<VV> Engine compartment heat

[jvhroberts at aol.com]

Methinks everyone is overthinking this. The regulator can take the heat. In operation, it's on the cold side of the engine compartment, unlike the water cooled brethren. Once you fire up the engine, it gets to outdoor temps very quickly. 

The regulator for 10SI's is a thick film hybrid, and can withstand temps of over 300F or more. 


John Roberts



-----Original Message-----
From: Mark Durham <62vair at gmail.com>
To: ricebugg <ricebugg at comcast.net>; virtualvairs <virtualvairs at corvair.org>
Sent: Tue, Apr 10, 2012 1:39 pm
Subject: Re: <VV> Engine compartment heat


James, the regulator is in the engine compartment regardless. being on
he engine will have a different heat signature, but As for me, I'm on
y third year with a high amp internally regulated alternator with the
orrect Corvair fan with no issues. Mark Durham
Sent from my Windows Phone
rom: ricebugg at comcast.net
ent: 4/10/2012 11:04
o: virtualvairs at corvair.org
ubject: <VV> Engine compartment heat
on:  Maybe, but it would be really hard to prove or disprove.
I know my example is probably an extreem case with the turbo and all.
n my experiment, I stopped in a small town after about half an hour,
hut it off and opened the deck lid.  Probably less than a minute, and
t was that hot.  I had marked it up before leaving home.
The question was the affect of heat on the internal regulator.  Which
s a unknown, and the subject of this discussion.  Once the engine is
o longer running, is the internal regulator, which we assume is
ealitively cool when running, immune to he affect of heat sink-ness?
I suspect not.
Like I said, my experiement was/is probably an extreme case, but it
as some value for this discussion about engine compartment heat.  My
ar had the stock external regulator.
Rather than fully open the engine lid at shut down, I make mayself a
mall metal support to leave the lid open after shut down on really
ot days, just to speed up the cooling process and reduce the heat
ink time on the various components, including the now stagnet oil in
nd to the turbo.  And yes, I did remove the support on start up
ecause I knew then and know now driving with it open about a inch or
o would suck hot air into the engine compartment.
Your temperatures may vary
Historically Yours,
James
----- Original Message -----
rom: Ron <ronh at owt.com>
o: ricebugg at comcast.net, virtualvairs at corvair.org
ent: Tue, 10 Apr 2012 04:17:01 -0000 (UTC)
ubject: Re: <VV> Engine compartment heat
BUT, while running and even while climbing mountain grades the engine
ompartment stays cool!  You can always open the engine lid after parking.
onH
----- Original Message -----
rom:
o:
ent: Monday, April 09, 2012 8:34 PM
ubject: Engine compartment heat

 While I'm not sure what the potential contamination is of hogwash, or the
 tempature tolerance of internal regulated alternators, I can offer this
 observation on the engine compartment temp.

 Once upon a time, I had a turbo charged 140. I got curious about how hot
 it got on shutdown.  Since I had access to tempature sticks at work - they
 looked like caryons for 2 yr olds - I borrowed a set one hot Friday in
 July.  It was 94 deg. F on Sat, and I used the sticks liberally in the
 engine compartment.   I saw temps approaching 300 deg F on the sheet metal
 minutes after shut down.  Made me wish I had a Stinger deck lid to let the
 hot air out at shutdowm.

 Skin starts to burn at 126 deg F,   If you cannot touch it for long, it is
 hot enough to burn you pinkies.

 Your temps may vary.

 Historically Yours,
 James Rice

 Message: 4
 Date: Mon, 9 Apr 2012 21:14:31 -0400 (EDT)
 From: N2VZD at aol.com
 Subject: Re: INTERNAL regulated alternators
 To: virtualvairs at corvair.org

 hogwash, I have thousands of miles on several of my own and others with no
 failures. FC's mostly , but on spyders also..
 I am running them on 4 vehicles of my own , and several others I have
 converted around here.
 They are also excellent on farm equipment and  boats.  I feel they are
 very failsafe.

 In a message dated 4/9/2012 8:28:17 P.M. Eastern Daylight Time,
 virtualvairs-request at corvair.org writes:but I've  heard (not experienced)
 that the
 internally regulated ones don't seem to  hold up as well in our hot
 (Corvair) engine compartments.
 Regards, Tim Colson
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