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HelicopterGasser Model RC HelicoptersOther › Fuel jug filter
01-05-2014 02:08 PM  4 years agoPost 1
mustang67ford

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Central Pennsylvania

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Do any of you guys use a fuel filter on your gasser jug? I was going to use a regular nitro style clunk out of the great planes fuel jug kit as opposed to the felt clunk, but then i would need a filter.

I also plan to fuel and defule each trip to the field so I will be doing this with a Tee fitting on the supply line to the carb. Therefore, when fueling, the fuel will go to both the carb and tank and will need filtered. I don't have a fuel filter on the supply to the carb, just the felt clunk. I have the same setup on my nitros, but have an inline filter between the tee and the carb.

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01-05-2014 03:33 PM  4 years agoPost 2
rbort

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Franklin, MA - USA

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Forget about the T thing
1. Remove the return line to the carb and fill the tank from there.
2. Repeat this all day to get all your flights in.
3. At the end of the day:

a. remove the inlet line from the carb and connect to the gas can
b. push the primer bulb several times to empty out the carb reservoir
c. drain the remaining tank/carb reservoir back into your gas can.

ONE way in - through the return line, and, ONE way out -- through the carb line with the felt clunk on there.

Fuel can filter is optional. I have a filter built into the pickup line on the bottom of my gas can. If you do the above if anything was to get into your fuel tank it would just stay there and float around as it can't get past the felt clunk going to the carb.

T inbetween the carb inlet line to fill is not a good idea. Defeats the felt clunk and is more parts and plugs to mess with. Just pull the line off and put it back on, trust me it works with no issues and that line will never come off by itself - the carb nipples are barbed.

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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01-05-2014 06:58 PM  4 years agoPost 3
Mark19662

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Fountain Inn, SC USA

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I fuel and defuel mine just like Raja does and I haven't had an issue in over 342 tanks. I use a 2.5 gallon jersey modeler container and it has a felt filter in the container and a inline filter on the fill line.

Whiplash Gasser w/ Hanson 290 3D Max
KDS AGILE 7.2
Align Trex 450L Dominator 6s

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01-05-2014 08:09 PM  4 years agoPost 4
mustang67ford

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Central Pennsylvania

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Good info, thanks.

I have my fuel tank set up with a check valve (lets air in, not out), a feed line, a return line and a vent for when filling. I imagine I still undo the vent line plug so I don't pressurize and force air/fuel thru the feed line, correct?

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01-05-2014 09:53 PM  4 years agoPost 5
rbort

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Franklin, MA - USA

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OMG!
I have my fuel tank set up with a check valve (lets air in, not out), a feed line, a return line and a vent for when filling.
Don't you think that's a little WAY too complicated?

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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01-05-2014 10:43 PM  4 years agoPost 6
geomecc

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Long Island ,NY

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DO NOT use a check valve on the vent or anywhere on a gasser heli YOU will be very sorry. trust me!

R I P Roman Jr. Team SKOOKUM SRW EFC

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01-05-2014 11:05 PM  4 years agoPost 7
mustang67ford

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Central Pennsylvania

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Don't you think that's a little WAY too complicated?
I am new to gassers, did a helibug thunderbird conversion and followed the manual for it's fuel setup. I had no reason to not follow the manual. Made sense to me.

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01-05-2014 11:09 PM  4 years agoPost 8
mustang67ford

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Central Pennsylvania

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DO NOT use a check valve on the vent or anywhere on a gasser heli YOU will be very sorry. trust me!
Ok, if you'r not using the check valve, how do you keep your tank vented so it does not colapse when drawing fuel? Just some fuel tubing rolled in a couple loops? The check valve is a cleaner install.

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01-05-2014 11:13 PM  4 years agoPost 9
BeltFedBrowning

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Kansas City

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...

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01-06-2014 12:24 AM  4 years agoPost 10
mustang67ford

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Central Pennsylvania

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Do you have a picture? My fear with the open loop, is you can get fuel in the loop and do the right number of manuvers, the fuel could get out.

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01-06-2014 12:35 AM  4 years agoPost 11
turboomni

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East of the Equator

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I remember I think my Min Air Spectra gasser kit came with a check valve for the vent. But I would never use it. A few loops and down the bottom of the heli. Never noticed any fuel come out after a flight. It won't be a problem.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-06-2014 01:44 AM  4 years agoPost 12
geomecc

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Long Island ,NY

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i was using a check valve for the same reasons then one day during flight it got stuck siezed the motor and crashed it was almost a rekit.i went home that day and removed all of them from my other gassers.
just loop the vent line a couple times and u will be ok. maybe a drop will work its way out but it wont hurt anything. a 5$ check valve isnt worth an engine and heli, blades etc.

R I P Roman Jr. Team SKOOKUM SRW EFC

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01-06-2014 02:55 AM  4 years agoPost 13
rbort

rrProfessor

Franklin, MA - USA

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Check valves plug
Take yours off the heli and try to pull air through it, see how easy it is. Do you want your engine trying to breath through that?

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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01-06-2014 04:26 AM  4 years agoPost 14
GREYEAGLE

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Flat Land's

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Some thing just to consider / Take for any value you may find: On Fuel and de- Fuel
I've always been a bit leery about the repeated on and off removing the Tygon from the fuel nipples on some of the Walboro's.

Hang onto any Old Carb you have if you need a fitting.

It work's great, just be aware that some of the carburetor bodies have plastic - press fit nipples into the body. They are easily replaced if you have a good distributor or robbed from another carb if you ever crack one. Some can be metal and some can be plastic -

Bit shy if they ever suck air around the Tygon or the press fit area of the Body from constant On /OFF loosens or if the Tygon may leak a bit at the juncture. Never ever seen a problem. I just leave the seal area alone -

Here's a alternative - Just a thought -This body has a Plastic Fitting.

greyeagle

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01-06-2014 05:48 PM  4 years agoPost 15
mustang67ford

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Central Pennsylvania

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ok, maybe I'll use the loop vent instead of the check valve. Since I already have a fitting in my tank for a fill vent and the check valve, maybe I'll use one of them as just a fill line then I won't need to take the return line off the carb. I could then defuel thru the supply line or with a tee in the supply line so I don't need to mess with the carb fittings. Can somebody pose a couple pics of the loop vent?

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01-06-2014 07:53 PM  4 years agoPost 16
fastflyer20

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N. Tonawanda, NY

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Tom
CAUTION - my posts are based on my experiences, yours may be different.

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01-07-2014 12:55 AM  4 years agoPost 17
rbort

rrProfessor

Franklin, MA - USA

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Old picture
But you see what I mean here:

Tie wraps to hold the 540 degree fuel line loop, or some people wrap around some sort of pipe or piece of tailboom.

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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01-07-2014 01:22 AM  4 years agoPost 18
Mark Dean

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Maryland

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I see a lot of vent tubes anchored higher than the tank. Is there any purpose to it? I currently have two tanks with the 540 loop coiled under the tank and haven't seen any problems. My thought is the loop would be best lower than the tank so on an inverted maneuver the tank wouldn't siphon as that would be the only time fuel would reach the tube anyhow.

Mark

Team Synergy Field Representative, Rail Blades, Scorpion Power Systems

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01-07-2014 01:29 AM  4 years agoPost 19
Ace Dude

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USA

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Thanks for reminding me to label my servos.

  

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01-07-2014 01:43 AM  4 years agoPost 20
rbort

rrProfessor

Franklin, MA - USA

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You're making me think
Thanks for reminding me to label my servos.
August 2nd, 2007 I had 331 flights on my Spectra. Wow, that thing was like new almost, and almost 2 years old.

Now its close to 8 1/3 years old and more than 2000 flights later, at 2430 flights.

How time FLIES!

-=>Raja.

MA 1005 Hanson 280, 4196 flts
Spectra 27 3DMax, 3272 flts
Whiplash V1-2 Hanson 300, 1540 flts
Whiplash V2 Hanson 300, 380 flts

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HelicopterGasser Model RC HelicoptersOther › Fuel jug filter
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