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RE: Welcome to Club SAITO ! - 11/4/2012 8:29 PM   
mike early



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Status: offline 		What would be a good ARF for a saito twin 90? What would be a good ARF for a twin 100?

My buddy has both of these engines and will allow me to use one in a plane. He provides either engine, I provide everything else.

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RE: Welcome to Club SAITO ! - 11/4/2012 9:25 PM   
Hobbsy



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Status: online 		I like to fly Sticks, a Stck 60 would be perfect for either.

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RE: Welcome to Club SAITO ! - 11/4/2012 11:39 PM   
N1EDM



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From: Brockton, MA, USA
Status: offline 		Hi GUys,

I just found out that I hadn't received a Club Saito notice for almost a month, so I've missed out on some things.

I have a question which may have already been discussed. Could anyone tell me if Saito has discontinued the FA-62 and the FA-125? I just went looking for them on the HH website and see that they're no longer carried. I was able to get other engines to come up, like the 56, 72, 82, 115 etc.

Are engines like the .62 and .125 gone, and if so, which others have they discontinued recently.

Thanks,

Bob


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RE: Welcome to Club SAITO ! - 11/4/2012 11:51 PM   
JohnB96041


 

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Status: offline 		Check it out:
http://www.horizonhobby.com/browse/productgrid/airplane-engines-10001050#nav=ft=categoryid:10001050,type:catalog,beantype:ProductBean,brand:Saito%20Engines/:kw=/:st=bestseller/:ct=46/:sp=0/:cp=1/:ip=45/:

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RE: Welcome to Club SAITO ! - 11/4/2012 11:57 PM   
N1EDM



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Status: offline 		Thanks., JohnB. I was doing an individual search which is how I came up with the "Discontinued" message from HH. I just got a NIB 125 last January and it seemed too soon to discontinue it. I appreciate the feedback.

Bob


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RE: Welcome to Club SAITO ! - 11/5/2012 1:25 AM   
captinjohn


 

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quote:

ORIGINAL: w8ye

With the bushing rod, use 16:1 mineral oil.



what kind of mineral oil....like castor or????????????????????????????????????????????

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RE: Welcome to Club SAITO ! - 11/5/2012 3:13 AM   
w8ye



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RE: Welcome to Club SAITO ! - 11/5/2012 4:10 AM   
captinjohn


 

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quote:

ORIGINAL: w8ye

Pennzoil air cooled 2 stroke



If ya Google mineral oil....it comes up with a different product....just saying !

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RE: Welcome to Club SAITO ! - 11/5/2012 6:20 AM   
Ernie Misner



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Status: offline 		Castor should be a vegetable oil.

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RE: Welcome to Club SAITO ! - 11/5/2012 12:26 PM   
Old Fart


 

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Status: offline 		I like flying underpowed h9 camels with the 90 twin they sound better in an off beat way compared to the 100 engine wise.good luck with that

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RE: Welcome to Club SAITO ! - 11/5/2012 2:26 PM   
Charley


 

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quote:

ORIGINAL: captinjohn


quote:

ORIGINAL: w8ye

With the bushing rod, use 16:1 mineral oil.



what kind of mineral oil....like castor or????????????????????????????????????????????

Mineral oil is pretty much anything derived from crude oil. Distinctions are kind of blurry. I used Klotz Super Techniplate; it's 20% castor, will blend with gas and/or alky.

CR

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RE: Welcome to Club SAITO ! - 11/5/2012 5:59 PM   
tarcure


 

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Status: offline 		I am fairly new to Saito's. I have a 72 and a 115. Both are about 2 years old. However, the 72 was broken in and then sat for close to a year before I came to be it's owner. The 115 is rock-solid, idle's great. I've had a few issues with the 72. Mostly, having trouble getting it to idle lower and finicky trying to tune it. When I rotate the prop on the 115 I feel a pretty solid pop when going thru the compression stroke. I don't get nearly anywhere near that feeling on the 72. I realize they are quite different in displacement but wonder if the ring could be an issue in the 72.  I happened upon on a thread about replacing rings with one's made by Frank Bowan and this made me interested in posting this question. Is there a way to compare? Suggestions? Thank you.


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RE: Welcome to Club SAITO ! - 11/5/2012 7:42 PM   
Mein Duff



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Status: offline 		have you first checked your valve clearances?....a slightly open valve could do it..

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RE: Welcome to Club SAITO ! - 11/5/2012 7:45 PM   
tarcure


 

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Status: offline 		I did a while ago but will do so again. Thank you very much for the suggestion.


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RE: Welcome to Club SAITO ! - 11/5/2012 10:51 PM   
hsukaria


 

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Status: offline 		I recently readjusted the valve gaps on one of my 4-strokes (not a Saito). Now I have a good compression. I thought I had adjusted it properly before, but I was mistaken. Trying a second time got it right.

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RE: Welcome to Club SAITO ! - 11/6/2012 12:37 AM   
Old Fart


 

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Status: offline 		I used to get carried away setting the finest clearances i could and that takes a fair bit of effort,until one day i was in a hurry and overdid it on one of my 82b's in a decathlon.Flipped the prop with throttle wide open and no compression at all.Exhaust valve was not quite shut and that can be terminal.These days i'm happy at .004

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RE: Welcome to Club SAITO ! - 11/6/2012 3:31 AM   
jkr_1100



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quote:

ORIGINAL: tarcure

I am fairly new to Saito's. I have a 72 and a 115. Both are about 2 years old. However, the 72 was broken in and then sat for close to a year before I came to be it's owner. The 115 is rock-solid, idle's great. I've had a few issues with the 72. Mostly, having trouble getting it to idle lower and finicky trying to tune it. When I rotate the prop on the 115 I feel a pretty solid pop when going thru the compression stroke. I don't get nearly anywhere near that feeling on the 72. I realize they are quite different in displacement but wonder if the ring could be an issue in the 72.  I happened upon on a thread about replacing rings with one's made by Frank Bowan and this made me interested in posting this question. Is there a way to compare? Suggestions? Thank you.




I would try to get it wet with fuel and turning over. check the rods and valve rockers. make sure nothing popped out of place. try to get it to run and get some time on it.

set the high sped needle to max RPM at full throttle, then set LS needle by leaning it out until it wont rev up without stumbling, then go back 1/8 turn rich.. make sure to richen HS needle 200-400 RPM down from peak

if you have a plastic backplate you may need to replace the backplate and the intake Oring.

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RE: Welcome to Club SAITO ! - 11/6/2012 6:14 AM   
Ernie Misner



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Status: offline 		He's right about the plastic backplate if that's what you have, especially if it's an old 72. The intake manifold will vibrate and wiggle in the head causing air leaks and poor idling / dead sticks.

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RE: Welcome to Club SAITO ! - 11/6/2012 9:17 AM   
Errol Levin



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From: Johannesburg , SOUTH AFRICA
Status: offline 		Hi

I have a new Saito 5 cylinder engine. Would anyone be able to tell me if I will have to prime the engine every time I start it.

The reason I would like to know is that I am installing it in a 1/4 scale Waco which has a closed cowl, and I need to plan where to mount the primer tube.

Any help will be appreciated.

Thanks

ERROL
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RE: Welcome to Club SAITO ! - 11/6/2012 10:39 AM   
Old Fart


 

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Status: offline 		If you have already mounted the engine(325?) in an airframe i'd leave it there almost no vibration.Drop about 3mils of fuel down the primer tube every time you flick it to start even from cold.

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RE: Welcome to Club SAITO ! - 11/6/2012 3:59 PM   
tarcure


 

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From: Winston-Salem, NC, USA
Status: offline 		Yes, it has a black plastic back plate. How do I tell if it is an "old" 72? This was purchased at the LHS 2 (not more than 3) years ago.

Horizon lists' this part number for an 82. Correct?
Item: SAI82B17

I believe I read that this is the same part.

I am interested in the carb upgrade kit:

Upgrade Carburetor Rebuild Kit: FA-72

By: Saito Engines
Item: SAI72144

Is the upgrade kit worth it? What's the difference?

And, will I need to put a gasket between the new back plate the body?

Thank you all for the information. It truely is invaluable.



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RE: Welcome to Club SAITO ! - 11/6/2012 7:58 PM   
mike early



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Status: offline 		On the 72, the plastic back plate means it's the older version.
The new one is the 72B. (SAIE072B)
Yeah, same backplate for the 72 and the 82.


quote:

ORIGINAL: tarcure


I am interested in the carb upgrade kit:

Upgrade Carburetor Rebuild Kit: FA-72

By: Saito Engines
Item: SAI72144

Is the upgrade kit worth it? What's the difference?

And, will I need to put a gasket between the new back plate the body?

Thank you all for the information. It truely is invaluable.




I never saw that Carb Upgrade before. I wonder if it's new.
It does have a helpful diagram with it:

Attachments
Click to see fullsize image.
Click for fullsize


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RE: Welcome to Club SAITO ! - 11/6/2012 8:02 PM   
w8ye



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Status: offline 		If you still have the plastic back plate, you also want to change to the aluminum back plate and carb mounting screws from a Saito 91 or you will continue to have trouble.


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RE: Welcome to Club SAITO ! - 11/6/2012 8:07 PM   
mike early



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Status: offline 		I found this post in 2006:
http://www.rcuniverse.com/forum/fb.asp?m=4528671
We cannot really call it new, I guess...

If the upgrade was made before 2006, and the engine was bought 3 years ago, can we assume the engine came with the "upgrade"?

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RE: Welcome to Club SAITO ! - 11/6/2012 10:35 PM   
FNQFLYER


 

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Status: offline 		Gee a guy goes awa for a few days and catching up on the postings becomes a real chore.  But all good stuff. A few comments
1/ I always use an electric starter on ALL my engines, a finger broken in three places and 2 fingers with prop cuts about 2 inches long have yet again educated me re the virtues of keeping fingers out of props (A saito 65 was the culprit)
2/ Using electric starters on LeRoys revenge (Cox 049) is interesting cause the motor once fired up spins faster than the starter
3/ At the O/T Nationals next year in OZ (at Cootamundra in October Old Fart) I expect to see a great increase in Saitos on the field, there is a lot of interest in the 56 / 62 combinations and 65's have become scarce so more valuable
4/ Lastly in discussing 4 strokes no body talks about YS, the 53 and 63 (no longer produced) were great engines so much so that rumours our of Japan would indicate that Saito is looking to fill that void.  If so I for one would be in "hog heaven"
More later guys, got to get back to test bed model I am building.  Rainy season is trying to get here so must get the project finished ASAP  

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