Today's Message Index:
----------------------
1. 06:18 AM - Re: Fuel pump failure (Thom Riddle)
2. 08:05 AM - Muffler FS (Chris Fordham)
3. 09:12 AM - Re: Re: Fuel pump failure (Joel M.)
Message 1
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| Subject: | Re: Fuel pump failure |
I used to own a 701 and its nose up pitch potential is amazing. I suggest the following:
Put the nose wheel up on a block or chair or whatever to get the tail
down as low as possible. Then measure vertical distance from the wing tank outlet
and the inlet to the mechanical fuel pump. You may be surprised to find
that this distance is minimal and probably insufficient to provide enough head
pressure for reliable gravity flow during full power nose high attitude.
The suggestion made by someone else to pressure feed the tank vents is also a good
one. I once owned a RANS S6S with these vent tubes. I had unequal draining
from the two wing tanks due to a slight mis-alignment of the two filler cap vent
tubes, so this minor pressure differential can make a big difference in flow
rate.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x31
I have reached an age when, if someone tells me to wear socks, I don't have to.
- Albert Einstein
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=281605#281605
Message 2
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Muffler for Rotax 912uls, used very little in excellent condition, was
off a Evector. $200.00.+ shipping Thanks. email - fconsult@telus.net
Message 3
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| Subject: | Re: Fuel pump failure |
Here is an article about someone's fuel system modification on a Rans S-7.
-
It may be helpful.-------- http://www.pipcom.com/~cowcam/fu
elsys.htm
Joel
--- On Fri, 1/15/10, Thom Riddle <riddletr@gmail.com> wrote:
From: Thom Riddle <riddletr@gmail.com>
Subject: RotaxEngines-List: Re: Fuel pump failure
I used to own a 701 and its nose up pitch potential is amazing. I suggest t
he following: Put the nose wheel up on a block or chair or whatever to get
the tail down as low as possible. Then measure vertical distance from the w
ing tank outlet and the inlet to the mechanical fuel pump. You may be surpr
ised to find that this distance is minimal and probably insufficient to pro
vide enough head pressure for reliable gravity flow during full power nose
high attitude.
The suggestion made by someone else to pressure feed the tank vents is also
a good one. I once owned a RANS S6S with these vent tubes. I had unequal d
raining from the two wing tanks due to a slight mis-alignment of the two fi
ller cap vent tubes, so this minor pressure differential can make a big dif
ference in flow rate.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x31
I have reached an age when, if someone tells me to wear socks, I don't have
to.
- Albert Einstein
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=281605#281605
le, List Admin.
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