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Search: Posts Made By: Bob93447
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Forum: Glow Engines
04-03-2009, 10:28 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Thanks. Its probably the spray bar. There is almost no friction when I turn the needle valve until I reach the rachet. But I will also replace the plug just to be safe. The prop is pretty much...
Forum: Glow Engines
04-03-2009, 03:41 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Question?

Is there an air seal inside the high speed needle assembly of the Saito .72? Is it replaceable? My engine, with about 100 hours of operation, now peaks at 1 turn out from fully...
Forum: Glow Engines
08-12-2008, 08:16 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

All,

I need a few ideas. My trusty Saito .72 has well over 100 hours in the air, and now is showing signs of slowing down. Where it previously would turn 10,500 on an APC 13x6 using 15%...
Forum: Glow Engines
01-08-2008, 10:50 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Hobbsy,

I set my Saito .72 up like you suggested in Post #9335 and was able to get the idle back to where it belonged in short order. THANK YOU! Now a more difficult question. With about...
Forum: Glow Engines
01-03-2008, 02:51 AM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Can anyone tell me the proper setting for the low speed needle valve on the Saito .72? Mine is out of whack and I'd like to start over again.

Also -- the high speed needle has gotten very...
Forum: Glow Engines
06-18-2007, 01:54 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Hobbsy,

Is the 200+ RPM increase compared to your .82 with or without a muffler? What prop and fuel?

Thanks,

Bob
Forum: Glow Engines
05-14-2007, 04:13 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Exhaust Nipple Thread -- What is it on a .72? I'd like to run without the muffler and I want to fabricate a header that redirects the exhaust 90 Deg. from the outlet.

Bob
Club Saito #390
Forum: Glow Engines
04-04-2007, 01:54 AM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Missing RPM's recovered

Several months ago I wrote into this forum looking for suggestions to improve the performance of my Saito .72 which had lost 300-400 rpm since I purchased it. I received...
Forum: Glow Engines
10-28-2006, 04:08 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Mike,

I set my valve gaps to .002" as recommended and flushed the needle assembly with fresh fuel. For my well used Saito .72 under the following conditions

Prop -- 13 x 6 apc
Fuel...
Forum: Glow Engines
10-26-2006, 01:52 AM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

Mike,

No, I did not see any freeplay between the intake manifold and cylinder. It has never been taken apart until now -- but there is no o-ring in the manifold to cylinder seal, just a...
Forum: Glow Engines
10-26-2006, 01:09 AM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

JettPilot,

You made the suggestion that I check out the backplate of my Saito .72 as a possible cause of the missing RPM. Since I don't know the difference between the old and new...
Forum: Glow Engines
10-02-2006, 11:41 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

JettPilot

Thanks for the hint on the backplate. After my next flying session I will tear into the motor and try to see what is going on. Any ideas when Saito changed the backplate design? ...
Forum: Glow Engines
10-01-2006, 06:55 PM
Replies: 46,889
Views: 2,632,811
Posted By Bob93447

RE: Welcome to Club SAITO !

For Bill Robison.

I have a Saito 72 which is about 3 1/2 years old and which has accumulated about 70 flying hours (probably 80 hours total with breakin and taxi) powering a YCD 46. I'm...
Showing results 1 to 13 of 13


 
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