Today's Message Index:
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1. 04:56 AM - Re: Re: Ice prevention on fuel vent (Parish Moffitt)
2. 06:45 PM - Towbars and FBOs (David Carr)
Message 1
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| Subject: | Re: Ice prevention on fuel vent |
Anything sticking out into the airflow will accumulate ice when in
=9Cicing conditions=9D and =9Cicing
conditions=9D can occur at a temperature higher than you would
think. On airplanes that fly in the ice all the time, one of the common
ways we evaluate the severity is to look for something small sticking
out into the airstream (like the safety wire on the windshield wipers).
Parish
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Rene
Sent: Friday, November 24, 2017 11:43 AM
Subject: RE: RV10-List: Re: Ice prevention on fuel vent
No expert here.if you do encounter icing check out the fuel
tank drain when you get on the ground. I do not remember seeing any on
the vent tube, was not looking, just noted a large chunk on the fuel
drain.
Rene'
801-721-6080
From: owner-rv10-list-server@matronics.com
<mailto:owner-rv10-list-server@matronics.com>
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Carlos Trigo
Sent: Friday, November 24, 2017 9:29 AM
Subject: RE: RV10-List: Re: Ice prevention on fuel vent
By the way, Tim and all the experts in this forum
If the conditions create ice in the tip of the tube (which is in the air
stream), why does it nor create ice inside the wing cavity as well?
Is it because the ice is created not only by the air temperature, but
also by the positive dynamic pressure in the vent tube tip?
Wondering minds want to know
Thanks
Carlos
De: owner-rv10-list-server@matronics.com
<mailto:owner-rv10-list-server@matronics.com>
[mailto:owner-rv10-list-server@matronics.com] Em nome de Tim Olson
Enviada: Friday, November 24, 2017 1:02 PM
Para: rv10-list@matronics.com <mailto:rv10-list@matronics.com>
Assunto: Re: RV10-List: Re: Ice prevention on fuel vent
I should have read again before replying... darn.
That check valve will work fine, as would any free flow valve, but, the
other down side is your fuel vents are 1/4=9D tubing and that
particular valve uses 3/8=9D fittings, so you will need to buy
additional adapters to fit it in, which may require a little more
creativity in mounting. At $27.50 it isn=99t super cheap either
but looks like good quality. I don=99t remember what I paid, but
it would be worth checking out what other valves you can find because if
you can find one that is 1/8=9D NPT it may be easier to adapt.
That said, mine is brass and is probably heavier than this one is too.
Tim
On Nov 24, 2017, at 3:53 AM, Carlos Trigo <trigo@mail.telepac.pt
<mailto:trigo@mail.telepac.pt> > wrote:
Tim
In the Q+A for this ACS valve, at the Aircraft Spruce website, it says
that this valve breakout pressure is 0 psi.
Will this work for this application?
Carlos
Enviado do meu iPhone
No dia 24/11/2017, =C3-s 05:12, Tim Olson <Tim@MyRV10.com
<mailto:Tim@MyRV10.com> > escreveu:
Regarding that check valve...I just got around to looking at the link on
this
Aircraft Spruce one, Phil.
I know you want one with a very very very low operating pressure
(vacuum, actually).
If you get even a couple of psi that it takes to open the valve, your
tank will
have probably imploded by then. This valve appears to be for fuel flow
return lines. It doesn't seem to give a spec.
I got a valve from McMaster Carr that had a cracking pressure of .3 psi.
http://www.myrv10.com/N104CD/upgrades/20090525/index.html
I can't say that the valve you linked to is bad, but I would just
caution to
make sure that it's probably no more than 1psi of cracking pressure.
Any valve that takes more than that to operate may risk tank
collapse.
Tim
On 11/23/2017 7:20 AM, Phillip Perry wrote:
Here you go Dave..
http://m.aircraftspruce.com/catalog/appages/acscheckvalve.php?clickkey=
6903
Sent from my iPhone
On Nov 23, 2017, at 3:57 AM, rvdave <rv610dave@gmail.com
<mailto:rv610dave@gmail.com> > wrote:
<mailto:rv610dave@gmail.com> >
I=99ve been looking for a check valve where can you get one with
low psi?
--------
Dave Ford
RV6 for sale
RV10 building
Cadillac, MI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=475455#475455
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Message 2
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| Subject: | Towbars and FBOs |
Do FBO's usually have a towbar that will fit on an RV-10? I thought I
remember reading that the answer is usually not and have a hazy memory of a
modification to enable standard towbars to fit. What says the list?
I know a number of folks simply ask the FBO not to move the airplane, but
at least with FBOs I've encountered that may be a bit much to ask.
Thanks,
David
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