Mintor 1.70

[Ihncheol Park]

Measured from my test pipe about 3 months old (used with OS 91SX-H, Karl
Mueller's Wrap around header & Macs 91Fx standard header)that Steve Sterling
saw over the weekend.

The pipe has first baffle at around 14" from inlet.
Total length of pipe from inlet to the back end of carbon not including the
back cover is about 19.5" with the back cover and stinger 21".


Ihncheol Park



-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of Henderson,Eric
Sent: Monday, August 11, 2003 8:23 PM
To: discussion at nsrca.org
Subject: RE: Mintor 1.70


I am a bit confused on the pipe lengths that are being used. I measured my
ES (OS-clone pipe) and the baffle is 13.5 inches from the inlet. The Bolly
pipe that came with my Mintor has the first baffle at 11.25 inches.

With the ES pipe I am at 24.24" from center of head with low rise pipe. What
I was going to do was use the Bolly but elected to use the ES because it had
an integral stinger/diverter.

If I now fit the Bolly I am thinking that I am going to be way-off in pipe
length, Any experience out there with the Bolly and this header on a 1.70
Mintor?

Regards,

Eric.


-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of rcaerobob at cox.net
Sent: Monday, August 11, 2003 11:49 AM
To: discussion at nsrca.org
Subject: Re: Mintor 1.70


HO-LY-COW !  That's a pretty beefy setup, for sure.  10% Nitro?  You're
kiddin', right??

Bob P.
>
> From: "Wayne Galligan" <wgalligan at goodsonacura.com>
> Date: 2003/08/11 Mon AM 11:27:50 EDT
> To: <discussion at nsrca.org>
> Subject: Mintor 1.70
>
> Just a few notes on my initial test and break-in on this engine.  It has
not been installed in my plane as of this writing but I cant wait.
>
> 3M 1.70 stock header
> 10 % Magnum fuel
> Bluebird c.f. 2-stroke pipe  24.25" center of head to 1st baffle.  Total
length of exhaust center of head to end of pipe  31.5"
>
> Test day 98 degrees and about 35%+ humidity
>
> 17x12N APC      high 8500rpm low 1600rpm
> 17x13 std APC   high 8250rpm  low 1500rpm
>
> This is after 5) 16oz tanks of breakin.  I broke it in just like the OS,
alternating rich to lean during first several tanks.
>
> Wayne Galligan
>
>

Bob Pastorello, El Reno, OK, USA
rcaerobob at cox.net
www.rcaerobats.net
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