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Engine basics => Engine set up tips => Topic started by: Motorman on July 03, 2020, 03:00:28 PM

Title: Blue Engines Peal (Please no Brian Gardner Content)
Post by: Motorman on July 03, 2020, 03:00:28 PM

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Title: Re: Blue Engines Peal (Please no Brian Gardner Content)
Post by: Dan McEntee on July 03, 2020, 03:12:29 PM

I have some high time La engines and none have ever shown signs of the liner plating peeling off, and still have very good compression. But then again I dont abuse them by racing them, a use for which they were not designed. It was a cheap, introductory engine intended to be almost disposable. I sincerely doubt that any "better" parts were ever made than what you have already seen.
  Type at you later,
   Dan McEntee

Title: Re: Blue Engines Peal (Please no Brian Gardner Content)
Post by: Jim Svitko on July 03, 2020, 03:23:26 PM

So far, I have had only one liner peel on an LA 46.   It probably was one of the blue ones since this was some time ago.  Any LA 46s I bought since then are silver.  I would not expect the internal parts to be any different unless the manufacturer caught and corrected a defect.

I bought some factory parts.  At least, they were in the factory packaging.  I think they came from some outfit in Hong Kong and I might have found them on Ebay.  The replacement parts are still working but I am not flying anything with an LA 46 that much these days so I can't tell you anything about the longevity of the parts.

Title: Re: Blue Engines Peal (Please no Brian Gardner Content)
Post by: RandySmith on July 03, 2020, 03:56:39 PM

NO  the  color  is not  a hint that the liner is  bad, and  I have  seen  both natural  and  blue  peeled,  and  also both  worn  thru to the  brass.   It is  more  a  function on how  hot  hard  and  long  they were  run.  I  also  have  seen  other  OS engines  with peeled liners, Majority  were  RC engine
The  PS  is  not  that  expensive, and  will  last a  long time  if treated  properly,  So if you get a good deal on it,  repair  if needed  and  have  fun with em. 
You will  be  hard pressed  to get accurate  info on liner  condition  from anyone on  Ebay

Randy

Title: Re: Blue Engines Peal (Please no Brian Gardner Content)
Post by: RandySmith on July 03, 2020, 05:14:50 PM

In addition  if  you just want  the  finish to be  natural  aluminum, you can soak  12 hours  in crockpot, the  use a  stiff  brush to  loosen  the  paint,  or  you can buy  a  cheap  sand blaster, and  use  soda  or  walnut shells,  They are  under  50 dollars

Randy

Title: Re: Blue Engines Peal (Please no Brian Gardner Content)
Post by: RandySmith on July 04, 2020, 04:34:09 PM

There is  a  way to harden the liners, You can heat cycle them for  about  3 hours, at over  400 degrees  and  that will  help them last longer, if you keep the  debris out
 Make  sure  to let them cool slowly
Randy