Saito 180 Fuel line question? (Full Version)

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ShortField -> Saito 180 Fuel line question? (4/29/2008 4:06:21 PM)

I've been flying since the mid 60's so I've got some experience [8D] All of my engines until this last winter has been size 1.20 and smaller, all though I do have one gasser. I now have a Saito 1.80 and the first thing I did was to put new ceramic bearings into it and it run flawlessly [:)] All of my other engines are run on medium size fuel lines except the gasser. The 1.80 has large fuel lines on it and like I said it runs so far flawlessly.

My question is can you run a large 1.80 on medium size fuel line without any problems?

I've been hearing from some people that you can run a medium size fuel line on a 1.80 and you won't have any problems. I have not tried it yet but am thinking that the next time I have the cowling off I might switch the lines and run it on the ground and test it. Just another thought that a medium size line may or may not be the issue of some problems that others are having if there are running to small of a fuel line.

Any input or thoughts from others? [8D]



Edwin -> RE: Saito 180 Fuel line question? (4/29/2008 4:33:58 PM)

I've run medium on my 180. Its not in a plane now but I dont remember having any problems. I run 10% 2-stroke fuel. I have found that tank placement is pretty important. I have a little more leeway with a 16oz tank in height placement, reduced head pressure. A 24oz tank creates a lot of head pressure.
Edwin



rexracer -> RE: Saito 180 Fuel line question? (4/29/2008 5:19:31 PM)

I run medium on my 1.80. I haven't maidened yet, but it runs great on the test stand. I'm using a Cline regulator and it really likes the steady fuel pressure. Without the regulator, on the test stand with medium fuel line from clunk to engine it ran fine, and if I richened the needle at full throttle I could easily get it to spit tons of raw fuel out of the exhaust, so I don't see the medium line being a restriction.



daveopam -> RE: Saito 180 Fuel line question? (4/29/2008 8:54:57 PM)

I run medium on mine. I do however use a Cline Reg on it. I think it would also depend on how you fly it. If you are running WOT all the time it might be a good idea to use the large.

David



ShortField -> RE: Saito 180 Fuel line question? (4/29/2008 11:34:35 PM)

I don't fly with WOT especially with a 180 [)] it's on a Hanger 9 182 Cessna and I fly it scale, ease rolls and loops and invert. I only need half throttle for takeoff. I will however do a WOT in short burst but for the most time it's halfway. It seem to me that it's a 50/50 thing about large vs. medium fuel lines [:)] I am going to try medium lines like I said the next time I put the cowling.
I do appreciate everyones response [:D]



mofosheee -> RE: Saito 180 Fuel line question? (5/3/2008 8:55:07 AM)

I run medium on mine as well, no problems. Good call on the ceramics, I replace mine before they failed. Use fuel with castor.
Happy flying



carrellh -> RE: Saito 180 Fuel line question? (5/3/2008 2:03:47 PM)

If it is already set up, and running flawlessly, why would you want to change anything?



ShortField -> RE: Saito 180 Fuel line question? (5/3/2008 9:12:48 PM)

carrellh I buy all of my fuel lines in bulk, 50 feet at a time, it's cheaper [:D] Now if I have to buy a different size of fuel line, I would be buying it in 3 foot lengths, which is no big deal. I'm not going to buy a 50 foot roll just for one plane. Anyways it would be easer for me if I only have to buy one size of fuel line instead of buying two [:D]

If running medium lines on a Saito 1.80 will work without any problems I'll change them then [)]



planebasher -> RE: Saito 180 Fuel line question? (5/3/2008 9:57:01 PM)

What you really need is a Glow Fuel Credit Card I had one on a US 120, and it gulped the fuel. Lucky to get a 7 minute flight.



ShortField -> RE: Saito 180 Fuel line question? (5/3/2008 11:25:24 PM)

[:)] I know what you mean by gulping the fuel down. I've got a 24oz tank on my 1.80 and if I run it WOT it only takes 13 minutes to run it empty [:D]



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