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Old 07-02-2019, 10:25 AM
  #41201  
the Wasp
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Originally Posted by Rudolph Hart
Well then i hope you replaced some screws or it WILL come apart, just kidding, i like that red one kmot painted.
Lonnie if the fa100 and 82 carb parts have the same hsn needle part number, will you be buying the same cats eye spray bar part as well?

ps jim, can you really get flight insurance over there? if so i have a plan to disinvest you of that smelly two stroke you still own and whatever heli parts you still have in one hit, won't cost you a cent when the insurance company see the what can happen when you smoke and refuel at the same time.It's OK, you can thank me later.
Pete, I did see on TV once a big fun-fly for RC turbine's, one guy was there for his plane's first flight, and he did say he could buy insurance on it for the first flight only. but that was some 20 years ago that I saw that

Jim
Old 07-02-2019, 10:43 AM
  #41202  
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Originally Posted by Glowgeek
Found the problem with the super rich midrange, the ultra copper I was using to make up the gap between the 82 intake manifold and the 100 carb was leaking. Apparently Ultra cooper rtv is not nitro proof.

Having that leak on the vacuum side of the carby was requiring a more open LSN for idle and the outcome is predictable. Found an oring that fits and problem solved.

Compression 11.75:1
100 carby
Custom muffler
15% Nitro Omega
APC 14x6
80į f
80% humidity

Sustainable peak 9650 rpm
Richened to 9500 rpm for flight
Idle 1650 rpm solid
Transition is great

I may try adding a .005" shim under the cylinder to see what the difference between 11.75 and 10.5 compression is, if any.
Lonnie, you missed it, you missed what I said way back, yes the 100's manifold tube is slightly larger, but it will fit the 82's intake port. yet you will have to shorten it a bit. it's worth a try for the price of the manifold

BTW, I just pulled the carbs off and checked it again for you,,, yee-up,it fits

Jim

Last edited by the Wasp; 07-02-2019 at 10:51 AM. Reason: well what you think, of course I had to install a smiley face
Old 07-02-2019, 01:17 PM
  #41203  
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Originally Posted by acdii
Uh, no, my trailer isn't big enough for that, and carbon fiber stinks when burned. THAT"S ALL FOLKS!



OK, guess it does allow all caps a bit eh?
i would help you with the trailer if we could get together on a certain 168
Old 07-02-2019, 01:57 PM
  #41204  
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Originally Posted by the Wasp
Lonnie, you missed it, you missed what I said way back, yes the 100's manifold tube is slightly larger, but it will fit the 82's intake port. yet you will have to shorten it a bit. it's worth a try for the price of the manifold

BTW, I just pulled the carbs off and checked it again for you,,, yee-up,it fits

Jim
Didn't miss it Jim, just don't want to lose torque for spool up. Also tired of buying parts for the pig. I may try one later on.
Old 07-02-2019, 03:30 PM
  #41205  
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Originally Posted by Captcrunch44


i would help you with the trailer if we could get together on a certain 168
You really want it? Shoot me an offer and we can meet up.
Old 07-02-2019, 10:36 PM
  #41206  
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Hey Lonnie,
Good catch on the leaky intake
had me head scratching as the carbs should be plenty close enough.

Very interesting "series".
Old 07-02-2019, 10:45 PM
  #41207  
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Originally Posted by Jesse Open
Welcome aboard,

That anti-reversion pipe was actually not real quiet. I can give you some details on this very quiet canister muffler.
The video is deceiving since the exhaust note is so low , the other mechanical noises and prop noise overpower it.
Let us know what tools you have on hand as well. These systems can be made from other materials using other methods and the equipment on hand determines those methods.
Hello Jesse

You have me entice with this canister,
If it's not too much asked, can you give me more details on its design :
Volume of the body compared to the engine displacement, length and diameter of the pipes and a small sketch ..

thanks you so much
Old 07-03-2019, 03:08 AM
  #41208  
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For Saito 150
RC Specialties Turbo Header Muffler and right angle

A review of a ready made product.
Old 07-03-2019, 03:49 AM
  #41209  
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Originally Posted by Mesnil76
Hello Jesse

You have me entice with this canister,
If it's not too much asked, can you give me more details on its design :
Volume of the body compared to the engine displacement, length and diameter of the pipes and a small sketch ..

thanks you so much

Sure will, you should really enjoy the project .Right now I am tied up, we had a power failure last night and see have been up for 27 hours now. Had to tend to the generators last night. Finishing up a very big paver project too. I will shoot you the dimensions later. This muffler should be exactly what you are looking for to keep things very quiet.
What country are you in? If shipping isn't crazy, I can send you the aluminum you will need.
Old 07-03-2019, 07:50 AM
  #41210  
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Originally Posted by Jesse Open



Sure will, you should really enjoy the project .Right now I am tied up, we had a power failure last night and see have been up for 27 hours now. Had to tend to the generators last night. Finishing up a very big paver project too. I will shoot you the dimensions later. This muffler should be exactly what you are looking for to keep things very quiet.
What country are you in? If shipping isn't crazy, I can send you the aluminum you will need.
Ok Jesse, I'm in no hurry. first set all your worries.

It's very cool to offer me aluminum, but I'm in France and the shipping costs must be a bit spicy.
In addition I have a fairly easy supply because I have a friend who works in aeronautics and he can provide me
material falls, and also make me welds on aluminum.

I'm lucky

Old 07-03-2019, 08:21 AM
  #41211  
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Indeed
Old 07-03-2019, 09:50 AM
  #41212  
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Originally Posted by Glowgeek
Didn't miss it Jim, just don't want to lose torque for spool up. Also tired of buying parts for the pig. I may try one later on.

Lonnie, just for reference, I had the numbers written down, the 100"s manifold ID is .018" larger than the 82"s.. but know the tubes are not perfectly round

Jim
Old 07-03-2019, 11:06 AM
  #41213  
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Originally Posted by the Wasp
Lonnie, just for reference, I had the numbers written down, the 100"s manifold ID is .018" larger than the 82"s.. but know the tubes are not perfectly round

Jim
Thanks Jim, I appreciate the measurements you do.

Right, so the ID is .018" larger and that would decrease intake charge velocity compared to the smaller 82 intake. The larger dia would probably peak at higher rpms though that's not what I'm shooting for entirely.

I need to maintain as much low/mid torque as possible for my style of flying so I'm sticking with the smaller dia intake for now.
Old 07-03-2019, 07:02 PM
  #41214  
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Originally Posted by Glowgeek
Thanks Jim, I appreciate the measurements you do.
Right, so the ID is .018" larger and that would decrease intake charge velocity compared to the smaller 82 intake. The larger dia would probably peak at higher rpms though that's not what I'm shooting for entirely.
I need to maintain as much low/mid torque as possible for my style of flying so I'm sticking with the smaller dia intake for now.
I told Dave the other day that I was going to put my FA 82 in my GP ShoeString, on it's side or up side down I will have to cut a big hole in the cowl, to mount it upside down I will have to glue in/plug the holes in the engine wall and drill new holes, plus the prop calculator tells me I will loose performance to what the OS 61 performed.. well I am sick of messing around with it! a big muffler may not look scale hanging off the side of the plane, but the OS 70sz is a bolt on fit and it's never been started. and the regulator is a bolt on fit. I will get a photo of the SZ, I gave it a hair cut

Jim



Last edited by the Wasp; 07-03-2019 at 07:13 PM.
Old 07-04-2019, 02:57 AM
  #41215  
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Jim, I seriously doubt that you will lose any performance using the .82. That OS is a nice lookin engine. This regulator you mentioned, is that a separate part? Thanks, Dave
Old 07-04-2019, 03:24 AM
  #41216  
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Well well well
now this came in the mail what do I do with this.

Old 07-04-2019, 03:36 AM
  #41217  
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It looks like Terry Grant himself set up that ignition, in the 90's probably. Are you going to stick with the ignition or go a little more more modern? Thanks

It's great lookin engine. Are the black cylinders standard. Thanks again.
Old 07-04-2019, 03:55 AM
  #41218  
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Originally Posted by Hobbsy
It looks like Terry Grant himself set up that ignition, in the 90's probably. Are you going to stick with the ignition or go a little more more modern? Thanks

It's great lookin engine. Are the black cylinders standard. Thanks again.
I would say I would like to go back to glow. It is the duel plug and carb style. I might try to run it as is first then if itís ok I might consider newer ignition.
As far as I know the 300ís all had this cylinder combination GK top and standard case
Old 07-04-2019, 06:00 AM
  #41219  
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Dave's Smith Miniplane 2017
Nice catch there. My buddy, Dave has a 300 in his beautiful scratch built Smith Miniplane. That is one heck of an engine and it runs super on glow.

Last edited by Jesse Open; 07-04-2019 at 06:04 AM.
Old 07-04-2019, 06:24 AM
  #41220  
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Originally Posted by Captcrunch44

I would say I would like to go back to glow. It is the duel plug and carb style. I might try to run it as is first then if itís ok I might consider newer ignition.
As far as I know the 300ís all had this cylinder combination GK top and standard case
Yes sir, I Googled Images and all with black cylinders came up.
Old 07-04-2019, 06:29 AM
  #41221  
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Originally Posted by Hobbsy
Yes sir, I Googled Images and all with black cylinders came up.
Yep,
They are black.

Dave initially had timing problems when he assembled his 300. He brought it over and while setting it up with a degree wheel it turned out the Saito manual had an error. Anyhow, we got the bugger right and it really runs nice. Dave also had a Gemini 300 in a nine foot Flybaby. The Saito was my favorite of the two.

Captain, Looks like you have plenty of 1 2 3 blocks on hand there

Last edited by Jesse Open; 07-04-2019 at 06:38 AM.
Old 07-04-2019, 08:55 AM
  #41222  
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Yup I thought the 300 would run on glow with no problem. I am thinking of running with ignition, then on glow just for the fun.
Found a deal on eBay I have ten of them 1,2,3 blocks there very helpful in building
Old 07-04-2019, 10:37 AM
  #41223  
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Jim, I'd put that OS 70 slimer on there too, you'll get way more top speed than a FA82. Break it in with an 11x6 and then put a 10x9 or 10x10 apc on it. Woohoo!
Old 07-04-2019, 01:51 PM
  #41224  
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Originally Posted by Glowgeek
Jim, I'd put that OS 70 slimer on there too, you'll get way more top speed than a FA82. Break it in with an 11x6 and then put a 10x9 or 10x10 apc on it. Woohoo!

He could accomplish the same and maybe more with a 13 x 8 or a 12 x 10 on the 82.
Old 07-04-2019, 02:00 PM
  #41225  
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I rebuilt this Saito 56 today with new Boca Bearings, new ICBIM gaskets, new cam and lifters and new paint on the crankcase.

Newly reassembled and great compression.

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