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HomeAircraftHelicopterMain Discussion › header tank or fuel magnet?
01-14-2009 02:26 AM  9 years agoPost 1
canbarelyhover

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Sunnyvale, CA

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My engine lost fuel supply and quit with still 2-3oz of fuel in the tank. it happened during a loop. I've been holding off getting a header tank and/or fuel magnet but i think it's time. Which one should i get? What's the pros/cons of each?

Then, there's always the 3rd option - don't wait till the tank only has a few ounces left.

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01-14-2009 02:29 AM  9 years agoPost 2
Steff Giguere

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St-Eustache, Quebec, Canada

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I use the OS bubbleless AND a header tank, never had a problem. I know that some will say the I'm a sissy (because to some that is who a header tank is for), but with all that money in the air I would rather not take a chance. Better safe than sorry.

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-14-2009 02:49 AM  9 years agoPost 3
VANHELI

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Omaha,Nebraska

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I have never used the fuel magnet but have heard good things about them. I had a problem with the stock align clunk, but switched to the OS bubbleless clunk and it works great. Oh, and no header tank either. I do plan on getting one soon though. I like the fact that there is no sponges to change with the OS clunk.

Dave

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01-14-2009 02:56 AM  9 years agoPost 4
RYOTGEAR

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USA

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A Header tank is like having extra insurance on your machine and eliminates one possible problem in this expensive hobby.Those who do not use one are more likely the better pilots and pros,or those who do not budget or need to budget.
I use a header tank on all my machines.

MATTER SET FREE

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01-14-2009 03:06 AM  9 years agoPost 5
QuickSilver

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Cherry Hill, New Jersey

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Both
Well first off a fuel magnet is not ment to replace a header tank IMO. I use both because the more failsafes/backups the better. Not only that a header tank on a MA Fury helps in letting you know how much fuel you got left because the main tank is covered up by the canopy with only a little slot in the side to see it.

Kyle

Stanley Bostitch
Proto Tools

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01-14-2009 03:50 AM  9 years agoPost 6
AaronJohnson

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mason,MI

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I use a header on all mine and always will, just with the regular clunk. When my main tank has a puddle left then I land.

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01-14-2009 03:56 AM  9 years agoPost 7
airboss

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OC ,california

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my synergy's fly with a fuel magnet, these things work excellent and set up with carbsmart will keep engine from running hot.

Urukay HPS3 KSE 700 HPS3

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01-14-2009 04:04 AM  9 years agoPost 8
Ralphw

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Spring, TX

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I use both as well, with one exception.

My EVO 50 is powered by an OS 50 and as such, uses muffler pressure instead of crankcase pressure or a pump. The exhaust gases in the tank from the muffler tend to cause the fuel magnet to deteriorate in that situation. There are ways to help avoid this but in that heli I don't use the fuel magnet and just make sure I stop when I get down to the header.

The Tempest, T700N and 600N are all either YS powered with crankcase pressure or OS pumped and so, fuel mag safe.

Ralph W.
"Life's Short, Fly Fast"

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01-14-2009 04:11 AM  9 years agoPost 9
jking

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artesia,new mexico

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you can still run the magnet with muffler pressure.just pull the pressure line after last flight and put back enough fuel to cover the magnet.when you pump into it it pushes the gasses out.mine have lasted quite a while!

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01-14-2009 04:15 AM  9 years agoPost 10
Ralphw

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Spring, TX

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Like I said, there are ways....I just don't like to leave fuel in the heli. Probably nothing wrong with that, just not what I like to do !!

Ralph W.
"Life's Short, Fly Fast"

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01-14-2009 04:36 AM  9 years agoPost 11
Fastsrt

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Lebanon, Tn

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Be the first to start something new.........put a fuel magnet in your header tank.

I use the fuel mag in my Syergys' and my 600N. The Vibe has a fuel mag and header(for temp usage) for a few test flights. I had the clunk line kink up and shut the fuel off while doing constant flips and had to auto it from about 25 ft. Didn't care for that since i don't practice them much. I put the header on in case the line kinked again after putting in some hayes and a fuel mag. All has been good so the header will be removed shortly. My 700 has the OS clunk and works just as well. The header choice is a personal thing. My Vibe 50 with the header will run 12-14 minutes.

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01-14-2009 04:59 AM  9 years agoPost 12
Anthony.L

rrElite Veteran

Seattle, WA

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All my models have no header tank and use the OMI Fuel Magnet. This is with both crankcase and muffler pressure systems and never had any issues. Just remember to refill the tank right after a flight to keep the fuel magnet wet. This will make it last a long time.

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01-14-2009 06:16 AM  9 years agoPost 13
canbarelyhover

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Sunnyvale, CA

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i think i'll go with a fuel magnet for now and see how it goes. hopefully that in conjunction with the black hayes clunk line will work out. thanks for all the info guys.

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01-14-2009 12:17 PM  9 years agoPost 14
Helipilot01

rrApprentice

ColliervilleTn

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Header tank all the way!
I've used header tanks for over 15 years now and never a single problem. It's the best insurance you can buy!

I've heard of too many problems with the fuel magnets. The come apart and plug the filter, which cause a lean run and damage to the engine.

I'll stick with the header tank and its proven track record.

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01-14-2009 02:05 PM  9 years agoPost 15
Swoop

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Newark, DE USA

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Header tanks can also give you early warning of main clunk line deterioration. Another overlooked benefit is that it offsets the weight of the muffler.

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01-14-2009 02:26 PM  9 years agoPost 16
USNAviationjay

rrElite Veteran

Houston Tx USA

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I use the OS bubbleless AND a header tank, never had a problem. I know that some will say the I'm a sissy (because to some that is who a header tank is for), but with all that money in the air I would rather not take a chance. Better safe than sorry.

I wish I could fly 24/7
I do as well bro. so far so good on it as well.

The bubbleless clunks is great but it cannot help you if for some reason you have a main tank clunk malfunction, at least with the header (if you notice its level going down anyway) you can get it back to the ground under power.

I had the clunk in my T600 fold over on itself and shut off fuel causing me a flameout and a crash.

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01-14-2009 02:47 PM  9 years agoPost 17
Nashville

rrElite Veteran

Formerly Music City now back home in Sunny Florida

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+1 for header tanks. Have them on all my helis. I tried the magnets but as stated before the came apart and caused trouble for me.

I was Spektrum when Spektrum wasn't cool

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01-14-2009 03:28 PM  9 years agoPost 18
alchemist

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Auckland,New Zealand

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This question really falls into the personal preference category...here's my opinion.

Both options increase the complexity of your fuel delivery system hence more things can go wrong, but they are both known to work well if maintained correctly.

A header tank adds substainial piping/plumbing and another complete tank (all be it mini) to maintain. A header tank adds more weight and often requires a small mod to mount it. A header tank needs another clunk.

A fuel magnet will eventually deteriorate (if left unmaintained), leaving you clunkless and/or become a block in your fuel line/filter. However the installation to an existing fuel system is minimal and only one part "the clunk" is replaced - simple.

I use fuel magnets and have had no problem so far

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01-14-2009 03:30 PM  9 years agoPost 19
Git

rrVeteran

Brunei

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use both. peace of mind during flying. once main tank is depleted, stop 3d'ing, reduce headspeed (i use an mgp with multiple speeds) and do high altitude circuits until engine dies for a graceful auto rotation back to ground some wud go against this due to the leaning-out of the engine but i usually check the highest recorded temperature after landing and they're always within the safe limit (below 250F)

On my 600, header tank with standard tubing and clunk. in the main tank kinkless k&s tubing with omni fuel magnet. hard 3d for 9 minutes will leave a few drops in the main but full in the header.

stock fuel tube does not last very long. turns to jelly like texture. forums say its the gas from the muffler after u finish flying.

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01-14-2009 04:25 PM  9 years agoPost 20
Nashville

rrElite Veteran

Formerly Music City now back home in Sunny Florida

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flying every flight until the tank runs completely dry sounds pretty extreme to me. I would not do that but to each his own.

I was Spektrum when Spektrum wasn't cool

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HomeAircraftHelicopterMain Discussion › header tank or fuel magnet?
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