Today's Message Index:
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1. 12:16 AM - Re: snorkel for alternator cooling (John Ciolino)
2. 12:55 AM - Re: snorkel for alternator cooling (Chris Hand)
3. 06:45 AM - Re: Mooney Alternator woes (Robert L. Nuckolls, III)
4. 06:51 AM - Re: snorkel for alternator cooling (John Morgensen)
5. 08:48 AM - Re: snorkel for alternator cooling (jonlaury)
6. 09:59 AM - snorkel for alternator cooling (Janet Amtmann)
7. 02:41 PM - Stripping large wires... (Michael Burbidge)
8. 08:26 PM - Re: (Dennis Roche)
9. 08:33 PM - Re: Stripping large wires... (Robert L. Nuckolls, III)
Message 1
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Subject: | snorkel for alternator cooling |
Here's what I did: ACS sells a 1" aluminum flange (p/n 10350-4). Drill a
1" hole in the inlet ramp and rivet the flange in place.
If you are good at bending aluminum tubing also order some 1" tubing and you
are all set.
I tried that and couldn't get the tubing bent without kinking so I used some
1" SCAT tubing. To keep the tubing in place I took a strip of flat aluminum,
bent it to direct the tubing to the alternator and attached it to the flange
with a hose clamp. I attached the tubing to the aluminum with tie wraps.
Good luck.
John Ciolino
RV-8
N894Y
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Janet
Amtmann
Sent: Friday, August 17, 2012 2:25 PM
Subject: AeroElectric-List: snorkel for alternator cooling
Hello all,
This is only marginally electric, but I need information. My RV6 has no
alternator cooling other than the (reverse rotation) internal cooling fan.
I'd like to install a snorkel to capture some cooling air at the air inlet
ramp and lead it (tru a hose) to the rear of the alternator. Does anyone
know of a source for these little alum. snorkels? I have no means to weld,
braze or solder alum. I guess that I could make one out of an old tin can,
but that's kind of tacky.
Regards, Jurgen Amtmann
<jgamtmann2@gmail.com>
Message 2
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Subject: | Re: snorkel for alternator cooling |
I used the corrugated tubing from Vans for alternator cooling on my -6A and it
works fine. Feeds from inlet ramp on that side down to alternator and haven't
had a problem with it, flying about 4 years / 310 hours or so. The tube grooves
and a little rtv have held it in place without issue. Light, easy, and inexpensive.
Chris
On Aug 17, 2012, at 7:42 PM, Kelly McMullen <kellym@aviating.com> wrote:
>
> I wouldn't recommend it. It is nylon material IIRC. OK but not great for warm
temps under cowling.
> Scat tube would be the aviation product of choice.
>
> On 8/17/2012 7:24 PM, mark donahue wrote:
>>
>> can you use the flexible 5/8 in corragated plastic material that we are using
to direct air to our magnetos and alternators on the RV 9? Van sells it.
>>
>> Mark Donahue
>>
>> *From:*owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] *On Behalf Of *F. Tim Yoder
>> *Sent:* Friday, August 17, 2012 6:04 PM
>> *To:* aeroelectric-list@matronics.com
>> *Subject:* Re: AeroElectric-List: snorkel for alternator cooling
>>
>>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
>
>
>
>
>
Message 3
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Subject: | Re: Mooney Alternator woes |
At 05:58 PM 8/17/2012, you wrote:
>
>
>>>Will my B&C LR3C-14 regulator properly control the Continental's
>>>alternator? I can easily set this up for a ground-run test....
>>
>> Yes
>Just wonder, Ralph you've told, that your B&C is from a RV-6? That
>would probably be a 14V system where the Mooney has a 28V System,
>just carefully check.
Excellent catch Werner! I didn't perceived he was talking
about an LR3C-14, of course he would need the -28. Thanks!
Bob . . .
Message 4
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Subject: | Re: snorkel for alternator cooling |
I found a grey PVC conduit 90 degree fitting with a 4" radius at the
Home Depot aviation electronics department. Also, look around your
favorite auto parts store for a pre-shaped radiator hose.
john
On 8/17/2012 7:42 PM, Kelly McMullen wrote:
> <kellym@aviating.com>
>
> I wouldn't recommend it. It is nylon material IIRC. OK but not great
> for warm temps under cowling.
> Scat tube would be the aviation product of choice.
>
> On 8/17/2012 7:24 PM, mark donahue wrote:
>>
>> can you use the flexible 5/8 in corragated plastic material that we
>> are using to direct air to our magnetos and alternators on the RV 9?
>> Van sells it.
>>
>> Mark Donahue
>>
>> *From:*owner-aeroelectric-list-server@matronics.com
>> [mailto:owner-aeroelectric-list-server@matronics.com] *On Behalf Of
>> *F. Tim Yoder
>> *Sent:* Friday, August 17, 2012 6:04 PM
>> *To:* aeroelectric-list@matronics.com
>> *Subject:* Re: AeroElectric-List: snorkel for alternator cooling
>>
>>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
>
>
Message 5
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Subject: | Re: snorkel for alternator cooling |
Jurgen,
I've attached a photo of a possible solution. I had the same concerns as you because
I have a plenum capturing all the cooling ram air and directing it through
the cylinders. My engine installation is battery/electrical system dependent
(fuel pumps, EFI & ignition) so I wanted a little insurance for my reversed-fan
alternator.
I fabricated the alternator diode plate plenum in the picture from fiberglass and
vinyl-ester resin. The resin will withstand 220 deg before going plastic. Epoxy
resin systems will also work. Just check to see that the transition temp
meets your needs.
You can use the stamped cooling shroud as a mold for your part.
Connect to ram air source with SCAT tube size of your choice. I used 3/4".
Good luck,
John
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=381152#381152
Attachments:
http://forums.matronics.com//files/franklin_alternator_001_large_129.jpg
Message 6
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Subject: | snorkel for alternator cooling |
Thanks to everyone who replied.
Bob N. Thanks for your explanation. No, nothing special about my
alternator installation, N-D in the standard position for a Lyc. I was
only concerned because someone who had done the cooling duct on an RV6 was
concerned because I had none. I thought better safe than sorry.
Do not archive
Message 7
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Subject: | Stripping large wires... |
I have one of the quality wire strippers from B&C, but it only strips up to 16
awg wire. How do you strip larger wire. For example, I need to strip some 8 awg
wire for my power runs. Is 8 awg stranded wire bigger around than 8 awg solid
wire?
Thanks,
Michael-
Message 8
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Message 9
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Subject: | Re: Stripping large wires... |
At 04:40 PM 8/18/2012, you wrote:
>
>I have one of the quality wire strippers from B&C, but it only
>strips up to 16 awg wire. How do you strip larger wire. For example,
>I need to strip some 8 awg wire for my power runs. Is 8 awg stranded
>wire bigger around than 8 awg solid wire?
I don't have tools for stripping anything larger
than 14AWG. All the big stuff I just score carefully
with the ol' Swiss Army Knife and use a pair of diagonal
cutters to pull of the discard. Do a few practice strips
to get the hang of it.
Bob . . .
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