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Welcome to Club SAITO !

Old 06-05-2010, 07:40 PM
  #17601  
Hobbsy
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Default RE: Welcome to Club SAITO !

Thanks Al, I grew up in Hookstown about 24 miles from you, that makes the second high compression .80 I have and I also have a very early High compresion 1.50
I ran the new, ( to me anyway) .80 today, I tried a Graupner 12.5x6 first and a MasterAirscrew K-13x6, by the way it came with my favorite plug a Fox Miracle Plug. The tiny O-ring in the end of the spraybar was missing so I installed one.
Fuel===WildCat 15% 2/4 stroke fuel
Graupner 12.5x6======10,550 rpm
MA K prop 13x6=======10,150
I used a later model muffler like the .91s came with, the thin walled aluminum cans.
It runs really well, I may upgrade the spraybar to the later spraybar.

Jim, The engine has a Q on the right mounting lug.
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Old 06-05-2010, 08:12 PM
  #17602  
w8ye
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Default RE: Welcome to Club SAITO !

And you say it seems like a high compression one?
Old 06-05-2010, 09:33 PM
  #17603  
Hobbsy
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It sure does, the compression stroke is really hard and you better not be slow getting your fingers out of the way when it goes over tdc.
Old 06-05-2010, 09:45 PM
  #17604  
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Default RE: Welcome to Club SAITO !

Anybody have fuel consumption charts for saito engines primarily the 180 and 220 engines.Thanks Mitch
Old 06-05-2010, 09:49 PM
  #17605  
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Default RE: Welcome to Club SAITO !

Anybody have fuel consumption charts for saito engines primarily the 180 and 220 engines.Thanks Mitch

Read more: http://www.rcuniverse.com/forum/m_33...#ixzz0q2ee2v2x
Old 06-05-2010, 11:02 PM
  #17606  
Geebeefanatic
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Default RE: Welcome to Club SAITO !

Hello Saito lovers. Have 2 saito 56's on a small 1/12th scale B-2 and 2 180's on my new 1/8th scale B-2. Running great. Many hours of enjoyment on the smaller 2 and 16 flights so far on the 180's.
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Old 06-05-2010, 11:17 PM
  #17607  
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Default RE: Welcome to Club SAITO !

I got an email from horizon hobby saying that my gold plated saito 30 is on its way to my house. So we shall see what it looks like maybe in a few days to a week.
Old 06-05-2010, 11:18 PM
  #17608  
mike early
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Default RE: Welcome to Club SAITO !


ORIGINAL: promod1

Anybody have fuel consumption charts for saito engines primarily the 180 and 220 engines.Thanks Mitch


A good starting point:
Old 06-06-2010, 07:32 AM
  #17609  
ralphp
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Default RE: Welcome to Club SAITO !

What is the deal with the 180 s. I have a brand new one in the box that I have listed three times for sale, have had several hundred views, and not one offer. Are they that unpopular that nobody wants one? Is three hundred too much? Please help
Old 06-06-2010, 07:39 AM
  #17610  
bandit409
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Default RE: Welcome to Club SAITO !

Has anyone ever taken the head temperature of a Saito 82. What should the temperature be using a infrared thermometer?
Old 06-06-2010, 08:02 AM
  #17611  
Cherokee Flyer
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Default RE: Welcome to Club SAITO !

Yes, $300 is way to high to start.

L.
Old 06-06-2010, 08:11 AM
  #17612  
blw
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Default RE: Welcome to Club SAITO !

10 cc equals .3 oz

The .56 would burn .6 oz a minute

The .82a would burn 1 oz a minute
Old 06-06-2010, 08:13 AM
  #17613  
w8ye
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Default RE: Welcome to Club SAITO !


ORIGINAL: ralphp

What is the deal with the 180 s. I have a brand new one in the box that I have listed three times for sale, have had several hundred views, and not one offer. Are they that unpopular that nobody wants one? Is three hundred too much? Please help
The price of glow fuel is the problem. For this size engine, people have gone to gasoline two stroke engines.

Old 06-06-2010, 08:19 AM
  #17614  
JohnB96041
 
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Default RE: Welcome to Club SAITO !

Can a Saito 1.80 be converted to gas? If so, what is the process?
Old 06-06-2010, 11:03 AM
  #17615  
RC-Bearings
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You would have to eliminate any parts that are not gas-tolerant, such as any silicone parts. You would have to adapt a gas carb such as a Walbro. You would also need an ignition unit and spark plug. Compression would also have to be adjusted for gas.
Old 06-06-2010, 11:42 AM
  #17616  
w8ye
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It requires a special Saito carb desined for four strokes such as a WT-456 or the WYD
Old 06-06-2010, 12:48 PM
  #17617  
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Default RE: Welcome to Club SAITO !

There are threads on converting these, do a search. Generally speaking it is not a cost effective approach to getting a gasser with that performance envelope. I also have a 180 and am considering the conversion to gas, or maybe gas/glow, or trying it on low nitro or no nitro FAI fuel. I already have an electronic CDI and likely a carb that will work, but am undecided what to do with it. The special carb requires an opposite pulse to drive the pump diaphram and a return spring to drive the diaphram back. And the gas needs to have the same oil content as glow fuel unless you put needle bearings in the connecting rod ends. And it will not be as powerful on gas as it is on glow. Lots of issues to consider. I really don't yet know what will work for me.

Sincerely,

Richard
Old 06-06-2010, 01:03 PM
  #17618  
winglift
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Saito 100 still hard to start. I replaced the vent tube in the tank and checked for any kinks in the lines and also lowered the tank so that the top is pretty close to the level of the carb, yet it is still very hard to start and locks up when trying. It will lock up most of the time, the prop just stops and will not rotate, but after 10 or 15 attempts it might start and seems to run okay, but it will not idle for any length of time even at high rpm. I am at a loss as to how to fix this.

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Old 06-06-2010, 03:35 PM
  #17619  
mike early
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Default RE: Welcome to Club SAITO !


ORIGINAL: winglift

Saito 100 still hard to start. I replaced the vent tube in the tank and checked for any kinks in the lines and also lowered the tank so that the top is pretty close to the level of the carb, yet it is still very hard to start and locks up when trying. It will lock up most of the time, the prop just stops and will not rotate, but after 10 or 15 attempts it might start and seems to run okay, but it will not idle for any length of time even at high rpm. I am at a loss as to how to fix this.


Earlier you said that when it locks up, there is no fuel in the fuel line, so it might not be hydro-locking. Something else is seizing or sticking. It probably could use an internal inspection.
Old 06-06-2010, 03:50 PM
  #17620  
winglift
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I think you are right. I will take it apart and will let you know the results.
Old 06-06-2010, 06:44 PM
  #17621  
N1EDM
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Default RE: Welcome to Club SAITO !

Winglift, I might be out of line here but you said that the top of your tank is now level with the carb. I was always under the impression that the centerline should be even with the carb (i.e., spraybar) or 1/4" below.

Can someone set me straight on that? Is it different for 4S engines than it is for 2S?

Or is the tank now set that low to prevent siphoning?

Bob
Old 06-06-2010, 09:16 PM
  #17622  
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What parts do you buy to repair the 45? Can't find much info on the 45. I assume the 50 parts may fit for the most part. Any ideas?

Mike
Old 06-06-2010, 09:28 PM
  #17623  
w8ye
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There are a few 50 parts that fit.

If you need a ring or bearings, they are available from alternate sources

There is the 45 MKII is the most common in the USA but you may have a 45S which is more common with the 50.

What parts did you have in mind
Old 06-06-2010, 10:05 PM
  #17624  
mike31
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I was looking for a gasket set, push rod cover seals, cam shaft spacers. All what I consider software. Engine has an H stamped on the starboard mount beam. Other than that, it says FA-45 on the case. Thanks...
Mike
Old 06-06-2010, 10:19 PM
  #17625  
w8ye
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The 45 MKII had a single bolt to hold the carb on. It also had a right angle elbow at the bottom of the carb that angles straight back

The 45S had the carb inlet pointed straight down and the carb was retained by two bolts. It looks more like a current Saito 56

The valve cover gaskets and the two shims for the ends of the cams are the same as the 56.

The push rod seals are the same on all the 50, 56, 62, 65, 72, 80, 82, 91, 100, 110, & 125 Saitos or you can use pieces of fuel tubing

If you have the old MKII engine, the needle valve looks different but the current 56 needle valve seems to work in there OK.

You can get rings from Frank Bowman and bearings from RC Bearings.

The cam box and rear cover gaskets, You can try ones for the 56 or you can make from thin gasket material from the auto parts or you can put your Model Aviation magazine to practical use and use the cover for your gaskets. When making the gaskets, just cut the insides out and mount the gasket, you can trim the outside off after assembly.

The cam box gasket needs to be .006" - .010" for gear mesh considerations

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