O.S. pattern motors

[Ed Alt]

John:
If you can find one, the 1.40 will be a little lighter than the 1.60 and
will require less re-trimming on that Focus.  It's fairly close to the
weight of the Webra that is coming out of it.  It will still work great with
a 1.60 if that's what you choose though.  The battery will move to the aft
cabin and it will need about 1/2 to 3/4 oz of lead under the tail. In either
case, the airplane will make the 11 lb weight limit - there is a little over
8 oz spare to play with right now.

Ed
----- Original Message ----- 
From: "Wayne Galligan" <wgalligan at goodsonacura.com>
To: <discussion at nsrca.org>
Sent: Thursday, September 09, 2004 8:32 AM
Subject: Re: O.S. pattern motors


> John,
>
> The OS 1.40 is about as reliable and predictable of an engine as you can
get
> in a pumped 2C engine.  The 1.60 has more power of course but needs a pump
> or fuel tank close to the fire wall.  I know several in our area that have
> made the 1.60 work real good for them and cost will be less.  When you do
> replace the bearing leave the seals in the bearing and get the F.I.
version
> S.Steel if you can.  I got 125 flights out of the original bearing then
put
> a std bearing in with out seals and it only lasted 30 flights(go figure).
> Same bearing with the seals in and now over 150 flights.
>
> On the 1.40 I have run the 17x12reg APC 17x13 and a 16x11 3-blade all with
> good results with 15% fuel.   I think the 17x10n is way under propped
> depending on the pipe setup.  With the right pipe setup it produces a
bunch
> of power.
>
> Wayne Galligan
>
> ----- Original Message ----- 
> From: "John Pavlick" <jpavlick at idseng.com>
> To: <discussion at nsrca.org>
> Sent: Wednesday, September 08, 2004 10:14 PM
> Subject: O.S. pattern motors
>
>
> > Guys,
> >  I'm looking for some insight into which motor I should use in a new
ship
> > (Focus). I like the O.S. 1.40RX because it's got a rear exhaust, but the
> > 1.60FX looks nice too. If anyone has any experience with either of these
> > motors (props, fuel, pumps, things that wear out, etc.) I'd appreciate
> their
> > input. Either one is a bit of an investment so I want to make sure I'm
> > making the right choice. Also if anyone has used any of the new Hyde
> mounts
> > (with the nose ring attached to the mount) I'd be interested in hearing
> > about that too.
> >
> > John Pavlick
> > http://www.idseng.com
> >
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