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HelicopterMain Discussion › Fuel Magnets - Extended use reviews?
12-04-2005 12:15 PM  12 years agoPost 1
dgshaffer

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New Jersey

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Now that this product has been out for a little while and has gone through some changes such as replacing the compound used for the foam, what are your thoughts?

Are they really a replacement for the header tank as most thought they would be?

Are they eliminating the leaning out condition at 1/4 tank that most see?

Is it a worth while investment knowing that the foam was breaking down after exposure to muffler gases and clogging filters and carburators?

I'd like to hear the extended use reports on these things. Who's happy, who has pulled them out, and who has decided to stay away from the idea altogether.

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12-04-2005 01:01 PM  12 years agoPost 2
Kinger

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Granville, OH

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Using one on my Hirobo Evo 90. Thus far it appears to work as advertised and sucks every last drop of fuel out of the tank. Since I'm using a YS, I'm not sure how well the foam would hold up to exhaust gasses.

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12-04-2005 01:17 PM  12 years agoPost 3
dgshaffer

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New Jersey

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Have you eliminated your header tank when you installed the magnet?
Have you changed the foam yet and if, so how often?
Have you noticed that it runs any better throughout the duration of a tank of fuel?

I was thinking about converting my Hypers to crank case pressurization like it is on my YS just to get rid of the crap that's pumped into the tank from the muffler if I decide to install these.

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12-04-2005 01:24 PM  12 years agoPost 4
crowfly

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Pleasant View, TN U.S.A.

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I'm still running my header tank with the fuel magnet, but only for the additional capacity & a better visual clue as to the amount of fuel remaining. The fuel magnet works great.

If God had meant for man to fly, he would have given him more money

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12-04-2005 02:32 PM  12 years agoPost 5
Kinger

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Granville, OH

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I took off the header tank when I installed the magnet. Just for one less thing to deal with and the fact I don't have to worry about air leaks with the YS pressure. The extra capacity would be nice, but it wasn't worth the hassle for me.

Have not replaced the foam yet as it's only about 4 flights old.

Nice thing about the magnet as opposed to the header tank setup is the fact there are NO airbubbles that reach the engine since the clunk is never out of the fuel.

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12-04-2005 02:46 PM  12 years agoPost 6
dgshaffer

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New Jersey

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I forgot to ask which one you're using. I assume it's the OMI version as opposed to this one or this one since it has the replaceable foam filters.

When an engine starts to lean out as the fuel becomes lower in the main tank is this because of tiny air bubles being in solution? I mean so small that they don't readily float to the top of the header tank therefore being sucked in as the fuel is drawn out.

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12-04-2005 03:03 PM  12 years agoPost 7
crowfly

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Pleasant View, TN U.S.A.

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When an engine starts to lean out as the fuel becomes lower in the main tank is this because of tiny air bubles being in solution?
No,,,It's because the fuel is having to be lifted higher, with only muffler pressure to assist it.

If God had meant for man to fly, he would have given him more money

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12-04-2005 03:08 PM  12 years agoPost 8
crowfly

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Pleasant View, TN U.S.A.

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I should have said there is some truth to your statement, but the main reason for going lean is having to lift higher.

If God had meant for man to fly, he would have given him more money

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12-04-2005 03:09 PM  12 years agoPost 9
dgshaffer

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New Jersey

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If this is the case then how does the fuel magnet change anything other than the elimination of air bubbles.

I have been reading that this device keeps the engine from leaning out towards the end of the tank. If gravity is the cause of this, the magnet can't bypass the law of gravity.

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12-04-2005 03:15 PM  12 years agoPost 10
crowfly

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Pleasant View, TN U.S.A.

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That is true. It will help tremendously if your fuel is becoming aireated, but it wont help with the lifting problem.

If God had meant for man to fly, he would have given him more money

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12-04-2005 03:17 PM  12 years agoPost 11
crowfly

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Pleasant View, TN U.S.A.

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Hard tank mounting & vibration are enemies of the fuel.

If God had meant for man to fly, he would have given him more money

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12-04-2005 03:30 PM  12 years agoPost 12
crowfly

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Pleasant View, TN U.S.A.

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Here's a thought you can ponder. I'm sure you've seen how , at the buffett, a stack of plates is loaded into a spring loaded tube. As you remove a plate, the spring raises the remaining plates. If the complexities didn't make it unfeasable, it would be nice to have your fuel tank mounted like that. Then as the fuel was consumed, the spring would raise the tank and keep the fuel height the same.

If God had meant for man to fly, he would have given him more money

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12-04-2005 05:10 PM  12 years agoPost 13
dgshaffer

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New Jersey

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I think I need a perry pump!

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HelicopterMain Discussion › Fuel Magnets - Extended use reviews?
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