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HelicopterAlignOther › Trex 600 header tank
09-14-2007 03:26 AM  10 years agoPost 1
snakeman

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...

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Im installing a header tank on my trex 600n. This is my first heli and was wondering do I need a clunk line on the header tank? Or maybe just a little line? Or is the whole purpose of the header tank to make sure it stays full?

Thanks Scott

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09-14-2007 03:28 AM  10 years agoPost 2
MEDFLIGHT

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South Webster, Ohio

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It needs a clunk line.

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09-15-2007 12:02 AM  10 years agoPost 3
AndersNaverlind

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Umeå - Sweden

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Install a fuelmagnet in your tank and its no need for a header. I know people that runs it with regular clunk without headertank and it also works fine.

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09-15-2007 02:51 AM  10 years agoPost 4
reiserrob2003

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Brockton, MA.

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you can use soft fuel tubing if you want, try aerotrends or greatplanes, they make a very soft silicone fuel tubing especially if you're using a header tank. It is slightly less flexible than clunk line but will still work for the most part and the header will give you the extra margin of safety. Align started selling clunk line in like 3 foot lengths. I just removed my header again and I've never stalled or leaned out.

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09-15-2007 09:12 AM  10 years agoPost 5
darren1

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West Mids, UK

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The clunk line from the main tank is plumbed to the vent on the header and the clunk is plumbed to the carb. The best way to fit the header I have found is to use double sided servo tape three strips to mount the header on the right side of main. Then seal with silicone.

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09-17-2007 05:27 PM  10 years agoPost 6
reiserrob2003

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Brockton, MA.

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i don't know if I'd trust the lifeblood of you heli to be held on by double sided tape and silicone, all you really need to do is to remove one of the bolts that go to the bearing block and cut a piece of aluminum or similar tubing, put a washer or something similar on each end and use a long three millimeter screw through the whole assembly. tighten well, takes fifteen minutes tops

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09-17-2007 05:33 PM  10 years agoPost 7
helical

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Bowling Green, KY

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I'm using 3M automotive double-sided tape. Strong stuff. Should be fine. Not done building, so no flight time yet.

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09-17-2007 05:42 PM  10 years agoPost 8
Zaneman007

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Texas - USA

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Listen to reiserrob2003

Because what eats tape? Fuel, that's right. Not that you will ever get any fuel on, near or close to the fuel tank?

I have had the gyro come loose because of the fuel!!!!!!!! And it doesn't have any real weight to it.

Some advise makes more sense than others.

Old Guys Rule!

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09-17-2007 05:47 PM  10 years agoPost 9
helical

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Bowling Green, KY

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The gyro tape on my raptor 30 was subjected to fuel for 3 1/2 years. Never came loose. I'm not worried about it.

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09-19-2007 10:48 AM  10 years agoPost 10
tchavei

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Portugal

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Just make a hole in that frame and be over with it.

Tony


--------------------
"Perfection and patience usually walk side by side..."

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09-19-2007 01:31 PM  10 years agoPost 11
hootowl

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Garnet Valley, Pa.

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Tony what's the fuel line on your tail servo? Vibe dampening?

Wolves don't lose sleep over the opinions of sheep

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09-19-2007 01:36 PM  10 years agoPost 12
inkspot1967

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Cranston Ri

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Mike

he had extra fuel line left and his wife told him you said you needed everything well your gonna use it all, so he stuck it there....

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09-19-2007 02:45 PM  10 years agoPost 13
Helijost

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Pevely, MO - USA

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Any vibration problems with mounting the header tank there?

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09-19-2007 02:51 PM  10 years agoPost 14
Sarge3D

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Minnesota

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Hey Tony,

Nice setup! Where did you get the standoff for the header tank. I just ordered a 600N and that looks like the perfect setup.

Ouch! That ground hurts!!

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09-19-2007 03:13 PM  10 years agoPost 15
tchavei

rrProfessor

Portugal

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Sarge3D: Go to your LHS and ask for a aloy spoiler stand off for a Kyosho Inferno Buggy or similar... you only need to cut one side off to have a nice base to mount the header tank I can provide a picture of the stand untouched if you wish as I got a set at the time.

hootowl: The fuel tubing was placed there to change the weight/form of the rod along its axis to remove unwanted resonance frequencies that I was feeling at idle due to the added structural rigidity the metal bearing blocks provided.

inkspot1967: yeah, she also tried to convince me to put some metal canopy spacers but I thought it would be too gay at that time

Tony


--------------------
"Perfection and patience usually walk side by side..."

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09-19-2007 03:18 PM  10 years agoPost 16
inkspot1967

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Cranston Ri

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lol bud.....

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09-19-2007 03:25 PM  10 years agoPost 17
jluiz

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São Paulo - Brazil

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Jluiz

Heli3d

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09-19-2007 03:27 PM  10 years agoPost 18
tchavei

rrProfessor

Portugal

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Harley: No vibration problem whatsoever. No foam or shakes. The machine is pretty smooth now. The only thing that resonated a little at idle was the tail connection rod.

About the mounting I would recomend you to use a plastic spacer and a pressure shim (don't know the english name for it... its a steel shim with teeths to maintain constant pressure to avoid that the bolt becomes unscrewed). The order of instalation should be:

header tank support -> standoff -> frame -> plastic spacer/shim (with a little CA to grab the frame)-> pressure shim -> 3mm bolt

Don't forget to put some loctite (green type 603) on both ends. It has been strong for over 50 flights now.

Tony


--------------------
"Perfection and patience usually walk side by side..."

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09-19-2007 04:27 PM  10 years agoPost 19
Helijost

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Pevely, MO - USA

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Daddy likes the looks of that. Awesome job. Going to order the header tank today.. THANKS!!

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09-19-2007 07:32 PM  10 years agoPost 20
Jay1

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Colorado Springs

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Where can I order a nice header tank like that and maybe the hardware?
Thanks
Jay

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