Today's Message Index:
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1. 07:17 AM - Re: Ethanol RXEthanol (catz631@aol.com)
2. 07:55 AM - Airspeed Indicator reading low, (Colin Dix)
3. 09:55 AM - Re: Airspeed Indicator reading low, (Guy Buchanan)
Message 1
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| Subject: | Re: Ethanol RXEthanol |
As many of you know, I have a British car hobby and own a couple of them.
Ethanol is a major problem for stored older cars. It does bad things to
tanks, fuel pumps, hoses,etc . As a result, many articles have come out on how
to
deal with this stuff,including products to help stabilize it before it goes
into phase separation.
I read an excellent article called "The Ethanol Issue" in my British
Motoring magazine. At the end of the article it said to check out the Moss tech
video on Dealing With Ethanol at_mossmotors.com_ (mossmotors.com) . I was not
able to locate the video on the web site but did find an excellent article
there about ethanol under "products."It pretty well summarizes the effects
of ethanol, fuel life prior to phase seperation,and of course their
recommended products to combat it. Well worth reading.
I, like Lowell, have my doubts about this "snake oil" but am willing to
try it. Rotax does recommend a stabilizer in the fuel (at least the school
did) I have some different products that claim to help keep the water/alcohol
in solution and will probably run an unscientific test on them to see if in
fact the stuff works. I did that with POR 15 paint vs Eastwood rust
block,Ospho,etc in the past.
The bottom line for me is that I really don't want to drain the fuel out
of my tanks after I fly it. This is a major pain in the b--tt! I will of
course, if I have too.
Dick Maddux
Fox 4
Milton,Fl
Message 2
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| Subject: | Airspeed Indicator reading low, |
Hello Kitfox List,
I have been following your discussions for a while. I wonder if you
can help please. I have a half share in a M44-1200 - Rotax 912.
G-BXWH based in the UK.
We have aproblem with the airspeed indicator reading about 10 MPH
low, and the Rate of Climb meter is reading low as well. I'm told we
have the same arrangment that others have that works correctly. Any
ideas where to look for a cure for both please? BODY {
font-family:Arial, Helvetica, sans-serif;font-size:12px; }
Regards
Colin
Colin Dix
Bailey Engineering & Design Ltd
Linden Lea, Bailey Lane End, Ross-on-Wye,
Herefordshire, HR9 5TR. UK.
2D Design using AutoCAD,
3D Design using Pro-Engineer Wildfire 2,
3D Design using Solidworks
Precision Engineering & Development.
T: +44 (0) 1989 750420
F: +44 (0) 1989 750420
M: +44 (0) 7776 153423
E-mail: colin.dix@bailey-steam.com
Web: http://www.bailey-steam.com
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Message 3
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| Subject: | Re: Airspeed Indicator reading low, |
At 07:48 AM 1/14/2010, you wrote
>We have aproblem with the airspeed indicator reading about 10 MPH
>low, and the Rate of Climb meter is reading low as well. I'm told we
>have the same arrangment that others have that works correctly. Any
>ideas where to look for a cure for both please?
Colin,
Check for leaks. I did the trick of putting a 10cm piece of
sealed tube on the pitot and then carefully kinking it while watching
the ASI. (Don't want to over speed it.) Once kinked, hold it in place
with a rubber band or tie wrap and wait to see if the airspeed
decays. If so you've got a leak in the pitot system. My leak was
between the bezel and glass.
Do the same with the static system, except start with a
kinked hose and let it un-kink after sealing it to the static system.
Once you've confirmed no leaks then question the location of
the static port. My system ran 10mph low using the "same arrangement"
as well so I just disconnected the static port and ran it at cabin
pressure: much closer.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 400 hrs. and counting
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