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RE: Welcome to Club SAITO ! - 12/23/2011 12:21 PM   
Old Fart


 

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Status: offline 		Siggy can i have your saito club number? i feel the need to be famous somewhere in the universe..can you help

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RE: Welcome to Club SAITO ! - 12/23/2011 11:12 PM   
charlie1960


 

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RE: Welcome to Club SAITO ! - 12/25/2011 12:57 AM   
flycatch


 

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Status: offline 		Hi, I need some advice before I send a NIB Saito 220 back to Horizon. I posted a few days ago seeking advice on a different problem which was air bubbles in the line and the engine quitting going past 1/2 throttle. I'm using an Iron Bay regulator due to the tank being above the engine spray bar. The replies to this problem pointed torward the regulator being defective. This was not the case and I found the back plate of the stopper assembly in the fuel tank was stripped out and when screwing in the screw to expand the stopper it had nothing to adhere to. This made the whole assembly ineffective and air was leaking pass the stopper. I solved this problem by going to a coaser threaded screw and the air bubble problem dissappeared. Now I'm faced with a different problem. Once I go pass 1/2 throttle the engine backfires. H.S. needle valve is set at 4 turns out. I tried leaning it but the problem remains. Any suggestings would be appreciated.

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RE: Welcome to Club SAITO ! - 12/25/2011 1:42 AM   
Hobbsy



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Status: offline 		Is the regulator body within an inch of the spraybar? When I ordered my IronBay regulator John was concerned that the regulator might not heve the capacity to feed a 2.20, however the one I received did but would onlyy richen the rpm down about 100 rpm from peak which was OK since you can run right at peak with a regulator.

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RE: Welcome to Club SAITO ! - 12/25/2011 4:56 AM   
flycatch


 

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Status: offline 		I mounted the regulator body on the opposite side of the engine. The outlet on the regulator to the intake barb on the spray bar is about 3 inches. As I stated it works fine until I go above 1/2 throttle. If I understand you correctly you were told by the manufacture not to exceed 1 inch distance.

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RE: Welcome to Club SAITO ! - 12/25/2011 11:58 AM   
Hobbsy



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From: Colonial Beach, VA, USA
Status: offline 		Yes, both Cline and IronBay recommend an inch or less from the carb. They are demand regulators and the the closer to the demand the better. YS also has the bubble problem, that's the reason YS went to the dark blue fuel line from the regulator to the carb.

My suggestion is to call John at IronBay, he is friendly and easy to talk to.

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RE: Welcome to Club SAITO ! - 12/25/2011 1:21 PM   
RC Specialties


 

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Status: offline 		Hello Hobbsy,

Merry Christmas to you and all of the Club Saito members!

Jim

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RE: Welcome to Club SAITO ! - 12/25/2011 1:48 PM   
Hobbsy



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Status: offline 		Thanks Jim and the same to you and yours, I am currently finishing and old ACE 4-40 and have mounted and old Saito FA .40 with a TutboHeader on it. I'll post a couple of pics. later today.

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RE: Welcome to Club SAITO ! - 12/25/2011 3:41 PM   
RC Specialties


 

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Status: offline 		Great! I am looking forward to seeing it.

Jim

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RE: Welcome to Club SAITO ! - 12/25/2011 4:22 PM   
SigMan



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Status: offline 		hope my new RF 6 has a Saito in it it somewhere !

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RE: Welcome to Club SAITO ! - 12/25/2011 4:42 PM   
clytle374


 

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quote:

ORIGINAL: Hobbsy

Thanks Jim and the same to you and yours, I am currently finishing and old ACE 4-40 and have mounted and old Saito FA .40 with a TutboHeader on it. I'll post a couple of pics. later today.


Yeah, please post a picture of it. Been thinking since I saw your post about a guy at the field who had one, back in the 80s when I was learning. Miss that guy, taught me a lot. Merry Christmas everybody.

Cory


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RE: Welcome to Club SAITO ! - 12/26/2011 11:49 PM   
Hobbsy



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Status: offline 		Thanks Cory and Jim, I haven't taken the pictures yet because I decided to add the cowl cheeks which you have to make your self. I made a special one for the right cheek to make clearance for an extension on the TH inside the the cowl cheek. I glued the right cheek with 3 hour epoxy so it is weighted down till morning.

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RE: Welcome to Club SAITO ! - 12/27/2011 8:59 PM   
dasquirrelisme


 

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Status: offline 		What kind of mount do you guys use for a Saito 180? Would like to spend less than 40 bucks.

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RE: Welcome to Club SAITO ! - 12/27/2011 9:50 PM   
w8ye



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Status: online 		I've used two

The biggest Great Planes adjustable

And the big Hanger Nine aluminum that originally came on the 120 size Ultra Stick.



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RE: Welcome to Club SAITO ! - 12/28/2011 6:43 PM   
Hobbsy



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Status: offline 		The FA .40 is in there with the Turbo header and extension, its a very tight fit but the TH and the extensions clear by 1/8th" all around. Note vent attached to exhaust. Don't holler at me about the Sullivan Dyna Mount it works perfectly with the FA .40. Still in the rough.

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RE: Welcome to Club SAITO ! - 12/29/2011 8:27 PM   
mrwad


 

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Status: offline 		Hi all, Happy New Year !

Once again I turn to my fellow Club Saito members for some info. Does anyone know how much HP the Saito 100 flat twin makes ??

I have one in an ARF I am about to maiden and my fellow fliers are saying it makes only 1.0 hp. and it's kind of a "dog". I hope they are wrong on this.......Does anyone know the numbers on this engine ?

Thanks in advance, Don Club Saito Member #731

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RE: Welcome to Club SAITO ! - 12/29/2011 9:44 PM   
w8ye



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Status: online 		It doesn't make as much all out power as the Saito 100 single because of internal friction.

It does a nice job with a 14 X 6 prop though.


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RE: Welcome to Club SAITO ! - 12/29/2011 10:50 PM   
Old Fart


 

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Status: offline 		What type and size arf do you have it in?

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RE: Welcome to Club SAITO ! - 12/30/2011 2:43 AM   
earlwb


 

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quote:

ORIGINAL: mrwad
Hi all, Happy New Year !
Once again I turn to my fellow Club Saito members for some info. Does anyone know how much HP the Saito 100 flat twin makes ??
I have one in an ARF I am about to maiden and my fellow fliers are saying it makes only 1.0 hp. and it's kind of a "dog". I hope they are wrong on this.......Does anyone know the numbers on this engine ?
Thanks in advance, Don Club Saito Member #731


As mentioned already above, the twin cylinder engines do not make as much power as a single cylinder engine of the same displacement.  Some twins go for more displacement to compensate for the power difference making them equal or greater than a single. The engines are not "dogs", they are just different. it is difficult to impossible to get both cylinder tuned to be equal, so it is always a compromise based on the weaker cylinder. Plus the internal drag or resistances are greater too.  But a twin is much smoother running than a single with less vibration as the two cylinder tend to balance each other out.  The main reason to use a multi-cylinder engine is for more scale realism and maybe the sound too. So your twin 1.00 would be about equal to a single .90 or .91 engine.





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RE: Welcome to Club SAITO ! - 12/30/2011 3:28 AM   
w8ye



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Status: online 		The twins have a surprising amount of low end torque


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RE: Welcome to Club SAITO ! - 12/31/2011 6:46 AM   
Homer712


 

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From: New Market, MD, USA
Status: offline 		Boy do I feel like a "Johnny come lately." 849 pages here and I just finally get my FIRST (been flying r/c since the mid 1970's) Saito. Just picked up an FA-62 which I plan on installing in a Sig 1/5 Cub which will be a winter build (the things you find time for once retired). To date everything I've flown has been 2-stroke. Mostly old Italian Super Tigre and Evolution, one OS and a few Thunder Tigers, which I'm really fond of. I've got the Saito mounted to a home made test/break-in stand I've used for years and if the weather holds out tomorrow I hope to put a couple of tank fulls through the engine. Then they suggest that I adjust the lifter gap (that's what it's called, right?). Problem is that the little packet in box that had the little tools in it contained everything but the feeler gauge. Any suggestions? I've still got feeler gauges from back when we use to adjust our own spark plug and distributor gaps (if you're under 40 you wouldn't understand). Would those work just as well?

Anyway, thanks to all for all the great Saito information. Now I need to get back to reading. Still have 654 more pages to go!


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RE: Welcome to Club SAITO ! - 12/31/2011 1:08 PM   
charlie1960


 

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Status: offline 		yes they will work fine.
if their not so big that they get in your way....


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RE: Welcome to Club SAITO ! - 12/31/2011 6:07 PM   
blw



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Status: offline 		By all means use your feeler gauges. That is better than the little tool. Welcome to the world of Saitos. I'll get you a club number when I get back home.

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RE: Welcome to Club SAITO ! - 12/31/2011 6:42 PM   
g_mkoch


 

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From: Houston, TX, USA
Status: offline 		Hello

I need some help with a saito 72.  When running it on idle I put it at 2400 rpm but then the rpms start to pick up to 2900 and back down, the engine keeps going up and down at indle. runs perfect at full throttle but can't keep a steady idle. fuel is powermaster ys/saito 20/20 and there are NO air bubbles in the fuel line.

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RE: Welcome to Club SAITO ! - 12/31/2011 8:09 PM   
w8ye



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Status: online 		There is an air leak between the intake manifold and the cylinder head.

You need a new crankcase back plate and a new O-ring on the intake manifold at the cylinder head


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