OS Twin plug head

[GW]

The reply from Mintor manufacture regarding my interest in fitting a dual plug head to an OS140 rx:
Maybe Tony at Radio South or someone else can check on getting these in a bulk shipment and reselling.
Might interfere with their relationship with OS though. Dont know, but maybe possible.
.
I have not done the dollar conversion for this today, but I expect it will be worth the money if you are having difficulty with an OS, or simply want a lower RPM available to you.

Thought a few of you might want to see this so here it is
Later
GW


:
Dear Mr. Williams

The 3M 140 head is compatible with OS head.
You can order it directly to me, its price is 60 EUR including all 
transports charges.
For the payment you can send me an international transfer bank before the 
shipping. If you are interest I will send you the bank reference. The 
shipping time with air post is about a week. I will send you immediately the 
head when I will receive the payment.
For others information please write me or visit our web site www.mintor3m.it

Best Regards

Seguini Antonio
ITALY





  ----- Original Message ----- 
  From: Daniel Dupont 
  To: discussion at nsrca.org 
  Sent: Tuesday, September 17, 2002 8:03 PM
  Subject: Re: OS Twin plug head


  I have three of the 3 mintors head on my YS 140 RX, it does lower the idle and make them smoother, the link is http://www.mintor3m.it/Index.htm  just send him an e-mail.

  There is actually two Japanese dual plug that I know of none from OS to my knowledge, the link is www.hobbynet.com  I used a translator available on the web (free) Bellwood is the company producing them they seem to do high end product out of aluminium and carbon fiber, the head number are 150142 for the green one and the is one larger non anodized number 150141, for the green one there is also the option for a additional piece (call sub head sink)that can be bolted in the center. green 13000 yen (with sub) and the other one is 9800 yen......I don't have either of these two.

  Daniel D.


    Mike, 
    How does one purchase either of these heads? 

    --Lance 

    Hi all, 

     The green Japanese twin plug head is a bolt on option that even has another heat sink piece. Didn't have too much luck with the extra piece, the engine was hard to warm up and would sometimes die before take off. Removing the second piece solved that. The idle was incredibly low at around 1300, and transition was the smoothest of any OS I have seen yet. This particular engine also used an exhaust valve on the stinger, and in conjunction with the head, made for the smoothest OS I have seen to date. 

     it's worth noting that the green japanese head is bigger, and is hell on chin cowls with hyde mounts =P 

     The 3M purple head from Italy is also supposedly the same bolt pattern as the OS, although I haven't had any personal experience with these. If it works the same as the green one from Japan, this could be a good investment. 

     I understand the 3M Mintor engine it was made for is a real work of art, and I may try to obtain one of these myself soon. 

     -Mike Hester 
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