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Old Jan 20, 2003, 12:32 AM
rkremser
Guest
n/a Posts
fuel filters, refueling, and stoping engine

I"m a newbie and have finished building my heli. All that is left is a fuel
filter between the tank and the carb. Now I haven't flown yet waiting to
purchase this filter and have a few questions about which is best. From
what I have seen there are 2 basic types a single in line filter then a t
shaped filter. I can only guess that the "t" filter is it aide in refueling
so that you don't have to remove the fuel line from the carb but what
prevents fuel from coming out of this, would you just cap it with a short
piece of kinked tubing? There are other filters that I have seen that have
a valve built in. Which is the best solution for a beginner, I"m looking
really for the easiest solution with the least amount of disconnecting of
tubes. The other part of the question is how does one actually stop the
engine. If you close the throttle all of the way is this enough to stall
the engine or do you need to pinch off the fuel line to stop? If you do
have to pinch, can you use one of the filters with a valve on it and just
turn off the valve? Thanks for any input.


Old Jan 20, 2003, 03:42 AM
Philip Martin
Guest
n/a Posts
Re: fuel filters, refueling, and stoping engine

I like to use the Quick UK fuel filters, they have a large filter area, are
easy to strip and clean and you can colour coordinate them)

I unplug the fuel line from the tank to the filter for fuelling, not from
the filter to the carb. That way you wont get any shit from the filler line
into the carb, but then I also use a small filter on the filler line. The
problem you will find with the double filter units is cleaning them.

As for stopping the engine I use one of the Quick fuel line clamps between
the filter and carb. Bring the engine down to idle and then clamp the line,
remembering to hold the rotor head as this 'running lean' might give you a
short increase in engine speed. This will then run the engine fairly dry of
fuel and help prevent any problem because you left the engine with moisture
attracting fuel inside it. This also prevents any fuel from leaking into the
engine whilst not in use.

There is a daffy of expensive, fancy fuelling systems out there but it just
depends how much you want to spend. And remember, what you fit to one, you
might have to fit to the next one, and so on, to fuel the buggers up without
further messing about;o)

Phil Martin.



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Old Jan 21, 2003, 09:12 AM
Siam Heli
Guest
n/a Posts
Re: fuel filters, refueling, and stoping engine

Stopping your engine is best achieved by getting your radio settings right
and 'kill' it with a sufficiently closed throttle.
Anything else is unsafe or a least inconvenient in my book

With the material available to me, pulling off fuel lines for re-fuelling
reduces the lifespan of nitro hoses considerably (getting shorter all the
time).
Better to have a T-valve, they aren't expensive either....

Martin



"Philip Martin" <philip.martin1@btinternet.com> wrote in message
news:b0gc1d$otdmc$1@ID-129488.news.dfncis.de...
>
> I like to use the Quick UK fuel filters, they have a large filter area,

are
> easy to strip and clean and you can colour coordinate them)
>
> I unplug the fuel line from the tank to the filter for fuelling, not from
> the filter to the carb. That way you wont get any shit from the filler

line
> into the carb, but then I also use a small filter on the filler line. The
> problem you will find with the double filter units is cleaning them.
>
> As for stopping the engine I use one of the Quick fuel line clamps between
> the filter and carb. Bring the engine down to idle and then clamp the

line,
> remembering to hold the rotor head as this 'running lean' might give you a
> short increase in engine speed. This will then run the engine fairly dry

of
> fuel and help prevent any problem because you left the engine with

moisture
> attracting fuel inside it. This also prevents any fuel from leaking into

the
> engine whilst not in use.
>
> There is a daffy of expensive, fancy fuelling systems out there but it

just
> depends how much you want to spend. And remember, what you fit to one, you
> might have to fit to the next one, and so on, to fuel the buggers up

without
> further messing about;o)
>
> Phil Martin.
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.443 / Virus Database: 248 - Release Date: 10/01/2003
>
>



 


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