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Main Discussion > Fuel Magnets
 
 
carcrasher
Key Veteran
Location: east coast

edit
11-20-2008 05:21 AM
 
 
Fastsrt
Senior Heliman
Location: Old Hickory, Tn.37138

I use both Fuel mag and OS BBC. I had a fuel magnet come apart on me in flight causing my 91SR to lean out to the point it stuck a piston and in turn caused me to have to do my first auto which was not pretty but i did keep it on the skids and intact. This happened to me in my Synergy and i did manage to keep my shorts clean.
I use the OS clunk in my 700 and my Vibe 50 with no problems in either one.

2 x Synergy N9's, T-Rex 700, Trex 600N, Vibe 50, Trex 250
11-20-2008 05:44 AM
 
 
Rui_JC
Veteran
Location: Portugal

Quote 
The ELD does require a bit more care

So what are your tips to keep it in good condition ?

Keep it up...literally
11-20-2008 12:24 PM
 
 
Avropilot
Senior Heliman
Location: Nashville, Tennessee

The exhaust gasses from the muffler pressure is the culprit. keep your fuel tank full after flying and it will last a long time. I'm going on 10 months on two of them right now. They work great and havent had to use those sissy header tanks for a long time.
11-20-2008 12:40 PM
 
 
Wa11banger
Elite Veteran
Location: Huntsville, Al

Rui JC,
To care for the Fuel magnet is very simple.

For muffler pressured fuel systems, at the end of each day fill tank full with fuel pop off vent tube to muffler and drain. This as stated above pushes all the caustic exhuast out of the tank so it cannot attack the foams. I fly quite regularly most times and dont even need to do this but now that winter is here more time between flight days so I do do this.

That is all that needs to be done if you fly regularly. If your airframe sits for awhile between flying sessions. Put a 1/4 tank of fuel in there to keep the sponge wet. This is not because it will damage from drying out this will keep it from trapping oils because all the nitro and other evaporables leave after time.

If you take care as above each element well last well over a year. If you do not do any of the above you will find you are replacing elements about every 3-4 months, which is no biggie it is about the time you should be checking your clunk lines and replacing them.

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, KBDD & Compass Model teams
11-20-2008 12:48 PM
HOMEPAGE  
 
 
Rui_JC
Veteran
Location: Portugal

thanks for the info Wa11banger,

the only problem i see about leaving some fuel in is for the clunk lines as i been told not to leave nitro in because of that.


BUT i guess it's better practice to do maintenace to the clunk line often and keep the fuel magnet in good condition.

The only inconvinient is placing and removing the fuel magnet from the tank of the vibe 50. It's sizes are not designed for each other

Keep it up...literally
11-20-2008 01:17 PM
 
 
Awamori
Senior Heliman
Location: Okinawa, Japan

I use the fuel magnets as well and wouldnt do it any other way. I had one start to fray after one year but it wasnt like it just fell apart and clogged or anything. I run muffler pressure and one instance I didnt realize I had a bent flybar after I had it shipped overseas. Long story short I had a vibe on my N9 so bad it looked like the fuel was generating and flowing from the top of the tank. Ran a few tanks that way from being lazy for not tracking it down. Ran consistant the whole time.
11-20-2008 01:32 PM
 
 
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