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04-17-2010, 10:06 AM
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#1
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4 Rivet Member 
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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Tootie, toot. Exaust fan replacement.
I am replacing the 70's original water heater bath cabinet with a custom cabinet. The original exhaust fan is dead and I need suggestions on a replacement that is fairly small and cabinet mounted. Any suggestions? Thanks all! 
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08 
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04-17-2010, 11:58 AM
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#2
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Rivet Master 
1973 27' Overlander
Currently Looking...
Jupiter
, Florida
Join Date: Apr 2006
Posts: 2,062
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The fan in my 73 is underwhelming in performance, I can't imagine what they were thinking! The original resembles a 'Bilge' fan - there are many newer style in-line 12VDC bilge fans on eBay with a 3 and 4 inch round flex duct set-up...
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The days are short and the night is long and the stars go tumbling by.. . ~Airstream~
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04-17-2010, 07:54 PM
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#3
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Site Team
1974 31' Sovereign
Ottawa
, ON
Join Date: May 2008
Posts: 11,219
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Hiya!
I dunno if they are powerful enough, but those "muffin" style computer fans are sure a good price, and most of them are purty quiet too. I wonder if you could use the same cover. I'm assuming it's like mine, a sorta chrome ring with a silvery screen innit.
Unless mebbe you WANT to have a noisy fan in there... 
__________________
“Courage is being scared to death, but saddling up anyway.” ...John Wayne...........................
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04-17-2010, 08:19 PM
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#4
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Rivet Master Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by Wabbiteer
The fan in my 73 is underwhelming in performance, I can't imagine what they were thinking! The original resembles a 'Bilge' fan - there are many newer style in-line 12VDC bilge fans on eBay with a 3 and 4 inch round flex duct set-up...
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That "exhaust fan" was designed to remove the bathroom odors, QUICKLY.
Everthing Airstream ever did, has a reason, "usually".  
Andy
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04-17-2010, 08:52 PM
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#5
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Rivet Master
1973 27' Overlander
Currently Looking...
Jupiter
, Florida
Join Date: Apr 2006
Posts: 2,062
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Argh, two points for the pun? "Muffin" fans can't stand back pressure so no handling any back drafts from weather or restrictive duct work, etc. If you want extreme flow from the existing set up go with a remote mount inline 120VAC bathroom fan - a premium top of the line product...
And a two-inch wide two-inch diameter squirrel cage fan spun up by a slower 12VDC motor with a intake screen and duct work doesn't move anything fast - but in a closed trailer it might keep someones on-the-pot Chesterfield or Pall-Mall from smoking up the Loo when the interior door is closed...
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The days are short and the night is long and the stars go tumbling by.. . ~Airstream~
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04-17-2010, 09:23 PM
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#6
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Maniacal Engineer
1971 25' Tradewind
Lopez Island
, Washington
Join Date: Jan 2010
Posts: 1,244
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Computer muffin fans are not all the same; they range in performance from under 30 cfm to over 200 cfm, w/ current draws to match.
Something like this should take care of things...
These aren't designed for heavily condensing environments; if you're fond of protracted hot showers, you may find you need to replace 'em once in a while... but at $10 apiece, that's manageable.
Some people like noisy fans in the bathroom; this one is prob. loud for a computer fan, but quiet compared to a stock fan.
I'm thinking about making a better kitchen exhaust fan w/ two of these....
- Bart
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04-17-2010, 10:22 PM
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#7
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3 Rivet Member 
2007 25' International CCD
Ponderay
, Idaho
Join Date: Nov 2006
Posts: 200
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Quote:
Originally Posted by barts
I'm thinking about making a better kitchen exhaust fan w/ two of these....
- Bart
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If you replace the kitchen fan please post pics, the fan is way too loud in ours.
Thanks,
Leslie
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04-18-2010, 05:09 AM
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#8
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Rivet Master
1971 27' Overlander
Central
, Ohio
Join Date: Jun 2006
Posts: 2,365
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04-18-2010, 09:01 AM
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#9
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4 Rivet Member
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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All good ideas...
Barts, Id like to see a kitchen exhaust fan too.
Ganglin, that is the type I removed from my 70. I had no idea they were still made. I searched everything I knew and found nothing like the original. Thanks for the links and the thoughts.
If anyone has any ideas for a kitchen exhaust fan, Leslie and I need ideas.
That said, I am not replacing the kitchen bulkhead. What I need is simple round exhaust fan for the 6" hole that was left after demolition. You know, "like back in the day" when they just had a metal pull chain with small motor and a flap.
THANKS ALL!! Cynthia
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08
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04-18-2010, 10:43 AM
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#10
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3 Rivet Member
2007 25' International CCD
Ponderay
, Idaho
Join Date: Nov 2006
Posts: 200
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Thanks for the ideas. Ours is the original fan in the exhaust hood, (a newer trailer). If it would be possible to just reduce the speed it might be enough to reduce the noise. I really hate the noise, you can't even carry on a conversation in the trailer when that thing is running.
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04-18-2010, 11:10 AM
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#11
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Maniacal Engineer
1971 25' Tradewind
Lopez Island
, Washington
Join Date: Jan 2010
Posts: 1,244
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Quote:
Originally Posted by Tincrew
Thanks for the ideas. Ours is the original fan in the exhaust hood, (a newer trailer). If it would be possible to just reduce the speed it might be enough to reduce the noise. I really hate the noise, you can't even carry on a conversation in the trailer when that thing is running.
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This should do what you want... (I've never dealt w/ these folks, though). There are also lots of inexpensive kits to do this out there if you know someone who is handy w/ a soldering iron.
- Bart
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04-18-2010, 11:11 AM
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#12
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Rivet Master
1983 34' Excella
1967 24' Tradewind
Little Rock
, Arkansas
Join Date: Nov 2006
Posts: 3,825
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Quote:
Originally Posted by WILDRTEXAS
All good ideas...
...
What I need is simple round exhaust fan for the 6" hole that was left after demolition. You know, "like back in the day" when they just had a metal pull chain with small motor and a flap.
THANKS ALL!! Cynthia
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Vintage Trailer Supply has one like that ( RV Sidewall Exhaust Fan), but there is one difference. They are 11½" rather than 6". I've never seen one that small with the pull chain and flap.
In my Excella, I have a Ventline ( Ventline Van Vent - Powered 65734 - $67.95 : ODMRV , Out-of-Doors Mart) that fits in a 6" to 6½" opening.
__________________
Vaughan
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04-18-2010, 07:46 PM
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#13
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Rivet Master
1971 27' Overlander
Central
, Ohio
Join Date: Jun 2006
Posts: 2,365
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Quote:
Originally Posted by WILDRTEXAS
All good ideas...
Barts, Id like to see a kitchen exhaust fan too.
Ganglin, that is the type I removed from my 70. I had no idea they were still made. I searched everything I knew and found nothing like the original. Thanks for the links and the thoughts.
If anyone has any ideas for a kitchen exhaust fan, Leslie and I need ideas.
That said, I am not replacing the kitchen bulkhead. What I need is simple round exhaust fan for the 6" hole that was left after demolition. You know, "like back in the day" when they just had a metal pull chain with small motor and a flap.
THANKS ALL!! Cynthia
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What parts do you need? Are you down to an open hole and need the entire set up (interior/exterior covers) or would a replacement motor and fan blade work? It's 6 not 6 1/2?
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04-19-2010, 08:53 AM
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#14
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4 Rivet Member
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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Quote:
Originally Posted by Ganglin
What parts do you need? Are you down to an open hole and need the entire set up (interior/exterior covers) or would a replacement motor and fan blade work? It's 6 not 6 1/2?
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Im down to just a hole in the ceiling in the kitchen. No original parts saved. Need the entire setup. The hole measures 5 1/4" ID.
Thank You. Cynthia
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08
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04-20-2010, 10:49 AM
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#16
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4 Rivet Member
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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Quote:
Originally Posted by Ganglin
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Ganglin, Thanks, thats great...
You seem to be in the know, can you help with a kitchen fan???
Best, Cynthia
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08
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04-20-2010, 11:31 AM
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#17
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Rivet Master
1971 27' Overlander
Central
, Ohio
Join Date: Jun 2006
Posts: 2,365
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I've been thinking about that.
Your opening is in the curve of the roof line correct - like mine...?
Did you keep the cover that went on the outside..?
The problem with retrofitting one of the old pull chain types is (from what I can tell so far) getting the correct size parts. Then - how do we keep it from leaking given the style and where it is on the roof line. How do you conform that style to the curved shape, etc, etc....
I'll keep thinking about it but it may require some jerry riggin.... ;-)
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04-20-2010, 12:15 PM
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#18
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4 Rivet Member
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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Gary, mine is on the curve too. I did save the exterior cover.
Its been so long ago that I did the demo, I cant remember what the old went a hood looked like. I think it was a box shape inside the bulkhead. I cant recall how it attached to the sidewall. It need not be a pull chain type. I was just trying to fill the hole without needing to build a bulkhead.I like simple and I like the open feeling w/o bulkheads. BONUS: Im not planning any interior cooking Cynthia
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08
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04-20-2010, 01:10 PM
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#19
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Rivet Master
1971 27' Overlander
Central
, Ohio
Join Date: Jun 2006
Posts: 2,365
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Quote:
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BONUS: Im not planning any interior cooking
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That helps but one never knows where a malororous event may occur that will require assisted removal....
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04-20-2010, 01:41 PM
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#20
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4 Rivet Member
1970 27' Overlander
ARLINGTON
, TEXAS
Join Date: Jun 2009
Posts: 335
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Quote:
Originally Posted by Ganglin
That helps but one never knows where a malororous event may occur that will require assisted removal....
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One NEVER knows ; + o
__________________
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion...
Taylor 1/20/96 - 11/28/08
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