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Engine Swap
12-16-2008, 16:32
Post: #23
Engine Swap
I totaly agree don


but i dont have room for a side rad--so I have to run it in the rear
of the coach. We will build a tight fan shroud and see the results.

going to give it a shot....

thanks!

--- In WanderlodgeForum@yahoogroups.com, "Don Bradner"
wrote:
>
> I'm not sure if that last question mark means you want me to explain
why I said it is likely that the assumption is wrong, or something else.
>
> Assuming the former, my basis is empirical - it can easily be shown
that a typical pusher with side-mounted radiator will quickly overheat
if there is not a very large booster fan to suck lots of air in. Any
natural flow is way too weak. In my case, just going down a flat road
with the fan idling at 600RPM I see about 1 degree of temperature rise
per 5 seconds until the fan kicks into high speed.
>
> On 12/17/2008 at 4:14 AM rwoodysurplus wrote:
>
> >yes sir..
> >
> >we gotta try it for fun!
> >
> >never say never they tell me!
> >
> >too easy to change if we are wrong.
> >
> >Thanks! for putting the thinking cap on to show me the reason why?
> >
> >--- In WanderlodgeForum@yahoogroups.com, "Don Bradner"
> > wrote:
> >>
> >> On 12/17/2008 at 3:32 AM rwoodysurplus wrote:
> >>
> >> >yes you are right--GOOD CATCH~!
> >> >
> >> >going to try that ...pushers suck air from the side
> >> >
> >> >why not the rear????
> >>
> >> Question: "why not the rear????"
> >>
> >> based on assumption: "pushers suck air from the side"
> >>
> >> Have you considered the (likely) possibility that the assumption is
> >wrong? At least in terms of meaningful airflow?
> >>
> >> What would that do to your question?
> >>
> >> Don Bradner
> >> 90 PT40 "Blue Thunder"
> >> Posting today by aircard from Needles, California
> >> My location: http://www.bbirdmaps.com/user2.cfm?user=1
> >>
> >
> >
> >
> >------------------------------------
> >
> >Yahoo! Groups Links
> >
> >
> >
>
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Messages In This Thread
Engine Swap - krminyl@... - 07-05-2006, 11:13
Engine Swap - jwasnewski - 07-05-2006, 14:09
Engine Swap - Leroy Eckert - 07-06-2006, 01:38
Engine Swap - ronmarabito2002 - 07-06-2006, 12:22
Engine Swap - Leroy Eckert - 07-06-2006, 15:14
Engine Swap - Rob Robinson - 07-06-2006, 16:20
Engine Swap - ronmarabito2002 - 07-07-2006, 13:11
Engine Swap - susanmarycamilleri - 01-08-2008, 14:23
Engine Swap - Gardner Yeaw - 01-08-2008, 14:38
Engine Swap - susanmarycamilleri - 01-08-2008, 14:51
Engine Swap - Mike Hohnstein - 01-08-2008, 15:59
Engine Swap - Curt Sprenger - 01-08-2008, 16:24
Engine Swap - Mike Hohnstein - 01-08-2008, 17:31
Engine Swap - Ernest Ekberg - 12-15-2008, 01:05
Engine Swap - Henry Jay Hannigan - 12-15-2008, 08:23
Engine Swap - Richard Gideon - 12-15-2008, 10:18
Engine Swap - rwoodysurplus - 12-16-2008, 14:03
Engine Swap - Chuck Wheeler - 12-16-2008, 14:56
Engine Swap - rwoodysurplus - 12-16-2008, 15:32
Engine Swap - Don Bradner - 12-16-2008, 16:08
Engine Swap - rwoodysurplus - 12-16-2008, 16:14
Engine Swap - Don Bradner - 12-16-2008, 16:28
Engine Swap - rwoodysurplus - 12-16-2008 16:32
Engine Swap - timvasqz - 12-16-2008, 17:19
Engine Swap - birdshill123 - 12-17-2008, 03:33
Engine Swap - Don Bradner - 12-17-2008, 03:52
Engine Swap - Rob Robinson - 12-17-2008, 05:31
Engine Swap - Michael Day - 12-17-2008, 09:49
Engine Swap - Gardner Yeaw - 12-17-2008, 10:54
Engine Swap - timvasqz - 12-17-2008, 11:19
Engine Swap - birdshill123 - 12-17-2008, 14:45



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