tuned pipe for os 91 fx ??

[Ihncheol Park]

Francisco,

91SX-H is rated for 2.9HP compared to 91FX with 2.8.
91SX-H is about 6 mm short in the front and has standard needle valve (no
remote needle valve), longer throttle control lever (not close to the carb.
the lever is about 1 inch out from the carb body).

Explorer is 1700mm x 1700mm. Mine is a fixed gear version that should weigh
around 3600grams.

Ihncheol Park

-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of francisco gonzalez
Sent: Sunday, September 07, 2003 7:42 PM
To: discussion at nsrca.org
Subject: RE: tuned pipe for os 91 fx ??



hi Ihncheol Park

thanks for your help , i see you use 91SX-H this is
different engine of the fx ??? , how large is the
explorer 90 ??
thanks
francisco

On Sun, 7 Sep 2003 17:30:36 -0700, "Ihncheol Park"
wrote:

>
> Francisco,
>
> There are two possible methods.
>
> 1. Side mount the engine and use one of the Macs
> product header.
> 2. Invert mount the engine and use a custom header
from
> Karl Mueller.
>
> Karl Mueller does the best job in custom header.  I
got
> one for my JR Propo
> Explorer V90 to use with 91SX-H.
>
> Once you decided how the engine goes on, you should
> have no problem mounting
> the pipe. (Macs 90 size tuned pipe).
>
> Hope this helps,
>
> Ihncheol Park
>
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of
> francisco gonzalez
> Sent: Sunday, September 07, 2003 9:14 AM
> To: discussion at nsrca.org
> Subject: tuned pipe for os 91 fx ??
>
>
> Hi, I plan to install a tuned pipe for a os max 91 fx
> in the new Quest plane , what is the better way ??
> francisco
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