Pumping gas into your model - how do you do it?  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Gas Engines >> Pumping gas into your model - how do you do it?
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Pumping gas into your model - how do you do it? - 7/16/2008 6:34:38 AM   
AlphaWhisky


 

Posts: 419
Joined: 12/9/2001
From: Tauranga , NEW ZEALAND
Status: offline 		I have only one large gas powered model in my fleet and our local strip is too small to operate it from. Consequently this model spends plenty of time not being flown.

Last time out the tygon type fuel lines seemed to have hardened - it`s also winter time - and I had a frustrating time delivering gas from my ground supply into the aircraft tank.

My method used to date is to carry a small quantity of fuel mix , say half gallon, in a gasoline approved container of the type you might use for your motor mower. That container has a tyre valve installed and I lightly pressurise the tank using my 12 volt retract compressor pump. There is a motor mower type fuel cock installed into the delivery line to readily stop the delivery flow when required. It also keeps the ground supply tank pressurised.

At least that is the theory. This system worked fine when it was regularly used in summertime, when the warmer air temperatures kept the tygon lines flexible.

Last time out it suffered to air and fuel leaks at various connections, I`m sure the hardened tygon lines had a lot to do with it, and generally drove me nuts.

There`s gotta be a better way....? I haven`t yet found a manual gear pump that is approved for use with gasoline. How do you experts fuel up your gas powered models?

Alan W







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From Tauranga - in the aptly named Bay of Plenty.
       Post #: 1

RE: Pumping gas into your model - how do you do it? - 7/16/2008 6:40:15 AM   
DMcQuinn



Posts: 1560
Joined: 1/9/2002
From: Chesterfield, MO, USA
Status: offline 		I use a manual pump that is certified for gasoline. I think it was less than $20. It is very similar to the popular pumps sold for glow fuel, but this one is OK for gasoline.

(in reply to AlphaWhisky)
       Post #: 2

RE: Pumping gas into your model - how do you do it? - 7/16/2008 6:46:16 AM   
AlphaWhisky


 

Posts: 419
Joined: 12/9/2001
From: Tauranga , NEW ZEALAND
Status: offline 		Can you please specify the make and a supplier - I haven`t been able to source one down here in New Zealand.

Alan W

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From Tauranga - in the aptly named Bay of Plenty.

(in reply to DMcQuinn)
       Post #: 3

RE: Pumping gas into your model - how do you do it? - 7/16/2008 7:02:28 AM   
aussiesteve


 

Posts: 1072
Joined: 10/12/2005
From: TEDA (Tianjin)Tianjin, CHINA
Status: online 		http://www.himodel.com/engines/PROLUX_Fast_Fueller_Hand_Fuel_Pump_1652.html

I use these ones over here for both Glow and gasoline fuel.

I would be surprised if they weren't available in NZ. - Look for a stockist that has the Prolux brand.

You can also get gasoline tubing for "six shooter" pumps. I don't know what size tank you are using but they are ok for the smaller sizes of tanks (up to 50cc engines). I used one of those for a while when my largest plane was a 50cc'er

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RCGF engines & Boxes, 33RC airframes, Tzone models, Super Kraft (SK) & others

(in reply to AlphaWhisky)
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RE: Pumping gas into your model - how do you do it? - 7/16/2008 7:55:07 AM   
bjor



Posts: 144
Joined: 10/31/2005
From: Brisbane, AUSTRALIA
Status: offline 		Look for a Dave Brown six shooter.
http://www.dbproducts.com/store/shtr.htm
They make a gas and glow model - don't get them mixed up. You should be able to get them from you LHS. Replace the tygon you have with a domistic style fuel tube available from most mower shops. From what i've experienced so far it does not go hard or brittle over time. I also use a Dubro filling cap that I have installed onto the top of a plastic 5 litre fuel can.
http://www.hobbyoutlets.com/store/hobby/807-dubro-kwik-fill-fuel-can-fitting.html
Its a K.I.S.S system and never fails.

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If you have to bend over more than once to pick it up - it was a bad landing

(in reply to aussiesteve)
       Post #: 5

RE: Pumping gas into your model - how do you do it? - 7/16/2008 1:51:30 PM   
AirWizard



Posts: 986
Joined: 4/23/2004
From: Coffeyville, KS,
Status: offline 		This line doesn't harden like Tygon and is for gas engines

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXRZ80&P=ML

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David
____I'm having a Yak Attack_____

(in reply to bjor)
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RE: Pumping gas into your model - how do you do it? - 7/16/2008 1:57:23 PM   
fancman


 

Posts: 1266
Joined: 11/21/2002
From: N. Charleston, SC, USA
Status: offline 		http://www.slimlineproducts.com/online_shop/m1_gas.htm

(in reply to AlphaWhisky)
       Post #: 7

RE: Pumping gas into your model - how do you do it? - 7/16/2008 2:23:00 PM   
arobatx


 

Posts: 1617
Joined: 1/18/2006
From: Kalona, IA, USA
Status: offline 		Here's another option for a gas/glow compatible pump:

http://www.horizonhobby.com/Products/Default.aspx?ProdID=HAN155

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Chad

(in reply to fancman)
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RE: Pumping gas into your model - how do you do it? - 7/16/2008 2:29:16 PM   
larry@coyotenet


 

Posts: 199
Joined: 2/25/2003
From: pueblo, CO, USA
Status: offline 		Everyone in our club uses a 12 volt car pump attached to their gas box and powered with a standard hobby battery. It is a little slower than the hand pump but sure a lot easier on the old muscles! Mine is off of a Japanese car, Nissan I think but others use an aftermarket electric fuel pump by Purolator. You have to make an adaptor for the inlet and outlet out of brass tube but its no big deal and you get to use the car filter which is much better than any model filter.
Larry

(in reply to arobatx)
       Post #: 9

RE: Pumping gas into your model - how do you do it? - 7/16/2008 4:00:15 PM   
Whistling Death


 

Posts: 1070
Joined: 3/1/2006
From: Alexander City, AL, USA
Status: offline 		I use this one http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXJGS5&P=0 with just a regular gas can.
I don't have a plane with a tank larger than 24 oz. so it works great for me.

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(in reply to larry@coyotenet)
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RE: Pumping gas into your model - how do you do it? - 7/16/2008 4:27:29 PM   
Truckracer


 

Posts: 567
Joined: 4/3/2004
From: Des Moines, IA, USA
Status: offline
quote:

ORIGINAL: Whistling Death

I use this one http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXJGS5&P=0 with just a regular gas can.
I don't have a plane with a tank larger than 24 oz. so it works great for me.


After having problems with so many different types of electric powered pumps over the years .... and seeing others have similar problems, I use hand cranked pumps exclusively. Lately, I've used the Hanger Nine pump and it works flawlessly, lasts a long time and will be cheap to replace when it does go bad. I'm sure these pumps are similar to many other imported hand cranked pumps. If you use large ID fuel lines, the pump rate is quite acceptable. Now if I was filling large turbine tanks, I might feel differently. But for tanks up to 32oz, hand cranking works for me.

(in reply to Whistling Death)
       Post #: 11

RE: Pumping gas into your model - how do you do it? - 7/16/2008 4:41:31 PM   
OldRookie


 

Posts: 637
Joined: 12/11/2001
From: Prior Lake, MN, USA
Status: offline 		If you would like an electric fuel pump for gasoline, here are two of the better alternatives.


http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXDJR7&P=ML

http://www.smartcart.com/greylor7/cgi/display.cgi?item_num=PQ-12

On the Greylor pump I am pretty sure you want to order the #001-120000, but you can always call to make sure.

Greg

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(in reply to AlphaWhisky)
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RE: Pumping gas into your model - how do you do it? - 7/17/2008 12:29:08 AM   
aussiesteve


 

Posts: 1072
Joined: 10/12/2005
From: TEDA (Tianjin)Tianjin, CHINA
Status: online 		If you look at the Prolux, Hangar 9, DuBro and Slimline pumps - you might notice some similarities with them - they are the same pump.

The reason I point that out is simple - they are all well known and well stocked brands in the hobby Shops - I am sure that the shops near you would stock, or be able to get in, one of them. It may be that they already have them in stock but it wasn't clear that they are gasoline compatible. I have used (abused) one of those pumps for over 2 years on both Gas and Glow fuels (yes - the same pump for both fuels) it is still going strong.

For the tip on the replacement tubing - I couldn't agree more with bjor's comment about the domestic fuel tubing from the mower shop. I've used it here where it gets similarly cold (f-f-f-f-freezing) to where you live and in Oz (where life is wonderful all of the time) and never had a problem with it.



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Australian agent for
RCGF engines & Boxes, 33RC airframes, Tzone models, Super Kraft (SK) & others

(in reply to OldRookie)
       Post #: 13

RE: Pumping gas into your model - how do you do it? - 7/17/2008 4:17:29 AM   
Flypaper 2



Posts: 4308
Joined: 3/29/2002
From: Kingston, ON, CANADA
Status: offline 		I went to the auto wreckers and got a diaphram type fuel pump from a Peugot car. Fuel line is Vinlon brand fuel line used for primer line for snow machines.

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Gord
Dreamed I was a muffler. Woke up exhausted.

(in reply to aussiesteve)