Some thing for ES design and NMP working together?

[ray ayestaran]

Not at all, file the notches just to the alum insert
----- Original Message ----- 
From: "Ihncheol Park" <PatternFlyer at sbcglobal.net>
To: <discussion at nsrca.org>
Sent: Monday, November 22, 2004 12:24 PM
Subject: RE: Some thing for ES design and NMP working together?


> Hi, Ray,
>
> Thank you for reply,
> Well, Isn't the Hatori clamps a type of constant clamps?
> Having notches sounds good, but isn't it going to make the pipe a little
> weaker at the spots where the notches are located?
>
> Ihncheol Park
>
>
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of ray ayestaran
> Sent: Monday, November 22, 2004 8:26 AM
> To: NSRCA
> Cc: Edward Skorepa
> Subject: Re: Some thing for ES design and NMP working together?
>
>
> 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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