

LO&SLO  

    

   

    

 JOHN  

    

   

    

   

    

   

    

   

    

----- Original Message -----   

    

From: Timothy Willis (timwillis01(at)gmail.com)   

    

To: corvairengines-list(at)matronics.com (corvairengines-list(at)matronics.com)   

    

Sent: Sunday, January 09, 2011 9:15 AM  

    

Subject: CorvairEngines-List: Re: CorvairEngines-List Digest: 4 Msgs - 01/08/11  

    

   

    



 Not only are some of the items from MM unavailable, I don't like what I see about their coated aluminum cylinders.  Almost all users of aluminum in engine blocks use cast iron inserts.  When cast iron is properly honed, with the scratches running around in circles, they hold a slight film of oil, which both seals and lubricates the cylinder-to-ring contact.  

    

   

    

In contrast, aluminum can gall very easily in such applications, so the user is dependent upon the durability of the coating to prevent this.  I'd want to know a lot about the durability in empirical testing.    

    

   

    

With the fifth bearing, WW's stuff is about as bullet-proof as you can get.  If I were building the ideal, I'd go with WW specs, except for using primary and secondary electronic ignition.  Others have done variants of this and can speak better to these mods.   

    

   

    

Tim in central TX  

    

   

    

<clip>  

    

On Sun, Jan 9, 2011 at 1:55 AM, CorvairEngines-List Digest Server <corvairengines-list(at)matronics.com (corvairengines-list(at)matronics.com)> wrote:  

*

 

  ________________________________  Message 1  _____________________________________

 

 

 Time: 11:35:01 AM PST US

 From: "Steve Dixon" <dix39(at)charter.net (dix39(at)charter.net)>

 Subject: Re: Corvair - where to get one?

 

 I feel I have to respond to this post to clarify, as I understand it,

 the positions Wynne and Magnificent Machine occupy with regard to

 Corvair flight engines.  I attended the Corvair College about a year ago

 held at Magnificent Machine.  I am a long time follower of William Wynne

 who has devoted a very significant part of his life to the development

 of a safe conversion of Corvair engines for use in aircraft.  IMHO,

 anyone planning to convert a Corvair engine for aircraft use should take

 advantage of the testing and research he has done.  His book, "Corvair

 Flight Engines",  contains a wealth of information about Corvair engines

 and how to convert them.  I wholeheartedly agree with all that has been

 said about Magnificent Machine, but they, and others, are only building

 on the decades of work that has been done by William Wynne.

 

 Steve Dixon

  ---

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