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Welcome to Club SAITO !

Old 08-08-2012, 05:50 PM
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ORIGINAL: sbd-3

I have a question about a satio 50,the intake manifold were it goes into the head how does it seal into the head???? I found the o-ring in the carb that seals the lower end of the int. but i cant see anything in the head???? What am i missing????

There's an "O" ring there. In fact, when I opened a gasket kit for my FA91S the "O" ring for the top of the manifold where it enters the head was in a separte bag & marked "Viton/high temperature".
Old 08-08-2012, 05:51 PM
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We use coolpower here in Oz in vintagents and no one complains, me I haven't had any probs, likewise both SIG and Byron fuels which I used in Malaysia and the various clones (factory mix) here in OZ.  Correct viscosity for the application is more important than brand names me thinks and now back to the castor press for some oil for the diesels 
Old 08-08-2012, 06:49 PM
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The upper Viton O-ring goes right behind the black washer, its silver on yours and black on the .62. The .40a has a seal unique to itself.
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Old 08-08-2012, 06:49 PM
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Default RE: Welcome to Club SAITO !

ORIGINAL: Sharpeye22

Please read his post again. He stated that after a 14 year storage he put the engine in a plane and shortly after that he crashed the plane straight in at full throttle. That would make for possible engine damage. Would you not say?
<br type=''_moz'' />

Well I'm glad you took the time to read (and understand) my post in it's entirety & didn't jump on the anti Cool Power bandwagon.

5 stars for that.
Old 08-08-2012, 06:53 PM
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here she is, she is ready to fly, possibly tomorrow, weather permitiing. saito fa125 a on a GP revolver.
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Old 08-08-2012, 06:57 PM
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SBD, one other thought, when installing the intake pipe, place the upper O-ring in the indentation that is machined for it, then push the pipe through the O-ring. You'll never get the O-ring into place with the pipe in it.
Old 08-08-2012, 07:01 PM
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Very nice Dr. now all you need is a TurboHeader with its 90 degree adapter to compact that exhaust.
Old 08-08-2012, 07:06 PM
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hmm, dont know what that is, i will look it up, is it something for sound purpose, or for performance or for aesthetics?
ORIGINAL: Hobbsy

Very nice Dr. now all you need is a TurboHeader with its 90 degree adapter to compact that exhaust.
Old 08-08-2012, 07:16 PM
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It is a compact tuned chamber that on all but the 1.25 enhances the performance by 210 to 300 rpm depending on which Saito. The have a cool sound and are easy to hide. RCSpecialties is a sponsor here and here is one a Saito .62, as you can see it could be pointed several directions. THis other on e is on an old Saito FA .40 and an ACE 4-40. A work in progress, slow.

http://rcspecialties.net/
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Old 08-08-2012, 08:37 PM
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A couple of Harley's were mentioned so here's my chance..... to show you my latest fine art Harley photograph! I do a lot of photography and when I went to the national drag races last weekend I actually spent more time in the motorcycle parking lot than near the drag strip.

Ernie Misner

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Old 08-09-2012, 02:36 AM
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ORIGINAL: Sharpeye22

Please read his post again. He stated that after a 14 year storage he put the engine in a plane and shortly after that he crashed the plane straight in at full throttle. That would make for possible engine damage. Would you not say?
<br type=''_moz'' />
I stand corrected.....still not going to use Cool Power.
Old 08-09-2012, 03:30 AM
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just ordered it, thanks for advice. they make those right here in my state, zachary , la
Old 08-09-2012, 03:39 AM
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In this picture you see a Sullivan Soft Mount, it was a short lived brain storm. I thought because the FA .40 was so smooth running I could use the soft mount, no way. As Harry Lagman used to say, "that thing shook like a dog passing a peach pit" tortional impulses of course. It now sits in Hangar 9 nylon mounts.
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Old 08-09-2012, 03:41 AM
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Dr. Jim is a great guy, he may very well respond to your post.
Old 08-09-2012, 04:21 AM
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Thanks for the o-ring help..... one question though,the metal ring on the intake tube is loose.... its off the tube now i do have it... is it suppose to be loose or do i have a issue with the intake tube?????...THANKS AGAIN
Old 08-09-2012, 04:53 AM
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Just so it won't slide over these three little bumps or raised portion of the pipe which ever yours has.
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Old 08-09-2012, 05:47 AM
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Thanks Hobbsy that makes me understand it now... THANKS AGAIN
Old 08-09-2012, 06:08 AM
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As Lawrence Welk would say, you are mosa velcome.
Old 08-09-2012, 01:18 PM
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Great. Now "Toorn Offe De Booble Macheen".
Old 08-09-2012, 03:49 PM
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I started bashing a mostly built Sig Somethin Extra for a Saito 72 that needs a home. Somebody gave the kit to me. Took a small hammer and knocked out the firewall and oversized servo tray. I am lengthening the nose by an inch and adding at least another 2 inches on the tail. I will remake the rudder and elevators with counterbalances. I also cut down the front fuselage top for a hatch from the firewall back to the turtledeck. I need to raise the engine as much as possible to make room for a 13x6 APC.
Old 08-09-2012, 04:50 PM
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ORIGINAL: smkrcflyer

I have an issue with the 120 I‘m working on. I put new bearings in and reassembled the engine. I adjusted the rockers for 0.002 clearances. The crankshaft is difficult to turn but if I back off on the cam cover bolts it becomes easer but still not what it should be. I did put the cam gasket in. It seems like the cam gear and crankshaft gears are jamming together. Has anyone had this type of problem?
I final got my Saito 120 fixed. The problem turned out to be the new bearing I purchased. I got another new stock Saito bearing from Horizon and installed it and the engine is a smooth as can be. I put it back in the plane and flew it last night. The engine ran good and had better power and did not leak any fuel.
Old 08-09-2012, 05:38 PM
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just came back from the maiden flight.  flew the revolver with the saito 125, using 15% nitro with synthetic 18%.  the first flight, about 4 minutes into flight, the engine turned off.  the baby can glide, landed it great, dead stick, brought it back, and turned it on again, then i tried to tune it, i turned needle in 3/4 turn, then engine began to decrease rpm, so then from that point, i was able to turn needle out 1/2 turn, and then, it had great throttle response, and i flew her again.  by 4 minutes into flight, engine began to lose power, so i landed it again.  i then flew my GP yak, with an os 3500 and perry pump,  flew her three times.  don't know what is up with the saito.  the glow plug is brand new, and it is saito plug.  the engine has now had about 5 tanks of fuel flow thru.
Old 08-09-2012, 06:19 PM
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It is going lean as the tank empties, set the HS needle about 300 rpm rich of peak rpm or better yet about 150rpm rich of peak with the tank half empty.
Old 08-09-2012, 06:42 PM
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hi, thanks Hobbsy, however, tank was 2/3 full when it landed. do you think maybe it still needs to be broken in, or maybe, it is overheating? the temp was 99 and i am 70 feet above sea level, and wind was 8 mph today. how do you feel about using a perry pump?
Old 08-09-2012, 06:51 PM
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I personally am not a fan of Perry pumps but others love them. I am a fan of the Cline regulator which will let your enginj run exactly the same from full tank to empty no matter where you put the tank. In fact it will save you some fuel as you won't have to run it so rich at the beginning of the flight. Uh oh, I'm spending your money for you again. Others will agree that the Cline regulator or the IronBay are great remedies for poor tank position.

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