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Old 12-24-2020, 04:34 AM
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Yes, my fathead 120 had that same dished piston. The fathead doesn't make quite the power of a 120 special but runs cooler (larger fins), has less vibration (heavier) and handles very nicely (7.9:1 compression). If a fella wanted to get more ponies from a fathead it would likely do no harm to throw 50% nitro at it. Nice engines, I enjoyed running mine. The true fuel metering carb with midrange adjustment is the sweetest thing Saito ever produced imo. The FA65 carb runs a close second.

Interesting note: The fathead was produced with 2 different jugs; a side exhaust and a rear exhaust, mine was the rear exhaust version as found on the 120S, 150 and 180 engines.

Last edited by Glowgeek; 12-24-2020 at 04:54 AM.
Old 12-24-2020, 05:10 AM
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Dave, is your HC 150 still apart? We have a disparity in our measurements of the connecting rod. You measured 42 mm whereas I measured 42.94 mm on my later model lower compression 150.

Old 12-24-2020, 01:35 PM
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Originally Posted by Hobbsy
Lonnie, check out this Fat Head piston, it appears to have a deeper recess than the 120 I showed.

That is the dished piston I mentioned earlier. I only had the early, side exhaust fathead 120.
Old 12-24-2020, 05:24 PM
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Originally Posted by erieqc
Acdii Iíll ship out in the morning hopefully there is something in there you can use if not it didnít cost you anything. I also threw in an extra I have no use for and you might not either. If not trash it.

very much appreciated.

guess what finally got an update! Supposedly the tank was delivered, will have to check when I get home.

Spent a few hours and knocked out the first halves of the molds for my friend.



Old 12-25-2020, 07:09 AM
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Merry Christmas you old farts!
Old 12-25-2020, 07:27 AM
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Merry Christmas to all my Saito Friends
Old 12-25-2020, 07:55 AM
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Merry Christmas to all and to all may your hangers be full of happy Saitos!
Old 12-25-2020, 08:23 AM
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The Barons mount rests with snow on the upper wings.
Happy Christmas.
Old 12-25-2020, 10:32 AM
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Merry Christmas Y'all

BTW, when mixing epoxy that is 5:1 and it has calibrated pumps, remember that it is 1 pump to 1 pump, and not 5 pumps to 1 pump

That is all.
Old 12-25-2020, 12:01 PM
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Hmm... Is that the voice of experience speaking?!
Old 12-25-2020, 12:59 PM
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Merry Christmas @all.

Nice thread and great stuff. Amazing.... cheers Mauro
Old 12-25-2020, 02:03 PM
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Merry Saito Christmas.
amd a Happy Saito New Year.
Old 12-25-2020, 02:23 PM
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Originally Posted by acdii
Merry Christmas Y'all

BTW, when mixing epoxy that is 5:1 and it has calibrated pumps, remember that it is 1 pump to 1 pump, and not 5 pumps to 1 pump

That is all.
The only way to ho.
Old 12-25-2020, 07:05 PM
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Hi guys, Merry Christmas, I hope you had a great day

Jim
Old 12-26-2020, 05:29 AM
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Originally Posted by acdii
Merry Christmas Y'all

BTW, when mixing epoxy that is 5:1 and it has calibrated pumps, remember that it is 1 pump to 1 pump, and not 5 pumps to 1 pump

That is all.
Don't beat yourself up, you're not the first to do that. My friend Bob has built many cedar canoes throughout his lifetime but when he switched from one epoxy brand to another he did the same thing. The new epoxy brand came with one of those 5:1 pump systems.
Old 12-26-2020, 05:40 AM
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The plastic shops at work have had proportioning pumps on the epoxy stations since long before I came there. Pretty much automatic.
When first introduced to glass fiber and other composite work, I went wild making things.
After all those years I now try to avoid having anything to do with fiber anything.
Old 12-26-2020, 06:29 AM
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Looks like things are going to be slow to ship from HH. I ordered a replacement piston and gasket set for my FG14 Tuesday and have not gotten a shipping notice yet. I'm itching to get the FG14 into my 46-55 size H9 P51 and give it a whirl. Should be able to fly it all day for a dollar in fuel. Sweeeet
Old 12-26-2020, 06:48 AM
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For Christmas I treated myself to a pre-owned Hanger 9 AT-6 Texan 60 ARF with a very low time Saito FA125 mounted up front. Once I swap out the engine with an FG21, patch up the hogged out cowl, lower the fuel tank an inch, replace the crappy retracts and struts, redo the flexy control rods and fix the stab that's glued in all wonkey it should be pretty nice. Wait.......what the *#@% was I thinking? Well, it was really cheap Pics when I get it all back together.

Anyone need an extremely clean super low run time FA125 w/ box and manual?
Old 12-26-2020, 07:56 AM
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For Christmas I got the wife and myself a new backdoor. Your gift is a lot more fun!
Old 12-26-2020, 08:57 AM
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Originally Posted by Glowgeek
For Christmas I treated myself to a pre-owned Hanger 9 AT-6 Texan 60 ARF with a very low time Saito FA125 mounted up front. Once I swap out the engine with an FG21, patch up the hogged out cowl, lower the fuel tank an inch, replace the crappy retracts and struts, redo the flexy control rods and fix the stab that's glued in all wonkey it should be pretty nice. Wait.......what the *#@% was I thinking? Well, it was really cheap Pics when I get it all back together.

Anyone need an extremely clean super low run time FA125 w/ box and manual?
I would be very interested in the FA-125. PM me with details.
Old 12-26-2020, 09:33 AM
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My super boo boo of the day. Cracked in flight. Removed to repair. Attempted to braze. Burned a hole through it before the filler rod flowed. Original inlet collar was staked to the parent ring. Haven't completely lost the position into the ring by witness, but the ring flange is compromised. It will have to be reattached in position. Ok Have at it. I am ready for the bricks to fly.lol
As that wise old sage Chris Isaak once sang.
I done a bad bad thang.
Old 12-26-2020, 09:38 AM
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Originally Posted by Jesse Open
I would be very interested in the FA-125. PM me with details.
PM sent.

Old 12-26-2020, 09:57 AM
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Well, THANKFULLY the very first layer had solidified to the point it was no longer tacky and was flexible. I was able to peel the mess away from the plugs, and have a little touching up to do where the divider had made some marks. Everything else was a gooey mess. Epoxy wasted, lesson learned. You would think that after making 6 molds, several cowls, I would know that is it 1 pump hardener to 1 pump resin. What the hell was I thinking? $30 Gone just like that. At least I got the release agents done correctly, and it is a real shame too, the inside was perfectly smooth, no bubble or air pockets, my best one yet.
Old 12-26-2020, 02:51 PM
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Ha ha!

Relax, only $30. A screw up at work on a carbon fiber floor pan would be more like $15,000.
And the money isn't the big concern when you have a deadline to meet

Bet you never make that mistake again!
Old 12-26-2020, 06:43 PM
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Originally Posted by Glowgeek
For Christmas I treated myself to a pre-owned Hanger 9 AT-6 Texan 60 ARF with a very low time Saito FA125 mounted up front. Once I swap out the engine with an FG21, patch up the hogged out cowl, lower the fuel tank an inch, replace the crappy retracts and struts, redo the flexy control rods and fix the stab that's glued in all wonkey it should be pretty nice. Wait.......what the *#@% was I thinking?Name:  rolleyes.gif
Views: 211
Size:  1.0 KB Well, it was really cheapName:  biggrin.gif
Views: 204
Size:  1.0 KB Pics when I get it all back together.

Anyone need an extremely clean super low run time FA125 w/ box and manual?

Lonnie, you know what WW11 fighter would be nice ? the VQ Hellcat, a Saito 72 or 82 would make it a monster.

Jim
F6F_46size - VINH QUANG RC MODELS

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