[NSRCA-discussion] cost of electric - now engine choice

[Wayne Galligan]

Kelly,

I have been running the OS 1.40 for 5 yrs now and it is a great motor.  I
use the Aeroslave (about $170) pipe and a Karl Mueller header($45) and set
the pipe at 26" from the center of the plug to the baffle and run 15% Cool
Power. An OS "F" or YS four stroke plug works well.  The baffle is about
12.5 inches from the end of the pipe.  The Aeroslave pipe has been a great
pipe for this motor. It produces great power and torque and is very quite
and best of all very light at less then 3 oz.  The Karl Mueller header is
hard to beat and is a work of art. I have never broken one yet. His header
is machined so well you need no gasket at the exhaust outlet.  Karl can
custom bend one(rise) for your particular application.  Support the pipe at
about 4" from the stinger and your set.  I use  Dave Brown soft mount and
secure it with a tie wrap.
This engine is very reliable and predictable as far as when the bearing
needs changing.  It will start to load up in midrange and then probably
stall when spooling up the rpms.  One other way to determine if bearing is
getting bad is move the prop at the tips and feel for any movement.  A good
bearing will be tight and when worn will display some movement at the tips.
I use Bearings limited brand ($3.50 each) and leave the seals in them when I
change them out. I run the engine dry after each run and don't use after run
oil. Use a pliable gasket seal at the carb seat in addition to the o-ring to
prevent any air leaks to help keep it reliable.
You can run 17x12 APC, 17x13 APC, 18.1x10.1 APCW, 15.75x10 3b APC( Dave
Lockhart repitched) and I have also used a 19x10 c.fiber Mejlik with good
results.  The setup will handle all of these. Which one works best for you
depends on your style of flying and the speed envelope you plane presents
best at.
Hope this helps.

Smooth FLying...
Wayne Galligan
email if you have any questions or want photo's.
wgalligan at texasairnet.com




----- Original Message ----- 
From: "Kelly Regan" <kelly.regan2 at verizon.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Thursday, September 21, 2006 9:32 PM
Subject: Re: [NSRCA-discussion] cost of electric - now engine choice


> Thank you again everyone,
>
> I have a few more questions about the 140 RX...
>
> What is the part number for the Macs header that will work
> with the Brio?  What about the OS header?
>
> Pipes,  I was confusing the ES Composites and the Aeroslave composite
> pipes....   is 2C140L9 the correct pipe to fit the Brio from ES?
> What about the pipe from Aeroslave? what about the pipe from OS?
>
> Pipe mounts,  what should I be looking for?
>
> Besides central hobbies, any other place I should be looking for a
> good price on the 140RX, headers, or pipes?
>
> Keith,
> I am assuming you are KeithB on RCU, if so I have read your entire
> thread on building the Brio a couple of times...  After seeing you
> pictures and how you had to relocate the wing tubes I started
> measuring...
>
> Everything on the plane I purchased is really close, I even set up a
> transit and looked things over.
>
> -- 
> Kelly Regan
> Visit the Georgetown Branch: http://mysite.verizon.net/vze6uror/
> Freestate Aeromodelers: http://www.freestateaeromodelers.org/
>
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>