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RE: Welcome to Club SAITO ! - 5/6/2008 3:29:38 AM   
s10junky83


 

Posts: 20
Joined: 9/14/2007
From: Shipman, IL, USA
Status: offline 		I had this same problem above half throttle on a 100. It was the brass tube on the feual tank cut a small hole in the carb feed line and the motor was starved for fuel after a certain point!!!!


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Club Saito Member# 581
AMA# 888604

(in reply to Ed Cregger)
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RE: Welcome to Club SAITO ! - 5/6/2008 12:51:03 PM   
fredira


 

Posts: 25
Joined: 1/18/2006
From: saint joseph, MO, USA
Status: offline 		I have a question for anybody that will help.
How much thrust does a Saito .56 have?
It is the newer one. I have a Edge 540 with a all up weight
of 5.5 lbs. What do I need for a prop to make this engine
hover this plane? Or is it to small. Any advise would be great.
Thanks Fred

P.S If any body knows please let me know.
Thanks again

(in reply to s10junky83)
       Post #: 10602

RE: Welcome to Club SAITO ! - 5/6/2008 2:16:06 PM   
w8ye



Posts: 16991
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		You need an Saito 82 to be assured the plane is going to hover

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I've attended the CutFinger Institute of DirtNap University for years but never did graduate....

Club Saito Member #7
Original AMA #31261

(in reply to fredira)
       Post #: 10603

RE: Welcome to Club SAITO ! - 5/6/2008 9:11:53 PM   
fredira


 

Posts: 25
Joined: 1/18/2006
From: saint joseph, MO, USA
Status: offline 		Thank you.
Also do you know what prop I should run on it?

(in reply to w8ye)
       Post #: 10604

RE: Welcome to Club SAITO ! - 5/6/2008 9:17:23 PM   
Michaelh


 

Posts: 312
Joined: 6/19/2005
From: Hampton, VA, USA
Status: offline 		I run a 14x4w on my .82a does a great job 3din , I posted a video a page back that plane is flying with an .82a with a MAS 14x6.

My Extra is 5lbs 6oz dry (300cc) and vertical is unlimited just a hair above half throttle.

Awsome little powerplant!

Mike.

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More info on Saito's http://saito-engines.info/
Club Saito #542

(in reply to fredira)
       Post #: 10605

RE: Welcome to Club SAITO ! - 5/6/2008 9:42:34 PM   
fredira


 

Posts: 25
Joined: 1/18/2006
From: saint joseph, MO, USA
Status: offline 		Thank you very much.
You have been so helpful !

(in reply to Michaelh)
       Post #: 10606

RE: Welcome to Club SAITO ! - 5/7/2008 1:48:25 AM   
alfredbmor



Posts: 901
Joined: 6/1/2005
From: El Paso, TX, USA
Status: offline 		I want to share something that happened to me last Sunday:
I have a Venus 40 plane which had a Saito 72 (I had some death sticks) I changed the engine and bolted my Saito 82 and flew it last Sunday. I had three death sticks on my three flights.
Some fellows came to me to see what was happening some of them telling what I should do to avoid the engine from stopping.
After some research the result is that the tank is a bit higher than the center of the carburetor, no problem and I will fix it soon.

But what resulted in a very interesting comment is what I want to share.

A very close friend of mine (Good experienced pilot, builder and skilled with the engines) came to me and, not knowing about the tank issue told me that the engine was overheating and that was the cause of the death sticks (Yes the engine was overheating), then told me that I could manage set the valves in different manner to avoid the overheating situation.
Here is where I need you opinion.
My friend said that I should open the gap of the intake by two points (or half more the stock) in example:
Gap recommended by the manufacturer is .004 inches
My friend suggests .006 inches

Also told me, that the exhaust valve should be twice the recommended gap. Example:
Gap recommended by the manufacturer is .004 inches
My friend suggests .008 inches.

The effect of opening the valves is letting in more fuel and assures that all exhaust is off the engine before the new stroke which would lead to a cooler operating engine.

So what do you all guys think about this?


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Saito Club Member

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       Post #: 10607

RE: Welcome to Club SAITO ! - 5/7/2008 2:04:58 AM   
Ken6PPC


 

Posts: 621
Joined: 6/20/2006
From: Hamilton, OH, USA
Status: offline
quote:

ORIGINAL: alfredbmor

I want to share something that happened to me last Sunday:
I have a Venus 40 plane which had a Saito 72 (I had some death sticks) I changed the engine and bolted my Saito 82 and flew it last Sunday. I had three death sticks on my three flights.
Some fellows came to me to see what was happening some of them telling what I should do to avoid the engine from stopping.
After some research the result is that the tank is a bit higher than the center of the carburetor, no problem and I will fix it soon.

But what resulted in a very interesting comment is what I want to share.

A very close friend of mine (Good experienced pilot, builder and skilled with the engines) came to me and, not knowing about the tank issue told me that the engine was overheating and that was the cause of the death sticks (Yes the engine was overheating), then told me that I could manage set the valves in different manner to avoid the overheating situation.
Here is where I need you opinion.
My friend said that I should open the gap of the intake by two points (or half more the stock) in example:
Gap recommended by the manufacturer is .004 inches
My friend suggests .006 inches

Also told me, that the exhaust valve should be twice the recommended gap. Example:
Gap recommended by the manufacturer is .004 inches
My friend suggests .008 inches.

The effect of opening the valves is letting in more fuel and assures that all exhaust is off the engine before the new stroke which would lead to a cooler operating engine.

So what do you all guys think about this?




I think that a larger gap results in opening the valves LESS than a smaller gap. I don't think this is a good idea at all!

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Club Saito Member #370
AMA #853194

(in reply to alfredbmor)
       Post #: 10608

RE: Welcome to Club SAITO ! - 5/7/2008 2:37:16 AM   
otrcman


 

Posts: 77
Joined: 10/11/2004
From: Arroyo Grande, CA, USA
Status: offline 		I just bought a new rear bearing for my Saito 80. Need advice on the best way to install the bearing in the case. Also, I've noticed that the old bearing is unshielded, whereas the new bearing is shielded on both sides. Is this just a running design change or are there two different bearings depending on engine series?

By the way, Horizon was friendly, helpful, and very fast on delivery.

Thanks in advance,

Dick Fischer

(in reply to Ken6PPC)
       Post #: 10609

RE: Welcome to Club SAITO ! - 5/7/2008 2:46:35 AM   
AJsToyz



Posts: 663
Joined: 2/13/2006
From: Maybee, MI, USA
Status: offline 		Usually if the engine is running pretty good the valve lash would not be an issue. If you are worried about the valves , run the engine , get it good and hot , then remove the exhaust cover and re-check the valve lash. If there is still a little there when the engine is hot , it is fine. Heat is usually generated by running lean , back to the fuel issue. I would check the tank , make sure the lines do not have any pin holes. I had one plane that had a pin hole inside the tank , replaced the fuel line , it was fine.

Andy

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Club Saito member #590

(in reply to alfredbmor)