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Author Topic: Saito 45  (Read 1687 times)

Offline James Holford

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Saito 45
« on: April 04, 2019, 05:15:06 PM »
I have a Saito 45 coming to me as it seems the Saito is always out of reach with prices.

 My question is what would the Saito 45 equal to in 2 stroke engine size?

 I have a Brodak Me109 and nothing better sounding that the grunt of a 4stroke on a warbird.

It isnt setup for CL yet.

 Thoughts?

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
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Offline Robert Zambelli

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Re: Saito 45
« Reply #1 on: April 04, 2019, 06:19:35 PM »
Hi, James.
I believe this is the engine you have: FA-45.
I have had a few of these engines. They run extremely well, start easily and are very smooth and quiet.
However, they're not up to the specific power* of the later SAITO engines.
And, they're quite heavy at around 14.5 ounces.
No problem - just shorten the nose and use a small tank - I could do the pattern with mine on 2 1/2 ounces.
They like a lot of pitch. I used an 11-8 Master Airscrew.
SAITO later came out with a .50 in the same case, slightly lower weight, thus increasing the specific power output.
As far as comparable two-stroke power, I would compare it to an LA-40 or FP-40.

Go for it!

Bob Z.


* HP/CID
« Last Edit: April 04, 2019, 09:34:59 PM by Robert Zambelli »

Offline James Holford

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Re: Saito 45
« Reply #2 on: April 05, 2019, 07:26:42 AM »
Hi, James.
I believe this is the engine you have: FA-45.
I have had a few of these engines. They run extremely well, start easily and are very smooth and quiet.
However, they're not up to the specific power* of the later SAITO engines.
And, they're quite heavy at around 14.5 ounces.
No problem - just shorten the nose and use a small tank - I could do the pattern with mine on 2 1/2 ounces.
They like a lot of pitch. I used an 11-8 Master Airscrew.
SAITO later came out with a .50 in the same case, slightly lower weight, thus increasing the specific power output.
As far as comparable two-stroke power, I would compare it to an LA-40 or FP-40.

Go for it!

Bob Z.


* HP/CID
Yep thats the one I have coming to me.

Thanks for the info!

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline Robert Zambelli

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Re: Saito 45
« Reply #3 on: April 05, 2019, 03:45:24 PM »
An important reminder!!!

When you get your SAITO 45, remove the glow plug and remove the rocker covers.
Gently push on the rockers to insure that the valves move freely.
If they move, flood the valve gear with oil, insuring that it goes down the pushrod tubes.
Squirt some oil into the crankcase breather and cover the breather.
Shake the engine around to insure that everything inside is coated with oil.
Now, GENTLY turn the engine and observe the valve action.
If the valve opens but does not close, you've got a stuck lifter.
You can usually free it up by pushing down on the pushrod end of the rocker arm, repeating the procedure a few times.
Once you're sure that the the valve train is free, check the valve lash - should be around .002".
Again flood the valve train with oil, replace the rocker covers and plug and you should be ready to run it.

I'm issuing this warning for one main reason: When a 4S engine sits for a long time, the valves will sometimes stick.
If you turn it over and bend a valve, your new expensive engine becomes a paperweight.
As far as I know, there are NO spare parts available.

So, build the ME 109, mount the SAITO in it and enjoy some really fun flying.

Bob Z.

Feel free to contact me with any questions.


Offline James Holford

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Re: Saito 45
« Reply #4 on: April 05, 2019, 03:48:12 PM »
An important reminder!!!

When you get your SAITO 45, remove the glow plug and remove the rocker covers.
Gently push on the rockers to insure that the valves move freely.
If they move, flood the valve gear with oil, insuring that it goes down the pushrod tubes.
Squirt some oil into the crankcase breather and cover the breather.
Shake the engine around to insure that everything inside is coated with oil.
Now, GENTLY turn the engine and observe the valve action.
If the valve opens but does not close, you've got a stuck lifter.
You may be able to free it up by pushing down on the pushrod end of the rocker arm.
Once you're sure that the the valve train is free, check the valve lash - should be around .002".
Again flood the valve train with oil, replace the rocker covers and plug and you should be ready to run it.

I'm issuing this warning for one main reason: When a 4S engine sits for a long time, the valves will sometimes stick.
If you turn it over and you bend a valve, your new expensive engine becomes a paperweight.
As far as I know, there are NO spare parts available.

So, build the ME 109, mount the SAITO in it and enjoy some really fun flying.

Bob Z.

Feel free to contact me with any questions.
Appreciate the heads up!!

 As far as I know the motor is a runner... granted that is for RC.

 I got it at a decent price of $65. So hopefully its still in good shape to be usefull.

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline Robert Zambelli

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Re: Saito 45
« Reply #5 on: April 05, 2019, 03:54:05 PM »
At $65 it was a STEAL!!!

Offline James Holford

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Re: Saito 45
« Reply #6 on: April 05, 2019, 03:55:06 PM »
At $65 it was a STEAL!!!
Yea now just hoping its worth a damn when it arrives in the mail lol.

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
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Offline James Holford

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Re: Saito 45
« Reply #7 on: April 08, 2019, 07:53:52 PM »
Just added a Saito 56 as well :)

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline proparc

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Re: Saito 45
« Reply #8 on: April 10, 2019, 07:45:57 PM »
Just added a Saito 56 as well :)

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Your going to find out first hand ,why these motors are so desirable worldwide. The 56 is where your really starting to get into world class capability. I own 3 Saitos and going after a 4th.
Milton "Proparc" Graham

Offline James Holford

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Re: Saito 45
« Reply #9 on: April 10, 2019, 07:46:56 PM »
Your going to find out first hand ,why these motors are so desirable worldwide. The 56 is where your really starting to get into world class capability. I own 3 Saitos and going after a 4th.
Yep... just to find a suitable plane for it :)

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline proparc

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Re: Saito 45
« Reply #10 on: April 11, 2019, 08:15:53 PM »
Yep... just to find a suitable plane for it :)

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Make sure you get a plane with a thicker than normal airfoil. Trust me on this-I know!
Milton "Proparc" Graham

Offline Robert Zambelli

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Re: Saito 45
« Reply #11 on: April 12, 2019, 03:18:15 PM »
James - thought you might find this interesting!

Bob Z.

Offline James Holford

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Re: Saito 45
« Reply #12 on: April 12, 2019, 03:19:49 PM »
James - thought you might find this interesting!

Bob Z.
Awesome thanks!!!!!!!

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline Robert Zambelli

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Re: Saito 45
« Reply #13 on: April 12, 2019, 03:35:50 PM »
James - you mentioned obtaining a SAITO 56.
Believe me, that is one fine engine.

Regarding what to put it in, what do you have in mind?

Sport flying, profile, Old Time Stunt, Classic Stunt, ama stunt, etc.
Any plane designed for engines .50 to .60 will be perfect for the SAITO 56.

You can scratch build or check out the Brodak catalog.

Bob Z.

Offline James Holford

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Re: Saito 45
« Reply #14 on: April 12, 2019, 03:37:27 PM »
Stunt n only stunt!! Lol

Pampa Stunt I reckon you could say.

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Jamie Holford
Baton Rouge Bi-Liners
Lafayette, La
AMA #1126767

Offline Dane Martin

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Re: Saito 45
« Reply #15 on: April 12, 2019, 03:48:51 PM »
Stunt n only stunt!! Lol

Pampa Stunt I reckon you could say.

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I had an os52 in my RM800. It only weighed 54oz ready to fly. And the Saito 56 is twice the engine. Lol

Online Dan McEntee

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Re: Saito 45
« Reply #16 on: April 12, 2019, 08:23:58 PM »
Yep... just to find a suitable plane for it :)

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     I am a fan of the Saito .56 also, and have a few plus a .62. Mine is in a Top Flite Score ARF, if you can lay your hands on one of those. Like Bob mentioned, any 60 size airplane with a healthy wing will be fine. The first four stroke I got to fly was Keith Sandberg's Legacy with a .56 in the nose that gave me the four stroke bug. It was a stock kit built airplane with the nose shortened an inch, if I remember correctly. VERY NICE combo! A Patternmaster would be another choice right off the top of my head. I have a set of cores for one of those and plans, so maybe some day!!I follow the Bob Reeves method of setting up a Saito and that is here on this forum I'm sure , plus on the Tulsa Gluedobber's website. They are defiantly a viable power plant and very interesting to run. I'm not ready to sell off all my Super Tigres just yet, but the Saitos ain't going anywhere either!!
AMA 28784
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