Welcome to Club SAITO !
02-28-2017, 10:33 AM
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A bullet proof product that in most cases will get you about 200 to 250 rpm over the stock exhaust and with the right angle adapter is very easy to hide in a cowl.
http://www.rcspecialties.net/products.php?model=TH12X1A.
http://www.rcspecialties.net/products.php?model=TH12X1A.
I talked with JR Meridith who is one of the owners. Super nice guy, and more than happy to help on this and some other questions that came up. He's been a user and advocate of the old four stroke glow engines for years and is sad to see the decline in popularity of those engines. Nevertheless he is committed to continue to support this aspect of the hobby and plans to remain a provider of the things we need to make the Saitos perform. If it's appropriate I'd like to share his number: 270-781-1476. It may be useful to someone else who runs into this problem.
I should add that as I was typing this I received a call from Jim Coppit, the owner of RC Specialties. I had called them earlier this morning but didn't leave a message. He saw my number as a missed call and called me to see if there was anything he could do for me. Can't ask for better service than that. I guess you could say I'm sold on that company and I haven't even used their product yet.
Rick...
02-28-2017, 10:46 AM
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To all the commenters on my FA 40...
Good tips. In fact I've used a couple on some other old carbs in the past. This situation seems to be different though. The engine is brand new and hasn't been run so I don't think that the carb has been fouled with old fuel. The barrel is half open so when looking down the air intake I can see what looks like rust along the seam between the barrel and body. I've used a magnifying glass to get a closer look. I've also taken a pick to it and there is definitely a solid rough build up in that area. Since the carb is not listed as a stocked item at Horizon they suggested that I send it in for them to have a look at it even though it is not warrantied to me as the second owner. He hinted that they might have an old one laying around in their 'parts bin'. I'll give that a shot unless I can come up with another source.
Rick...
Good tips. In fact I've used a couple on some other old carbs in the past. This situation seems to be different though. The engine is brand new and hasn't been run so I don't think that the carb has been fouled with old fuel. The barrel is half open so when looking down the air intake I can see what looks like rust along the seam between the barrel and body. I've used a magnifying glass to get a closer look. I've also taken a pick to it and there is definitely a solid rough build up in that area. Since the carb is not listed as a stocked item at Horizon they suggested that I send it in for them to have a look at it even though it is not warrantied to me as the second owner. He hinted that they might have an old one laying around in their 'parts bin'. I'll give that a shot unless I can come up with another source.
Rick...
02-28-2017, 12:11 PM
I did not realize the big difference in size. What accounts for that? I see the new case design on the new one, but that couldn't be the reason for the reduction in size? Even the jug is smaller (I like big jugs)
SAITO FA-120abc
VBR, Richard
SAITO FA-120abc
VBR, Richard
02-28-2017, 04:52 PM
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02-28-2017, 04:53 PM
I forgot to mention W8YE when I was talking about moderating in Engines. Jim has been here the longest and knows more than anyone else I've known when it comes to engines. I know Dave thinks of Jim as a close friend as I do myself. He looks in here often but has his hands full in gas engines.
02-28-2017, 08:09 PM
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Saito FG61 TWIN Exhaust Guidance
Wow..........this "Club Saito" is something. Funny that I have 5 Saito engines. Anyway I need some direction. Tomorrow I have a Saito FG 61cc twin arriving. The engine is for a special cub build. I am building a 120 inch 50CC J3 Cub to replicate (as close as possible) the Hanger 9 Carbon Cub 15cc.
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
03-01-2017, 01:34 AM
03-01-2017, 01:54 AM
Wow..........this "Club Saito" is something. Funny that I have 5 Saito engines. Anyway I need some direction. Tomorrow I have a Saito FG 61cc twin arriving. The engine is for a special cub build. I am building a 120 inch 50CC J3 Cub to replicate (as close as possible) the Hanger 9 Carbon Cub 15cc.
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
03-01-2017, 03:54 AM
03-01-2017, 06:05 AM
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Although I have an adapter coming with it, I may be able to mount it directly to the engine. What's the standard practice for mounting the TurboHeader? Either with or without the adapter, do you recommend using any thread locker or anti seize products?
03-01-2017, 06:36 AM
Wow..........this "Club Saito" is something. Funny that I have 5 Saito engines. Anyway I need some direction. Tomorrow I have a Saito FG 61cc twin arriving. The engine is for a special cub build. I am building a 120 inch 50CC J3 Cub to replicate (as close as possible) the Hanger 9 Carbon Cub 15cc.
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
The engine comes with two flex pipes. They appear about 6 inches long each. I am sure they would work fine; however, I really do not desire to use them. My wishes are to have a header pipe of about 3 to 4 inches long coming straight down from each side of the engine and perhaps 45 degree towards the rear.
The modification will likely increase decibels; however, this is not a factor where I fly. To the best of my understanding the FG61 is the big brother to the older FG57 Twin.
Any exhaust/header ideas would be appreciated.
Teddy
http://www.rcspecialties.net/
03-01-2017, 07:06 AM
03-01-2017, 09:46 AM
Sincerely, Richard
Club Saito #635; Saito 56, 100, 120abc, 130T, 180
03-01-2017, 11:29 AM
A 50 cal bore with a .50 inch stroke would have a displacement of 0.098 cubic inches!, or 1.609 cc. Close enough to 0.099 ci.. Did Saito ever make an engine that small? Or is it even reasonable to make a 4 stroke that small?
Sincerely, Richard
Club Saito #635; Saito 56, 100, 120abc, 130T, 180
Sincerely, Richard
Club Saito #635; Saito 56, 100, 120abc, 130T, 180
I owned an O.S. Pet III in .099 2 cycle and I can't see that being built as a 4 cycle.
Last edited by FlyerInOKC; 03-01-2017 at 11:32 AM.
03-01-2017, 11:36 AM
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Thanks Richard, that is possibly the first 1.50 that Horizon sold, at least according to a lady who worked there at the time. The K&S tube is much larger than the outlet in the TH, it does not change the tuning at all. The 1.50 now wears the newer red trigger wheel and sensor. All these years have kept this picture of KMOT'S red Saito .45, to me it's impressive.
Last edited by Hobbsy; 03-01-2017 at 11:39 AM.
03-01-2017, 12:01 PM