Re: [EVDL] Fans Up or Down?

2013-07-10 Thread Zeke Yewdall
e home in the evening. > If I ever reverse the fans, I will measure again. > > Mike > > > -Original Message- > > From: ev-boun...@lists.evdl.org [mailto:ev-boun...@lists.evdl.org] On > > Behalf Of Lee Hart > > Sent: Monday, July 08, 2013 5:38 PM > > To: Elect

Re: [EVDL] Fans Up or Down?

2013-07-10 Thread Mike Nickerson
-Original Message- > From: ev-boun...@lists.evdl.org [mailto:ev-boun...@lists.evdl.org] On > Behalf Of Lee Hart > Sent: Monday, July 08, 2013 5:38 PM > To: Electric Vehicle Discussion List > Subject: Re: [EVDL] Fans Up or Down? > > Mike Scott wrote: > > Is the possib

Re: [EVDL] Fans Up or Down?

2013-07-08 Thread Lee Hart
Mike Scott wrote: Is the possible entry of water a problem? I've always though that the gap between the impeller and the frame should be on the bottom so that water could not fill the airspace in the fan motor. If the mounting location is such that it may get wet, then you really should be usi

Re: [EVDL] Fans Up or Down?

2013-07-08 Thread Mike Scott
ng< air thru a water > filter and then pressurizing the enclosure. Worked amazingly well. Dach. > > > > > From: Roland Wiench > To: Electric Vehicle Discussion List > Sent: Monday, July 8, 2013 8:05 AM > Subject: Re: [EVDL] Fans Up or D

Re: [EVDL] Fans Up or Down?

2013-07-08 Thread Dach Savage
cussion List<mailto:ev@lists.evdl.org>   Sent: Sunday, July 07, 2013 11:43 PM   Subject: [EVDL] Fans Up or Down?   I just installed two fans on my Kelly KDHD controller.  After installing   them, I realized I had installed them so they were blowing up ( drawing warm   air from the top of the controlle

Re: [EVDL] Fans Up or Down?

2013-07-08 Thread Roland Wiench
> Sent: Sunday, July 07, 2013 11:43 PM Subject: [EVDL] Fans Up or Down? I just installed two fans on my Kelly KDHD controller. After installing them, I realized I had installed them so they were blowing up ( drawing warm air from the top of the controller and pushing it towards the h

Re: [EVDL] Fans Up or Down?

2013-07-08 Thread Lee Hart
Mike Nickerson wrote: Any opinions whether the cooling would be more effective with the flow reversed? This is a classic example where testing trumps theory. All the things you said about convection, the hood being hot, etc. are true. But they may be "feathers on the scale" that have an ins

[EVDL] Fans Up or Down?

2013-07-07 Thread Mike Nickerson
I just installed two fans on my Kelly KDHD controller. After installing them, I realized I had installed them so they were blowing up ( drawing warm air from the top of the controller and pushing it towards the hood). After noticing that, I realized that I could have reversed the fans to draw air