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Old 04-27-2019, 03:02 PM
  #40351  
Hobbsy
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Thanks, I feel more Grampy from unloading a trailer load of firewood and then tilling the garden twice. I told my wife that I hurt all over more than anyplace else. I also squeezed in a 70 mile ride on Pete's favorite green ride.
I almost forgot, I was 77 yesterday and still not a candidate for slowing down.

I gotta go flying next.

Last edited by Hobbsy; 04-27-2019 at 03:05 PM.
Old 04-27-2019, 03:24 PM
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Jesse Open
 
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Originally Posted by Hobbsy
Jim, when I encounter that problem I countersink the bolt as I did on the 20 sized Cessna 150 here. You can't see exact detail but the socket head is nearly all inside the mount.

Saito FA 30 s on Cessna 150-20 sized.

When the ear is thick enough I like to counterbore for a standard cap screw. The flatheads as used with countersunk screws are usually used on thinner materials.


Last edited by Jesse Open; 04-28-2019 at 02:45 AM.
Old 04-27-2019, 06:35 PM
  #40353  
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Congratulations and happy belated birthday Dave, I know how you feel, I'm a Papa myself, and my granddaughter was born 9 days after my B-day, she's 3 now, and she has a smile a mile wide

"countersink"
why didn't you guys tell me that before I had the problem LOL

Jim
Old 04-28-2019, 03:17 AM
  #40354  
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Thanks gents, as can not quite be seen the entire head of the 3 mm socket head screw is inside the mount, Satos, with their carb on the back present that problem quite often. On occasion I bevel the inside left corner to clear an engine.
Old 04-28-2019, 03:17 AM
  #40355  
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Ever used a counterbore? They use a piloted cutter that follows the drilled hole and leaves a flat bottom hole to seat a standsrd socket head screw.

Last edited by Jesse Open; 04-28-2019 at 03:27 AM.
Old 04-28-2019, 03:34 AM
  #40356  
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I see we posted at the same time. As I said earlier, that is a counterbore hole.

I use them quite a bit. Good direct clamping force compared to a countersunk flathead screw. Smaller diameter head too.
Old 04-28-2019, 04:01 AM
  #40357  
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Hobbs that’s great I am at the movie this am to see a show with captcrunch Jr. she is so excited.
Who would have thought you could go to a movie at 7am?

Yeah to mount Saito’s can be a challenge. The cool thing about building a kit you can move the fire wall to compensate for the longer mount.
ARF’s don’t allow to much moving around. My Giles doesn’t have a long enough cowl to compensate for the Saito 180. I will have to change the cowl mount.
Old 04-28-2019, 04:11 AM
  #40358  
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Originally Posted by Captcrunch44
Hobbs that’s great I am at the movie this am to see a show with captcrunch Jr. she is so excited.
Who would have thought you could go to a movie at 7am?

Yeah to mount Saito’s can be a challenge. The cool thing about building a kit you can move the fire wall to compensate for the longer mount.
ARF’s don’t allow to much moving around. My Giles doesn’t have a long enough cowl to compensate for the Saito 180. I will have to change the cowl mount.

Yes sir, there are lots of little problem solvers you can rig up. CC JR, I like that.

One throttle linkage example.


Precise and nearly friction free.
Old 04-28-2019, 08:08 AM
  #40359  
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Near identical to the DuBro 4 stroke linkage fro the 1980 era.


Many folks solve that problem nicely with less parts by putting a trombone style U-Turn on the linkage. Still low friction and precise due to lower backlash.
Old 04-28-2019, 08:24 AM
  #40360  
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Hey Crunch, no spoilers from Avengers K?!

Here is my latest work of art. Engine pod for the B-25. Now to make one more. The only issue I have yet to resolve is the fuel line. The nipple on the carb is pointing straight down, so a sharp bend is needed on the fuel line.




Old 04-28-2019, 09:58 AM
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Those saito fg engines have a choke?
Old 04-28-2019, 10:41 AM
  #40362  
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Lol ACDIi
Well this is what happens........
Old 04-28-2019, 12:13 PM
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Originally Posted by Glowgeek
Those saito fg engines have a choke?

No chokes, I remove all chokes anyway. Less parts but probably wrong anyway.
Old 04-28-2019, 12:22 PM
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guys, when I setup to drill the mounting holes in the mount the Carb was off the engine, if it was on I would have just moved the engine forward 2mms,,, I never mounted a Saito before,,, but,,, I have learned something LOL

Jim
Old 04-28-2019, 12:29 PM
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My first rc four stroke engine was an Enya .46 MKII four stroke, I learned right off about the longerness problem. It's good to learn stuff.
Old 04-28-2019, 12:39 PM
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any one know what's going on with JR, are they out of the hobby for good ??

I would like to buy some XBus 2 and 4 port cables but I can't find any

Jim
Old 04-28-2019, 12:44 PM
  #40367  
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Telemetry Link for Spektrum X-BUS

Are they something like this? Thanks
Old 04-28-2019, 01:02 PM
  #40368  
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Dave, like this,,, IF the link works

Jim

https://rc.zenmtech.com/catalog/prod...15/image/1645/
Old 04-28-2019, 03:01 PM
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Thankyou.
Old 04-28-2019, 03:22 PM
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According the the manual, the FG 30 has a choke that is in the barrel. There is supposed to be a threaded rod that comes with it that screws into the throttle arm where the LSN is located. However, neither of my engines came with one. Mo mention of it in the parts list either.
Old 04-28-2019, 05:23 PM
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Originally Posted by acdii
According the the manual, the FG 30 has a choke that is in the barrel. There is supposed to be a threaded rod that comes with it that screws into the throttle arm where the LSN is located. However, neither of my engines came with one. Mo mention of it in the parts list either.
I guess they start OK without a choke?
Old 04-28-2019, 06:09 PM
  #40372  
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ooops, yes guys, I will have to use that throttle linkage setup in the photo above, or I could glue a thick piece of wood on the inside of the engine wall, and countersink the engine wall hole and use a Heli linkage ball on the arm, that would be a clean setup, I will have to think on that one..

Jim
Old 04-28-2019, 06:37 PM
  #40373  
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The u-turned rod sometimes stutters from being too springy. The swing lever as I have shown and the Dubro are very precise.
Old 04-28-2019, 06:56 PM
  #40374  
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Originally Posted by Hobbsy
The u-turned rod sometimes stutters from being too springy. The swing lever as I have shown and the Dubro are very precise.
Yeah, those throttle reversing arms for 4 strokes are pretty slick. I use the 180° bent wire loop on two of my 4 stroke setups, no problems at all as long as you use a ball link on the throttle arm and a quick adjuster on the servo arm (to keep the control rod from twisting). Lighter weight, sometimes easier to set up and cheaper too. Just say'n.

Last edited by Glowgeek; 04-29-2019 at 02:10 AM.
Old 04-29-2019, 02:38 AM
  #40375  
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Dave usually when i'm aching all over it's because i got into a corner to fast and got flicked over the highside,i imagine tilling a garden as you say could feel the same minus the gravel rash but i found something you can do that is even scarier.My daughter is getting married this friday and i need to get booted and suited,so in preparation i went to a beauty salon and got one of those face peels all the women talk about,parrently it rips all the cooties out and i know why now,man

I agree,if you mean gary's way of trombone wire setup is good and simple if you select the right wire and set it up skillfully.I use braided wire because it's flexible and slot the firewall where the throttle cable just peeks thru and a ball joint to the throttle arm as it rocks up and down from idle thru to full throttle.

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