Fuel Tank positioning on a Saito 1.20  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Fuel Tank positioning on a Saito 1.20
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Fuel Tank positioning on a Saito 1.20 - 3/13/2002 6:19:49 PM   
Dazzler



Posts: 1471
Joined: 1/5/2002
From: Bedford Heights, OH, USA
Status: offline 		In a airplane I have, I am mounting the fuel tank about 6 inches behind the firewall. Do you think this will be a problem with fuel draw, or do I need a fuel pump for this little distance? Thanks, Daz...
       Post #: 1

Fuel Tank positioning on a Saito 1.20 - 3/13/2002 6:40:21 PM   
SMALLFLY-



Posts: 2150
Joined: 12/9/2001
From: Evansville, IN, USA
Status: offline 		Just guessing but your probably right on the line. If extended verticals or blenders are in it's future I would use a pump, or get the tank an inch or 2 closer. My 120 on my Bipe is probably about 1-2" behind the firewall with no problem, but 6" plus another 3" from firewall to carb is a long way

(in reply to Dazzler)
       Post #: 2

Fuel Tank positioning on a Saito 1.20 - 3/14/2002 6:33:36 PM   
jaka


 

Posts: 4538
Joined: 12/11/2001
From: Upplands Vasby, SWEDEN
Status: online 		Hello!
Why do you have to mount the tank so far away from the firewall??
In opylonracing we use the Bubbleless Tettra fueltanks sold by Dave Shadel in Nevada.(US YS importer)
These tanks could be mounted several inches from the firewall without difficulties!!
These Tettra tanks are by far the best fueltanks on the market, try one! They are expensive though!

Regards!
Jan Karlsson
Sweden

_____________________________

Jan Karlsson Airracing products
MVVS, Motul "Micro" all synthetic oil

(in reply to Dazzler)
       Post #: 3

Fuel Tank positioning on a Saito 1.20 - 3/14/2002 9:58:48 PM   
Dazzler



Posts: 1471
Joined: 1/5/2002
From: Bedford Heights, OH, USA
Status: offline 		This plane is an ARF, and comes with a round 10oz tank, so I was going to put a 16oz tank inside, the former the tank is supposed to go through is perfectly cut out for this 10oz round tank. I didnt want to open that former up to much, so I was just going to mount the 16oz fuel tank just behind the former. I remeausured it, and the fuel tank will actually be 3 inches behind firewall, which I think it should be fine. Also I'm installing a 1.20 4 stroke in a 60 size plane, so I think the fuel tank being a little further back might help me in the balancing process. Is 3 inches Ok?, and the carb is right in front of firewall by about an inch. Daz...

(in reply to Dazzler)
       Post #: 4

Fuel Tank positioning on a Saito 1.20 - 3/15/2002 1:59:02 PM   
jaka


 

Posts: 4538
Joined: 12/11/2001
From: Upplands Vasby, SWEDEN
Status: online 		Hello!
Just cut away the former with a Dremel using a drumsander.7,5cm (3 inches) could effect the engine behaviour!


Regards!
Jan K
Sweden

_____________________________

Jan Karlsson Airracing products
MVVS, Motul "Micro" all synthetic oil

(in reply to Dazzler)
       Post #: 5

Fuel Tank positioning on a Saito 1.20 - 3/15/2002 5:17:34 PM   
Dazzler



Posts: 1471
Joined: 1/5/2002
From: Bedford Heights, OH, USA
Status: offline 		Jaka, I have 2 strokes that have 3 inches between the firewall and the carb, and they work fine. Fortunately my 4 stroke carb is just in front of firewall. the only gap will be from tank to carb is about 3.5 inches.Daz...

(in reply to Dazzler)
       Post #: 6

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