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Ram Air Pressure Cap for 701

 
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n752ms(at)softcom.net
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PostPosted: Fri Sep 19, 2008 10:19 am    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Bob.

Sorry it took so long for a reply, had to find my copy of a catalog.

It is called a Ram Air Pressure Cap, # E-481-000. In my catalog ( May 2008)
it has a price of $37.95.

The tube sticks straight up, but you can bend it the way you need it, once
you see what direction you need with it mounted to your tank.

Mark S.
701/912ULS


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craig(at)craigandjean.com
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PostPosted: Fri Sep 19, 2008 11:32 am    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Does it actually fit (and seal) on the neck of the factory tanks?

-- Craig

--


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n752ms(at)softcom.net
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PostPosted: Fri Sep 19, 2008 12:07 pm    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Craig.

Yes, in fact I had to adjust the tabs on the cap because it fit to tight.

Mark S.
701/912ULS
do not archive
---


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sonar1@cox.net



Joined: 02 Oct 2007
Posts: 55
Location: Santa Barbara, Ca

PostPosted: Fri Sep 19, 2008 1:44 pm    Post subject: Re: Ram Air Pressure Cap for 701 Reply with quote

If the object of this exhaustive exercise is to get the tanks to flow evenly, what happens if one vent gives a tiny bit more pressure than the other?
I had the factory caps, had uneven flow because of bubbles, put a valve in each line, problem solved (since 2006).............Fred Sanford..N9701
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nyterminat(at)aol.com
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PostPosted: Fri Sep 19, 2008 2:52 pm    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Thanks Mark. I will give it a look.

Bob Spudis


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nyterminat(at)aol.com
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PostPosted: Fri Sep 19, 2008 2:58 pm    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Best part about pressurizing the tanks is that you won't stain the top
of the wing from loosing fuel due to the negative pressure.
Bob Spudis


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ggower_99(at)yahoo.com
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PostPosted: Fri Sep 19, 2008 6:02 pm    Post subject: Ram Air Pressure Cap for 701 Reply with quote

The only way we could clean the brown stains of the gasoline in the wings... before we installed the valves (the wings are painted yellow using Dupont Imron), was with a rag using gasoline. Believe it or not, we tried diferent brands of degreaser and soap (both liquid or in spray) and did not work. only polish will do, but that way the paint will not last several years, later we will had yellow and green (cinc cronmate) wings Smile

we used during that time, plain gasoline from the gascolator test to the rag, here we use Premium auto gas from Pemex, only brand here for the Rotax 912, and Magna (regular) for the 2 cycles...
No more stains since we installed the valve in each tank.
Try it over there might work...

Saludos
Gary Gower.
Flying from Chapala, Mexico.

--- On Fri, 9/19/08, nyterminat(at)aol.com <nyterminat(at)aol.com> wrote:

Quote:
From: nyterminat(at)aol.com <nyterminat(at)aol.com>
Subject: Re: Re: Ram Air Pressure Cap for 701
To: zenith701801-list(at)matronics.com
Date: Friday, September 19, 2008, 6:58 PM

Quote:
--> Zenith701801-List message posted by: nyterminat(at)aol.com

Best part about pressurizing the tanks is that you won't stain the top
of the wing from loosing fuel due to the negative pressure.
Bob Spudis


[quote][b]


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n801bh(at)netzero.com
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PostPosted: Sat Sep 20, 2008 3:36 am    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Thanks Gary for the tip. When I use auto fuel the brown stains will come off using more auto gas on a rag and some heavy duty rubbing. The permanent stains are from the blue dye in 100LL aviation fuel. This stuff is worse the blueberry juice on a white tablecloth. Once it is there you are screwed. I also agree that rubbing compound will probably remove the blue stains but when Imron cures it creates a skin kinda like pudding gets. This skin is the UV protection and rubbing compound will remove it, thus making the paint less durable...
do not archive
Ben Haas
N801BH
www.haaspowerair.com

-- Gary Gower <ggower_99(at)yahoo.com> wrote:
The only way we could clean the brown stains of the gasoline in the wings... before we installed the valves (the wings are painted yellow using Dupont Imron), was with a rag using gasoline. Believe it or not, we tried diferent brands of degreaser and soap (both liquid or in spray) and did not work. only polish will do, but that way the paint will not last several years, later we will had yellow and green (cinc cronmate) wings Smile

we used during that time, plain gasoline from the gascolator test to the rag, here we use Premium auto gas from Pemex, only brand here for the Rotax 912, and Magna (regular) for the 2 cycles...
No more stains since we installed the valve in each tank.
Try it over there might work...

Saludos
Gary Gower.
Flying from Chapala, Mexico.

--- On Fri, 9/19/08, nyterminat(at)aol.com <nyterminat(at)aol.com> wrote:

Quote:
From: nyterminat(at)aol.com <nyterminat(at)aol.com>
Subject: Re: Re: Ram Air Pressure Cap for 701
To: zenith701801-list(at)matronics.com
Date: Friday, September 19, 2008, 6:58 PM

Quote:
--> Zenith701801-List message posted by: nyterminat(at)aol.com

Best part about pressurizing the tanks is that you won't stain the top
of the wing from loosing fuel due to the negative pressure.
Bob Spudis


Quote:


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[quote][b]


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Terry Phillips



Joined: 11 Jan 2006
Posts: 346
Location: Corvallis, MT

PostPosted: Sat Sep 20, 2008 6:34 am    Post subject: Ram Air Pressure Cap for 701 Reply with quote

Sounds like another good reason to paint my wings blue. I was planning on
blue anyway, because I wanted a dark color to help melt frost and/or ice on
cold mornings--not an uncommon problem in Montana. But I think this seals
the deal.

Terry
At 11:33 AM 9/20/2008 +0000, you wrote:

Quote:
Thanks Gary for the tip. When I use auto fuel the brown stains will come
off using more auto gas on a rag and some heavy duty rubbing. The
permanent stains are from the blue dye in 100LL aviation fuel. This stuff
is worse the blueberry juice on a white tablecloth. Once it is there you
are screwed. I also agree that rubbing compound will probably remove the
blue stains but when Imron cures it creates a skin kinda like pudding
gets. This skin is the UV protection and rubbing compound will remove it,
thus making the paint less durable...

do not archive
Ben Haas
N801BH
www.haaspowerair.com


Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
are done; working on the wings
http://www.mykitlog.com/N47TP/


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_________________
Terry Phillips
Corvallis, MT
ttp44<at>rkymtn.net
Zenith 601XL/Jab 3300 slow build kit - Tail feathers done; working on the wings.
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