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Welcome to Club SAITO !

Old 11-09-2008, 07:12 PM
  #12751  
w8ye
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3 turns ought to get you started
Old 11-10-2008, 12:25 AM
  #12752  
beeper0358
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ORIGINAL: mike early

It is the Kyosho Corsair with the composite fuselage and center wing sections, correct?
It is the Kyosho P-40 Warhawk Mike

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Old 11-10-2008, 05:01 AM
  #12753  
Rudolph Hart
 
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ORIGINAL: merril

[img][/img] Hi Old Fart! One of my kids came over to post this pic of my Waco for you. Enjoy!

Merril

ps let me know if this doesn't appear on your end and I will try again.
Hey merril that aeroplane and colour scheme looks choice!!,aussie way of saying really good
Old 11-10-2008, 05:07 AM
  #12754  
Rudolph Hart
 
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Guys what do you make of this re valve clearances? just pulled the exhaust rocker cover off to get clearence for the pressure nipple on the 82 flex pipe to rotate freely.Checked the valave gap and it's .003...aloowing for all the variables that make this an interesting trip how do saito set them at the factory??

ps engine has six 12oz tanks thru it
Old 11-10-2008, 08:53 AM
  #12755  
TomTreese
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I have some strange things going on with my Saito 180 on a Dave Patrick Ultimate??

1. I have had a problem with the stock muffler vibrating loose at the cylinder head. The lock nut keeps loosening?? Even with plumbers tape and red lock-tight?

2. So I used a Turbo-muffler with plumbers tape and it worked for 32 flights and then it started to loosen.

3 So I tried the Saito Flex-Muffler with nipple. (10 1/4" long) I tried it with the Saito 90* angle, made for this, but it has no way to bottom out so it just flops in the sleeve. So I used the 90* adaptor from Turbo-muffler and it worked fine as far as securing the muffler.

But Here is the problem I LOST 1,000+ RPMS WITH THAT 10" PIPE ON THE ENGINE?? WHAT GIVES??? THE BEST I CAN GET IS 7100 RPM'S

The engine is mounted at 90* with a carbonfiber composite mount. This problem has been intermittent over the 230 flights. I did have the cylinder head replaced after the stock muffler unit stripped the threads. I did this before installing the light 90* Turbo-muffler. http://www.rcuniverse.com/market/item.cfm?itemId=439720


Any suggestions. Thanks!
Old 11-10-2008, 12:31 PM
  #12756  
blw
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beeper0358- you are member #613
Old 11-10-2008, 01:46 PM
  #12757  
beeper0358
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Thanks blw! And thanks to Sigman for starting this forum, which has lots of information. Ever since I started flying fixed wing 6 months back I dreamed of having a saito engine. I envied the sound everytime I hear it from other flyers plane and now I've got my first one and still just about a quart on it. I was almost pulling hair when I first run the engine and this forum gave me lots of reason to do it correctly and it indeed paid well.

I guess my first question would be idling, using my tach it idles at 1890rpm. I've read idling in 2000-2500 somewhere and just wondering is it bad for the engine to idle at a low rate? It is kinda cool except for the vibration it creates
Old 11-10-2008, 02:46 PM
  #12758  
w8ye
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Low idle does not hurt them

Extremely low idle sometimes makes the propeller act as a brake

Sometimes the engine may quit
Old 11-10-2008, 03:24 PM
  #12759  
bucho
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wich is the best prop for a sait 82 in a model teach p-51 mustang,,, master 13x8 good speed poor climbing power,master 13x 6 out of grafics.....13x7 apc to fragile....
Old 11-10-2008, 04:36 PM
  #12760  
w8ye
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I would have thought a 14-6 by looking at all the bench tests. That's what I run on my 82 and different plane but our styles may be different?
Old 11-10-2008, 04:40 PM
  #12761  
WMB
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My 82 likes a 12x10 APC on the Midwest 40 Zero. Fast, good verticle. The 12x9 didn't load it down enough after break-in. 10% fuel used.
Old 11-10-2008, 04:50 PM
  #12762  
bucho
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what you think about 12x8 vs 14x6 I think, 12x8 will be faster, with god response, don´t you think ?

thanks for your fast answers...
Old 11-10-2008, 04:52 PM
  #12763  
bucho
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sorry LORD, good response.....
Old 11-10-2008, 04:59 PM
  #12764  
w8ye
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The smaller diameter - more pitch prop will have more speed but less vertical than a 14-6
Old 11-10-2008, 05:05 PM
  #12765  
TomTreese
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ORIGINAL: TomTreese

I have some strange things going on with my Saito 180 on a Dave Patrick Ultimate??

1. I have had a problem with the stock muffler vibrating loose at the cylinder head. The lock nut keeps loosening?? Even with plumbers tape and red lock-tight?

2. So I used a Turbo-muffler with plumbers tape and it worked for 32 flights and then it started to loosen.

3 So I tried the Saito Flex-Muffler with nipple. (10 1/4" long) I tried it with the Saito 90* angle, made for this, but it has no way to bottom out so it just flops in the sleeve. So I used the 90* adaptor from Turbo-muffler and it worked fine as far as securing the muffler.

But Here is the problem I LOST 1,000+ RPMS WITH THAT 10" PIPE ON THE ENGINE?? WHAT GIVES??? THE BEST I CAN GET IS 7100 RPM'S

The engine is mounted at 90* with a carbonfiber composite mount. This problem has been intermittent over the 230 flights. I did have the cylinder head replaced after the stock muffler unit stripped the threads. I did this before installing the light 90* Turbo-muffler. http://www.rcuniverse.com/market/item.cfm?itemId=439720


Any suggestions. Thanks!
On further review.

I ran the 180 today with a Turbo-muffler and it was turning at 8400 Rpm vs. the 7100 rpm with the flex pipe??. So I called Saito and they said that's normal. If so why are they selling that worthless flex muffler????[:@] Plus the 90* elbow is worthless with this muffler as well???

Horizon's website is extremely lacking in product discriptions. Ah!!! what product descriptions[:'(]


Old 11-10-2008, 05:50 PM
  #12766  
KWJ48
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My bearings are about shot in my Saito 91. Is there a how to guide somewhere on how to replace them?

Thanks

Kenny
Old 11-10-2008, 05:57 PM
  #12767  
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ORIGINAL: TomTreese


SNIP

I ran the 180 today with a Turbo-muffler and it was turning at 8400 Rpm vs. the 7100 rpm with the flex pipe??. So I called Saito and they said that's normal. If so why are they selling that worthless flex muffler????[:@]
Because people buy them.....

Just so you don't feel lonely, I put flex pipes on an OS 120, a Saito 100 and on a Saito 82, and they hurt top end performance on those three engines too!

I'll probably get rid of the flex pipes, and perhaps replace them with Turbo Headers. Well, not the OS.....

Wanna BUY some used flex pipes?
Old 11-10-2008, 06:20 PM
  #12768  
w8ye
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Here's how to do the bearings in a OS. The Saito is simpler. It is in French but I partially translated it.

http://74.125.93.104/translate_c?hl=en&ie=UTF-8&oe=UTF-8&langpair=fr|en&u=http://epervier.sudluberon.free.fr/moteur4t/index.html&prev=/language_tools&usg=ALkJrhilJ2bs5gz_Grg6Q7MmToGRKxgRmA


You will have to copy and paste the link to your address bar. The "|" in the link terminates to auto link action
Old 11-10-2008, 06:26 PM
  #12769  
sodbuster 1
 
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[/quote]
So I called Saito and they said that's normal. If so why are they selling that worthless flex muffler????[:@] Plus the 90* elbow is worthless with this muffler as well???

[/quote]

I'm running the stock muffler and manifold/pipe on my 1.00 using an RC Specialties 90 degree. So far it's holding up pretty well.
The Saito 90 degree snapped after 2 flights.

The RC Specialties has a slight radius at the end of the threads that seems to add strength to the elbow. The Saito doesn't.

Even though theRC Specialties is holding up so far I will be adding a bracket to support the weight of the muffler
that will attach to the engine itself
Old 11-10-2008, 06:32 PM
  #12770  
w8ye
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Here's how to do bearings on a Thunder Tiger Pro 46. There's no valve mechanism because it is a two stroke. It is voiced in Australian by Xjet but sounds like good English to me http://www.youtube.com/watch?v=TuzEco3EDUM
http://www.youtube.com/watch?v=OLSoX...eature=related
Old 11-10-2008, 06:35 PM
  #12771  
TomTreese
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ORIGINAL: sodbuster 1

So I called Saito and they said that's normal. If so why are they selling that worthless flex muffler????[:@] Plus the 90* elbow is worthless with this muffler as well???

[/quote]

I'm running the stock muffler and manifold/pipe on my 1.00 using an RC Specialties 90 degree. So far it's holding up pretty well.
The Saito 90 degree snapped after 2 flights.

The RC Specialties has a slight radius at the end of the threads that seems to add strength to the elbow. The Saito doesn't.

Even though theRC Specialties is holding up so far I will be adding a bracket to support the weight of the muffler
that will attach to the engine itself
[/quote]
Do you mean Performance specialties??? http://www.pspec.com/details.asp?ProdID=51&category=4
Old 11-10-2008, 06:43 PM
  #12772  
w8ye
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No, he said it right

http://www.rcuniverse.com/market/item.cfm?itemId=449034
Old 11-10-2008, 06:46 PM
  #12773  
TomTreese
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I typed in RCspecialities.com and got a plumbing site??? What is their address??

Never mind I have two of their muffliers and they both leak at the seam in the middle of the muffler?
And they also came loose on the Saito 150 and 180.

The Performance specialities muffler looks good because it's one piece. There is a pilot at our field that has a couple of their mufflers and has not had a problem??
Old 11-10-2008, 06:51 PM
  #12774  
w8ye
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Here's his Email but I put some "X" trash in front to mess up any spam jammer auto readers

XXXXrcspecialties"AT"bellsouth.netXXXXX
Old 11-10-2008, 06:53 PM
  #12775  
w8ye
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The Turbo muffler was redesigned a while back. None of mine leak

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