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  1. #23976
    SrTelemaster150's Avatar
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    RE: Welcome to Club SAITO !


    ORIGINAL: kochj


    ORIGINAL: Ernie Misner

    Sounds like a good trick but how do you hold the starter and plane, then work the throttle lever?

    YOU CAN MAKE A SMARTER STARTER....

    http://www.youtube.com/watch?v=0q0q5...4AFCC0&index=1

    Now I really like tat concept. I may have to rig someting like tat up on my fligt box.
    Club Saito #785 - FA91S, FA150, FA180, FA180HC/BBC, FA200TI, FA300TTDP: All with CH Ignitions CDI/Glow fuel
    SIG BH #41 - 1/3 Spacewalker

  2. #23977
    Quikturn's Avatar
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    RE: Welcome to Club SAITO !

    Hey everyone,

    Does anyone know what the thread pitch is for a cylinder to crankcase bolt on a Saito 91? I know the bolt is a 3.5mm. My guess is that it's a .6 pitch but I'm not sure.


    Thanks
    No matter how many times I cut it, it's still too short!

    Ultrasport Brotherhood #45, P-51 Brotherhood #34, P-40 Brotherhood #35, Saito Club member #799, Spitfire Brotherhood #173, Glow head #18

  3. #23978

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    RE: Welcome to Club SAITO !


    ORIGINAL: Quikturn

    Hey everyone,

    Does anyone know what the thread pitch is for a cylinder to crankcase bolt on a Saito 91? I know the bolt is a 3.5mm. My guess is that it's a .6 pitch but I'm not sure.


    Thanks
    I have a thread guage now, and would not go without one... It was included in a tap&die kit...I thought it
    Was a feeler guage! Never had seen one before...
    I think you could check it out on true turn website when you look for spinker adapters.
    ???
    If you can\'\'\'\'t dazzle em with brilliance,baffle em with BS

  4. #23979

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    RE: Welcome to Club SAITO !

    Snap On have a good range of thread guages in both Imperial and Metric, both modern and the "ancient" thread forms.  Like the others I wouldn't be without mine or a good set of taps and dies.  I think at last count I have about 200 of each ranging from 4BA up to I think 1.5 inch covering every type including those things the frnch used in some of their a/c.
    Tread giages are a must have item.
    Club Saito member 710

  5. #23980
    Moderator Hobbsy's Avatar
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    RE: Welcome to Club SAITO !

    This Screw Ckeck'r from MicroMark is what I use, this is the Metric one, it gives you the diameter, thread pitch and what drill to use.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  6. #23981
    Moderator Hobbsy's Avatar
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    RE: Welcome to Club SAITO !

    The .65's base bolts are 3.5x.6, sorry about the lousy picture.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  7. #23982

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    RE: Welcome to Club SAITO !

    Oops. I thought you said the crankshaft threads....
    I somehow missed that.
    If you can\'\'\'\'t dazzle em with brilliance,baffle em with BS

  8. #23983

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    RE: Welcome to Club SAITO !

    Hobbsy,  Avial markets one that does all yours does but also has a provision to measure lenght as well.  Both Aviall and US tools have these displayed on the website.  The Snap On one is expensive (here in OZ) so I only have the ones provided by a generous employer or two.  I also use the TOOL Yard as another source of hard to get, nice to have tools and don't forget good old Tower Hobbies, some of their stuff is good for padding out the order to get reduced freight.
    I have acquired a number of fastener measuring guages and devices, even one that translates the bolt dimension from the bolt being "scanned" to the correct dimensional size on a plan / drawing on a computer screen.  Very Mickey Mouse.  
    For those looking for these "old fashioned" tools check around the "second hand" shops at your local airport.  The ones that sell parts etc and yes even the a/c wreckers yards.  I have obtained some gems in Tuscon like the tool P&W made so you could adjust the valves on the 1830 while it was running (yes runnning but only at idle).  There is one on the P$W museum in Canada or Maine (I think).  Worked well on Ford V8's.  The last one of those I saw was at Tan Son Nhat when I was at the engineering base in 99.  The bloody Pratt rep grabbed it quicker than me but oh well hopefully it went to a good home 
    Club Saito member 710

  9. #23984
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    RE: Welcome to Club SAITO !

    Hobbsy, thanks for the info! I have a Saito 91 that turned out to be not such a good deal. I was going to clean it up before I used it and came across discrepancies. One of them being a stripped out screw on the lower left rear cover plate. I believe those are 3mm screws. The cylinder hold down screws are slightly larger at 3.5mm so I thought I would re-tap the stripped out screw for a 3.5mm one. Initially, I wanted to modify a 3.5mm screw into a tap using a cutting wheel but a purpose made tap would be better. I would hate to mess up a crankcase with something not up to the job. I just wanted to be sure which tap I need to order.

    Joe
    No matter how many times I cut it, it's still too short!

    Ultrasport Brotherhood #45, P-51 Brotherhood #34, P-40 Brotherhood #35, Saito Club member #799, Spitfire Brotherhood #173, Glow head #18

  10. #23985

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    RE: Welcome to Club SAITO !

    hi guys
    i have a satio 56 that i put new bearings in and i cant find my tool that came with the motor ,what size gage would i use to set the arms and do i need the wrech that came with it or what can i use or where can i get new tools for it ,thanks

  11. #23986
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    RE: Welcome to Club SAITO !

    Hi rye if you smoke rollies grab a paper out and use it,about one and a half thou don't know how you say that in metric.We used to use that method free floating sporting firearm barrels.I know there's plenty of apps around for converting af to metric re thread sizes but everytime you look at the chart it leaves you with a vague headache,man i wish and am going to tool up so i can cut some half decent threads for my saito exhaust systems!!
    Watch out for the ground eh?

  12. #23987
    Moderator Hobbsy's Avatar
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    RE: Welcome to Club SAITO !

    http://www.horizonhobby.com/products...-ii-SAIE056#t4 go about 2/3 the way down the page.

    If you pick a set of guages at NAPA make sure it has a .004 inch feeler in it.
    Attached Images Attached Images  
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  13. #23988

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    RE: Welcome to Club SAITO !

    thankyou sir

  14. #23989

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    RE: Welcome to Club SAITO !

    I have a saito 72 on a nex star I want to put a 3 bladed prop on. I have been running an 11x7 2 blade. What would be a 3 blade recommendation.

  15. #23990
    mike early's Avatar
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    RE: Welcome to Club SAITO !

    12x6 or 12x8 3-blader

    I imagine you had the engine under-propped with the 11x7 two blade
    Saito Club Member #578
    P-40 Brotherhood #62

  16. #23991
    SrTelemaster150's Avatar
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    RE: Welcome to Club SAITO !


    ORIGINAL: Quikturn

    Hobbsy, thanks for the info! I have a Saito 91 that turned out to be not such a good deal. I was going to clean it up before I used it and came across discrepancies. One of them being a stripped out screw on the lower left rear cover plate. I believe those are 3mm screws. The cylinder hold down screws are slightly larger at 3.5mm so I thought I would re-tap the stripped out screw for a 3.5mm one. Initially, I wanted to modify a 3.5mm screw into a tap using a cutting wheel but a purpose made tap would be better. I would hate to mess up a crankcase with something not up to the job. I just wanted to be sure which tap I need to order.

    Joe
    The stock rear cover screws do not go all the way to the bottom of the hole in the case. (at least not on te FA150)

    There may be enough thread left to use a longer screw. I think I used the length screw that was used in the FA150 cam housing.

    Anyway, check the depth of the hole against the length of the OEM rear cover screw. If there is enough depth, try a srew that is 1mm longer or better yet instal a stud in the hole. No dangerv of bottoming out & breaking off a screw W/a stud.

    A "bottom tap" may also get you enough additional threads to get a better hold.
    Club Saito #785 - FA91S, FA150, FA180, FA180HC/BBC, FA200TI, FA300TTDP: All with CH Ignitions CDI/Glow fuel
    SIG BH #41 - 1/3 Spacewalker

  17. #23992
    Moderator blw's Avatar
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    RE: Welcome to Club SAITO !

    I bet that 72 screams with a 11x7 prop.
    The ultimate responsibility of pilots is to fulfill the dreams of the countless millions who can only stare skyward...and wish.

    "It doesn't take but one Auburn man to be a majority" -Coach Pat Dye

  18. #23993
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    RE: Welcome to Club SAITO !


    ORIGINAL: SrTelemaster150

    The stock rear cover screws do not go all the way to the bottom of the hole in the case. (at least not on te FA150)

    There may be enough thread left to use a longer screw. I think I used the length screw that was used in the FA150 cam housing.

    Anyway, check the depth of the hole against the length of the OEM rear cover screw. If there is enough depth, try a srew that is 1mm longer or better yet instal a stud in the hole. No dangerv of bottoming out & breaking off a screw W/a stud.

    A ''bottom tap'' may also get you enough additional threads to get a better hold.
    Thanks for the idea. I'll take a look at it and see if it's the same on the 91. It would certainly be an easier repair.

    In the event it won't work out, I beleive there is enough material in the crankcase to re-tap to a larger size.
    No matter how many times I cut it, it's still too short!

    Ultrasport Brotherhood #45, P-51 Brotherhood #34, P-40 Brotherhood #35, Saito Club member #799, Spitfire Brotherhood #173, Glow head #18

  19. #23994
    SrTelemaster150's Avatar
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    RE: Welcome to Club SAITO !

    ORIGINAL: Quikturn


    ORIGINAL: SrTelemaster150

    The stock rear cover screws do not go all the way to the bottom of the hole in the case. (at least not on te FA150)

    There may be enough thread left to use a longer screw. I think I used the length screw that was used in the FA150 cam housing.

    Anyway, check the depth of the hole against the length of the OEM rear cover screw. If there is enough depth, try a srew that is 1mm longer or better yet instal a stud in the hole. No dangerv of bottoming out & breaking off a screw W/a stud.

    A ''bottom tap'' may also get you enough additional threads to get a better hold.
    Thanks for the idea. I'll take a look at it and see if it's the same on the 91. It would certainly be an easier repair.

    In the event it won't work out, I beleive there is enough material in the crankcase to re-tap to a larger size.

    The rear cover screws don't need a lot of torque. They are not containg any type of force. They just hold the rear cover in place. If you can get 3-4 threads to bite, use a stud W/red locctite.

    I went ahead & installed studs in both bottom holes to mount a bracket for a Perry V-20 Pump.
    Club Saito #785 - FA91S, FA150, FA180, FA180HC/BBC, FA200TI, FA300TTDP: All with CH Ignitions CDI/Glow fuel
    SIG BH #41 - 1/3 Spacewalker

  20. #23995

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    RE: Welcome to Club SAITO !

    I finally got to start my used FA-91SGK.  It starts and runs like a jewel and the sound is great.  Although, that muffler looks like a plumbing fixture.  I could use a little extra RPM so, it looks like I'll be picking up a Turbo-Header soon.  I haven't checked the peak RPM on it yet because it got dark before I thought about it.  The 13x8 prop was running at a pretty good clip and I expect it to tach high.  I may want to try a deeper pitch but, won't be able to tell until I fly it and see how she performs.
    This engine is mounted inverted on a World Models Intruder 90R that I plan to use in SPA competitions.  We  established the "SPA West" division last year and had a great turnout at almost all of the events held west of the Mississippi.  The SPA West "Ft. Worth Open" was flown at my home field this year ....The Ft. Worth Thunderbirds facility on Benbrook Lake. 
    The Intruder is a good flying plane and is capable of winning contests as has been demonstrated several times in SPA contests.  I'm looking forward to a great season with this plane and the outstanding engine mounted on it.

    RJ
    Rowdyjoe
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    (FA-80, FA-80GK, FA-91S)
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  21. #23996

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    RE: Welcome to Club SAITO !

    I have a Saito 82. I just replaced the cylinder, adjusted the valves and now it runs ok, but the high speed needle is only bout a 1/4 turn from being completly closed. It ideels fine, and seams to run a high speed ok. BUt the high needle setting seams to be way to closed. Shouldn't it bee open somewhere around 1-1/2 turns? Any ideas?

    Thanks
    Jim
    Jim Williams
    Club Saito Menber #621

  22. #23997
    SrTelemaster150's Avatar
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    RE: Welcome to Club SAITO !


    ORIGINAL: JWQ500RC

    I have a Saito 82. I just replaced the cylinder, adjusted the valves and now it runs ok, but the high speed needle is only bout a 1/4 turn from being completly closed. It ideels fine, and seams to run a high speed ok. BUt the high needle setting seams to be way to closed. Shouldn't it bee open somewhere around 1-1/2 turns? Any ideas?

    Thanks
    Jim

    LSN a bit rich affecting the HSN?
    Club Saito #785 - FA91S, FA150, FA180, FA180HC/BBC, FA200TI, FA300TTDP: All with CH Ignitions CDI/Glow fuel
    SIG BH #41 - 1/3 Spacewalker

  23. #23998

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    RE: Welcome to Club SAITO !



    Sr. Telemaster

    Maybe, but I don't think so. Transision is good from idel to high speed. I'll take a look at the LS needle tonite when I get home.

    Thanks
    Jim

    Jim Williams
    Club Saito Menber #621

  24. #23999
    Mein Duff's Avatar
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    RE: Welcome to Club SAITO !


    ORIGINAL: rowdyjoe

    Â* WeÂ* established the ''SPA West'' division last year and had a great turnout at almost all of the events held west of the Mississippi.Â* The SPA West ''Ft. Worth Open'' was flown at my home field this year ....The Ft. Worth Thunderbirds facility on Benbrook Lake.Â*
    The Intruder is a good flying plane and is capable of winning contests as has been demonstrated several times in SPA contests.Â*.

    RJ

    What is an SPA competition ????
    Fleet Brotherhood #5
    Half A Wing, Three Engines and A Prayer

  25. #24000
    Moderator blw's Avatar
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    RE: Welcome to Club SAITO !

    Senior Pattern Association. There is a cutoff date for models to compete. I think it is only open to models available no later than 1975.
    The ultimate responsibility of pilots is to fulfill the dreams of the countless millions who can only stare skyward...and wish.

    "It doesn't take but one Auburn man to be a majority" -Coach Pat Dye


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