Engine Bearing Air Scoops

[Bob Pastorello]

This is all SUPER info, guys!!  Thanks for all the responses....guess a call
to Maureen is in order....don't want to overheat my Italian redhead....

Bob Pastorello, Oklahoma
NSRCA 199, IMAC 1320, AMA 46373
rcaerobob at cox.net
www.rcaerobats.net


----- Original Message ----- 
From: <patterndude at attbi.com>
To: <discussion at nsrca.org>
Sent: Monday, June 23, 2003 5:51 PM
Subject: Re: Engine Bearing Air Scoops


> Randy,
> Be careful of your info.  That may appear true in cooler areas, but in
TExas
> the WEbras can't be idled long on the ground or they will over heat and
die.
> Then it takes a long time for them to cool enough to run them.  It is
common
> for owners to keep the engine at mid throttle while walking it out to the
> runway just to keep it cool before takeoff.  THis is not necesarily a
major
> problem as long as you deal with it.
>
> --Lance
> > In talking to some of the other Webra users, the Webra really does not
> > need any extra cooling.  With the large AL head, it tends to run cool.
> > If fact many Webra user have to reduce the air flow in the winter as
> > the engine runs so cool it has problems keeping the glow light at idle.
> >
> > The OSs may be different.
> >
> > Randy
> >
> >
> >
> > ----- Original Message -----
> > From: John Gausby <humptybumpty at earthlink.net>
> > Date: Sunday, June 22, 2003 4:26 pm
> > Subject: Re: Engine Bearing Air Scoops
> >
> > > Bob....I was helping a good friend today getting the needles set
> > > on his new Webra 145 installed in a new Temptation.
> > >
> > > Turns out that the builder (which happens to be the designer also)
> > > was closing off the air inlets on the cheek scoops. I understand
> > > that their experimenting with crankcase cooling was more trouble
> > > than it was worth. The engine ran cooler with the holes plugged up.
> > >
> > > I personally don't see the advantage other than "hey...that's
> > > really cool looking"....no pun intended.
> > >
> > > Our exhaust systems hidden beneth the belly pans would probably be
> > > alot cooler if the engine and pipe compartment were designed by an
> > > airflow expert. The air tends to turbulate with almost everything
> > > it hits and then leaks out rather than flowing out.
> > >
> > > I found out on the heli's that most of the engine cooling shrouds
> > > needed to be modified to cool properly in hot weather.....so the
> > > heli manufacturers don't have air ducting right either (and that
> > > includes the $3000 superduper jobs)....go figure............John G.
> > >
> > >
> > >
> > > Original message attached.
> > >
> >
> > =====================================
> > # To be removed from this list, send a message to
> > # discussion-request at nsrca.org
> > # and put leave discussion on the first line of the body.
> > #
> >
> =====================================
> # To be removed from this list, send a message to
> # discussion-request at nsrca.org
> # and put leave discussion on the first line of the body.
> #
>

=====================================
# To be removed from this list, send a message to 
# discussion-request at nsrca.org
# and put leave discussion on the first line of the body.
#