Some thing for ES design and NMP working together?

[ray ayestaran]

crushing of the inlet on es pipe will never happen if you use a constant
tension spring style hose clamp

http://www.pspring.com/constant_new.htm

there are different styles - they are cheap, very light, apply constant
tension - I tried to talk es pipes into providing these with every pipe sale
years ago. also file 2 or 3 notches with a small round file at end of inlet
neck on es pipe -  the teflon will melt into these notches and lock on pipe
keeping it from slipping or rotating.
----- Original Message ----- 
From: "Ihncheol Park" <PatternFlyer at sbcglobal.net>
To: "NSRCA" <discussion at nsrca.org>
Sent: Monday, November 22, 2004 1:23 AM
Subject: Some thing for ES design and NMP working together?


>
> Just thought some people may have use for these.
> Hatori has new header for YS 53/63, OS 70 and 91 4-stroke users (Hatori
does
> not state that the new headers can be used with OS 91 while OS 70 has the
> same thread with OS 91).
> http://www.hatori-models.co.jp/htdocs/data/image/shin.html
> http://www.hatori-models.co.jp  Hatori now has English pages also.
>
> The 643 & 644 looks similar to NMP style and Asano's Direct Joint.
>
> They are the follow-ups for 791/699 and 661/660, header/pipe combos that
> Hatori started following the Asano. (Plug-in header & pipes, end of header
> fits the inlet of the pipe. appears to be at least 3/4").
>
> I know we have Great Header from NMP that is available from Central
Hobbies
> and others.   NMP solved almost all Hatori type header breaking any time
> (Although only for YS 120 & 140s.)
> The ES pipes are also very well known. Solving the weight problem of
> aluminum pipes.
>
> I just wish to see the NMP & ES design working together producing the best
> header & pipe combination. (Hoping to see something for YS 91/110 also.)
>
> If my wish above comes true, I don't have to use those hose clamps with
> Teflon or silicone tubings. Both of my ES pipes have crushed neck near the
> inlets where the clamps were used.  So, I now use a longer silicone tubing
> without clamps.
>
> What do you people think?
>
> Also, Hyde type mounts generally has more rotational movement of the
engine,
> so those using usual Hatori headers have to make sure that the exhaust
setup
> to move forward, backward, left & right.
>
> What happens if two different metals rub each other even when they are
> lubed?
>
> Ihncheol Park
>
>
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>
>

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