Welcome to Club SAITO !
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I rmember what an old friend you to say, he looked forward to Alzheimer's because then there were no old jokes! With my luck I would remember the jokes but forget how to tie my shoes. (Did I mention I'm wearing slip ons?)
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Hey I just had an idea for the AMA's next project. A home for old R/C pilots. Naturally it will need to have a well stocked proper workshop and a flying field with a bathroom with windows facing the flight line over the urinals for when emergencies arise.
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Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
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I just assembled a Saito 120-S from parts I bought from Gary, I used a 2..20 velocity stack and sleeved it down from 12 mm to 9.50 mm close to the 9.25 mm venturii. I think it should have gold rocker covers but I love the ones you. see.
12 mm velocity stack precisely sleeved down compliments of the new lathe.
12 mm velocity stack precisely sleeved down compliments of the new lathe.
I wouldn't
Saito FA-100
15% nitro
f plug
38°f
5 minute warm up
12x12.5 APC
9720 peak
1.73 hp
5.89 lbs. static thrust
With this 12x12.5 apc you would be richening off of peak which would put the fa100 at around 9400 rpm on the ground. With your WM 46 size P51 I think the prop would unload something like 600-800 rpm in the air and the fa100 would then be spinning that 12x12.5 at around 10100 rpm and flying by at around 104 mph straight and level. I'd say the 12x12.5 apc would be a better choice than a 12x12 apc.
Saito FA-100
15% nitro
f plug
38°f
5 minute warm up
12x12.5 APC
9720 peak
1.73 hp
5.89 lbs. static thrust
With this 12x12.5 apc you would be richening off of peak which would put the fa100 at around 9400 rpm on the ground. With your WM 46 size P51 I think the prop would unload something like 600-800 rpm in the air and the fa100 would then be spinning that 12x12.5 at around 10100 rpm and flying by at around 104 mph straight and level. I'd say the 12x12.5 apc would be a better choice than a 12x12 apc.
Last edited by Glowgeek; 01-21-2020 at 03:43 PM.
I wouldn't
Saito FA-100
15% nitro
f plug
38°f
5 minute warm up
12x12.5 APC
9720 peak
1.73 hp
5.89 lbs. static thrust
With this 12x12.5 apc you would be richening off of peak which would put the fa100 at around 9400 rpm on the ground. With your WM 46 size P51 I think the prop would unload something like 600-800 rpm in the air and the fa100 would then be spinning that 12x12.5 at around 10100 rpm and flying by at around 104 mph straight and level. I'd say the 12x12.5 apc would be a better choice than a 12x12 apc.
Saito FA-100
15% nitro
f plug
38°f
5 minute warm up
12x12.5 APC
9720 peak
1.73 hp
5.89 lbs. static thrust
With this 12x12.5 apc you would be richening off of peak which would put the fa100 at around 9400 rpm on the ground. With your WM 46 size P51 I think the prop would unload something like 600-800 rpm in the air and the fa100 would then be spinning that 12x12.5 at around 10100 rpm and flying by at around 104 mph straight and level. I'd say the 12x12.5 apc would be a better choice than a 12x12 apc.
so that sounds awesome!!! Thanks for running that.
would it be any benefit to maybe go to a 12-13 then. Or a 13-12.
you don’t need to run those I see how it works better now. Thanks a bunch
Dave,
Hang in there, I will send you some big block exhaust goodies too. That 120 looks spiffy and I see you wasted no time at pressing your new machine into service. Those valve covers with matte finish were badly corroded and had pitted, flaky plating. They were stripped using a Scotchbrite wheel in a bench grinder. I kind of liked the look too. They do take paint well if you take the notion.
Good work !
Hang in there, I will send you some big block exhaust goodies too. That 120 looks spiffy and I see you wasted no time at pressing your new machine into service. Those valve covers with matte finish were badly corroded and had pitted, flaky plating. They were stripped using a Scotchbrite wheel in a bench grinder. I kind of liked the look too. They do take paint well if you take the notion.
Good work !
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Dave, you could always make them pink! Or bright yellow or lime green for something different.
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checkout this black jet, that's not black. sorry no Saitos, but I used the word Saito so it's OK to post the video , that's the loop hole.
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
Jim
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
Jim
My Feedback: (102)
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
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25 Posts
https://www.rcuniverse.com/forum/market/11674000
Two Saito 90 TS for sale, the guy has 23 good and zero bad ratings. He's in Cyprus though. A little pricey at $480.00 and free shipping.
Two Saito 90 TS for sale, the guy has 23 good and zero bad ratings. He's in Cyprus though. A little pricey at $480.00 and free shipping.
My Feedback: (102)
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes
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25 Posts
checkout this black jet, that's not black. sorry no Saitos, but I used the word Saito so it's OK to post the video , that's the loop hole.
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
https://youtu.be/82pMvn8T12U
Jim
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
https://youtu.be/82pMvn8T12U
Jim
My Feedback: (102)
Join Date: Dec 2001
Location: Colonial Beach, VA
Posts: 20,370
Likes: 0
Received 25 Likes
on
25 Posts
Dave,
Hang in there, I will send you some big block exhaust goodies too. That 120 looks spiffy and I see you wasted no time at pressing your new machine into service. Those valve covers with matte finish were badly corroded and had pitted, flaky plating. They were stripped using a Scotchbrite wheel in a bench grinder. I kind of liked the look too. They do take paint well if you take the notion.
Good work !
Hang in there, I will send you some big block exhaust goodies too. That 120 looks spiffy and I see you wasted no time at pressing your new machine into service. Those valve covers with matte finish were badly corroded and had pitted, flaky plating. They were stripped using a Scotchbrite wheel in a bench grinder. I kind of liked the look too. They do take paint well if you take the notion.
Good work !
Final testing has to be done in flight. A 13x10 may actually fly your warbird faster than a 12x12.5 even if both props are spinning at the same rpm! Sounds weird I know, but it all depends on how much drag your plane has. Prop diameter gets you thrust, prop pitch gets you speed.
But here's the thing, you will never reach prop pitch speed if you don't have enough thrust to get you there.
My Feedback: (6)
checkout this black jet, that's not black. sorry no Saitos, but I used the word Saito so it's OK to post the video , that's the loop hole.
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
https://youtu.be/82pMvn8T12U
Jim
Dave, don't paint those beautiful rocker covers, send them out and have them chromed
https://youtu.be/82pMvn8T12U
Jim
https://carf-models.com/en/products/b-2-spirit
The rockers do look good all bare naked.
Junior Member
Join Date: Aug 2019
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Sorry if wrong place to post but. My saito has a fitting with a hole in it in on the flexible header. . I presume smoke but there are no threads in it and opens into the inside of header. Wouldn't that make for less muffler pressure for fuel tank. Should I tap it and put screw in it?