REFLECTOR: engine cooling

[Scott Derrick]

I never noticed any appreciable difference , spinner or no..

I'd put the plenum on.

Scott

Douglas Holub wrote:
> I've been flying without a spinner, mostly so I could keep an eye on
> things, but also because I'm not convinced the spinner helps that much
> on a pusher.  I plan on  checking top end speed with and without the
> spinner. (I've got one of those Klaus Sevier pointy spinners.)
>  
> But my cylinder temperatures and oil temperature are high and I want
> to bring them down before I do much testing. Does anybody think that
> adding the spinner will improve cooling airflow in the cowl? I have a
> 2-blade fixed pitch prop.
>  
> I built an aluminum baffle fence around the top of my IOX-360 and have
> the two big NACA scoops on the top of fuselage. I know the factory
> plenum works well; I built the baffles so that I would be able to see
> the electronic ignition coils and fuel injection on top of the engine
> when I removed the cowl. Now I would gladly trade that benefit for a
> cooler engine, but before I rip it all out and install the plenum I
> was wondering if maybe I should stick the spinner on first and see if
> it helps.
>  
> Doug Holub
> Standard FG
> ------------------------------------------------------------------------
>
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 260 bytes
Desc: OpenPGP digital signature
Url : http://www.tvbf.org/mailman/private/reflector/attachments/20090223/4d0b01bd/attachment.pgp