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herbgh(at)nctc.com
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 Posted: Wed Oct 28, 2009 12:24 pm Post subject: Engine quits in Mid flight -Forced Landing- Fuel starvat |
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Jack and all
I placed a squeeze bulb such that it pressurizes the fuel tank and
forces the fuel out and through the pump to the bowl...all I have to
do is place my finger over the tank vent hole and squeeze... no in
line squeeze bulb or bypass to worry about...Herb
At 02:07 PM 10/28/2009, you wrote:
| Quote: |
At 08:21 AM 10/28/09 -0700, you wrote:
>
>You are very correct John, people parrot this line and have no
understanding of how flawed and dangerous their reasoning is.
>
Some of us do not have an electrical system, and some of us have severe
weight restrictions, and so the only way to get the fuel up to the pump and
carburetor is by use of squeeze bulb. If the engine is fitted with a
primer, one could do with out a squeeze bulb. The system could be primed by
hand cranking and running the engine in bursts until the fuel is sucked up
to the pump and the float bowl fills. For an older duffer like me, I prefer
some clear tubing in the system between the pump and the float bowl, so
that, I can see that I have fuel up to the float bowl. I am too old perform
the prime and run in bursts technique to prime the system. By the time I
get it done, I am in no shape to go flying.
I like the vacuum type system, in that there is just a short piece of
pressured line to the carburetor from the pump. It reduces the chance of
and reduces the magnitude of in flight fire, in that, the fire will
extinguish its self once the engine quits. On a pressurized system one must
remember to turn off the pump.
There are pro's and con's. No one system fits all. The danger, if any, is
that it is up to the pilot to recognize the failure modes of his system and
adapt to it.
Third start up of the MZ34. Slowly learning the intricacies of the
Tillotson carburetor.
Jack B. Hart FF004
Winchester, IN
Checked by AVG - www.avg.com
10/28/09 09:34:00
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Dana
Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA
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| Posted: Wed Oct 28, 2009 1:03 pm Post subject: Engine quits in Mid flight -Forced Landing- Fuel starvat |
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At 03:07 PM 10/28/2009, Jack B. Hart wrote:
| Quote: | Some of us do not have an electrical system, and some of us have severe
weight restrictions, and so the only way to get the fuel up to the pump and
carburetor is by use of squeeze bulb. If the engine is fitted with a
primer, one could do with out a squeeze bulb. The system could be primed by
hand cranking and running the engine in bursts until the fuel is sucked up
to the pump and the float bowl fills...
|
I'm in that category (no electrical and 103 legal, well nearly), but after
a problem with a brand new squeeze bulb that could have turned out very
ugly, I no longer use one. I prime with the plunger primer and the float
bowl fill very quickly. If the engine doesn't want to run long enough on
the prime, another quick shot of prime keeps it going until the bowl is
full. Of course the engine on my UltraStar isn't way up on top like the
later Kolbs.
-Dana
--
The family that shoots together..... shouldn't be messed with!
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