Tuned pipe differences 120 4c & 145 Webra 2c

[Tim Seyfarth]

Glenn,

How does the swallow perform with the OS120?  I was actually looking at the
pipe...  not the header. Did you find that the swallow needs tail wweight?
I have not mounted the engine yet so am not quite there.

Thanks
Tim

-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of glenn hatfield
Sent: Thursday, October 24, 2002 7:36 AM
To: discussion at nsrca.org
Subject: Re: Tuned pipe differences 120 4c & 145 Webra 2c


I have both of these engines.  The OS 120 Surpass II that I have has a
side exhast with threaded port. The Webra is a rear exhast with a bolt
on header. I see no way that the same header can be used.

I have my OS120 Surpass II in a Swallow90 also. I am running the stock
OS muffler for this engine. It is quiet enough. Maybe you should try
the stock muffler before you spend money on a pipe.

Randy Hatfield
AMA 453495
NSCRA 2422



----- Original Message -----
From: Tim Seyfarth <TJS at mail.global-electronics.com>
Date: Wednesday, October 23, 2002 10:26 pm
Subject: Tuned pipe differences 120 4c & 145 Webra 2c

> I am returning to pattern with a swallow to start powered by an OS
> 120 4
> cycle which I already have and want to get a pipe for it.
> However, my
> larger plan is to get a Webra 1.45 in the near future for a full blown
> 2meter ship.  Being on a bit of a budget I was hoping I could get
> a pipe
> that would work on either.Is this possible and does anyone have any
> recommendations?  I was pondering a Macs for the price...
>
> Thanks
> Tim
>
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