Glow Engines Discuss RC glow engines

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Old 04-14-2017, 05:30 PM
  #651
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That Micromark looks pretty much like the Harbor Freight one.
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Old 04-14-2017, 05:32 PM
  #652
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the Grizzy 9x20 is (or was) a copy of the Jett, I know because I have a Jett, made in Taiwan, bought it some 25 years ago,, I bought one of the last ones made in Taiwan, after that they were made in china and the quality went down, the price went down too by $1000.. note that there is more than 1 clone of the Jett

I suggestion to any one that wants to buy a Lathe or a Mill is to take a long month or 2 and look very good at all the ones out there before buying, and do not buy a cheap Chinese "clone" product,, I also suggest to buy a Lathe no smaller than a 9x20

Jim
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Old 04-14-2017, 05:42 PM
  #653
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Quote:
Originally Posted by aspeed View Post
That Micromark looks pretty much like the Harbor Freight one.
say clone

Jim
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Old 04-15-2017, 03:24 AM
  #654
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They aren't identical, mainly because the Harbor Freight offerings are 7x10 and 7x12 while the Micromark is 7x16, but a lot of the castings are really similar. I wonder how 'tight' the HF Lathe is compared to the MicroMark? Or, is the MicroMark a lower-quality lathe too???

Yeah, that's tempting. I do have to admit that my brother bought a wood lathe from HF and likes it a lot....

Bob
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Old 04-15-2017, 03:40 AM
  #655
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Good morning Bob, here is the skinny on the MicroLux lathe. I have their table saw with 3" blade and variable speed DC motor and their MicroLux drill press with variable speed DC motor.

http://www.micromark.com/MicroLux-7x16-Mini-Lathe
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Old 04-15-2017, 06:50 PM
  #656
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I was going to tell you guys not to forget to look at Enco Lathes, well I looked them up on google Images and found my lathe with Enco's name on it.. don't forget to look at Enco Lathes

Jim

https://youtu.be/NoV0SpMXIIU?t=59
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Old 04-16-2017, 05:20 AM
  #657
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All of this talk of lathes in an OS Engines thread makes me wonder... I thought modifying OS engines was like voodoo or something?
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Old 04-16-2017, 06:49 AM
  #658
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Hobbsy,

Thanks for that link. I'll check it out.

Bob
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Old 04-18-2017, 11:04 PM
  #659
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Of Course I can join this Club. Might be a much more exclusive Club if it would be "never owned an OS Club".

I have modified several OS or brought them back to life.
- OS 46FX/ 46SF with heli piston-liner
- 46FX with heli piston/ring and Magnum cromed liner.
- FS70 Ultimate modified to reliable running by throwing away the pump and the carburetor. Replaced it with a Super Tigre ST34H carburetor. Now it powers a Magic 3D Funflyer.
- saved some old FSR 40/45/50/60 engines and gave them a job in my models. Those FSR series are super reliable and powerful.
- I have a Wankel PI49 II which is still running great (most of them don't because of wrong oil and prop selection)
- Did some heli engine conversions to wing application. 50SX-H, 70SZ-H, 55HZ-H

Btw. Does anybody know the dimensions of the rear bearing of the OS 60FSR ?
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Old 04-19-2017, 04:47 AM
  #660
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Quote:
Originally Posted by Stoneweapon View Post
Of Course I can join this Club. Might be a much more exclusive Club if it would be "never owned an OS Club".

I have modified several OS or brought them back to life.
- OS 46FX/ 46SF with heli piston-liner
- 46FX with heli piston/ring and Magnum cromed liner.
- FS70 Ultimate modified to reliable running by throwing away the pump and the carburetor. Replaced it with a Super Tigre ST34H carburetor. Now it powers a Magic 3D Funflyer.
- saved some old FSR 40/45/50/60 engines and gave them a job in my models. Those FSR series are super reliable and powerful.
- I have a Wankel PI49 II which is still running great (most of them don't because of wrong oil and prop selection)
- Did some heli engine conversions to wing application. 50SX-H, 70SZ-H, 55HZ-H

Btw. Does anybody know the dimensions of the rear bearing of the OS 60FSR ?
The 60FSR uses an odd sized bearing. Nobody has it except Boca Bearings and it's an $18 bearing. It is marked right on the bearing "OS160" and nothing else. I don't off hand know the dimensions, but if you do some googling, you'll find it. The engine reviews at Sceptreflight list the bearing specs for the 60FSR, but they're incorrect - at least for the example I have.
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Old 04-20-2017, 03:50 AM
  #661
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https://www.bocabearings.com/product...0-th9-c3c-2953
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Old 04-20-2017, 01:14 PM
  #662
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Quote:
Thats the one. She's a spendy son of a gun. Boca is the only bearing house that has that one too.
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Old 04-21-2017, 09:46 AM
  #663
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I ran the OS LA 10 as shown in post 639

Fuel=== Wildcat 10% 18% full syn.
Stock muffler with muffler extension

Max rpm with 7x5 shown above==15,450

Best idle, really nice and smooth==2,300

Last edited by Hobbsy; 04-21-2017 at 03:05 PM.
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Old 04-22-2017, 06:43 PM
  #664
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Quote:
Originally Posted by Stoneweapon View Post
Did some heli engine conversions to wing application. 50SX-H, 70SZ-H, 55HZ-H
StoneWeapon, what Drive Washer (Prop Hub) did you use on the OS 70 SZ to make it into a plane engine ??
I have a .60 size GP ShoeString, an OS 70 SZ would be fun in it

Jim
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Old 04-26-2017, 07:57 AM
  #665
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looking for os 46 fx cover plate assembly anyonr know where I can find

Last edited by highflyer22; 04-26-2017 at 08:01 AM. Reason: word left out
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Old 04-26-2017, 07:59 AM
  #666
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looking for fx 46 cover plate assembly anyone know where I can find
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Old 04-26-2017, 09:02 AM
  #667
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I've heard of glow engines being started without the igniter attached. I always thought this was malarchy. Guess what happened to me? Yesterday I was bench running my OS FS A .56. I got the mixture settings at optimum. I shut it down to cool ( perfectly cold). I fueled up the test stand again for another go. I choked the engine and then turned it over to ensure it wasn't locked up due to flooding. The prop left my grip and I got out of the way just in time when the engine started (with no power to the plug). Went in the house to change my depends. Be aware of engines with real good compression and a well tuned carb. Always assume it may run without power to the plug.
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Old 04-26-2017, 10:35 AM
  #668
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Quote:
Originally Posted by the Wasp View Post
StoneWeapon, what Drive Washer (Prop Hub) did you use on the OS 70 SZ to make it into a plane engine ??
I have a .60 size GP ShoeString, an OS 70 SZ would be fun in it

Jim
I used one from an OS 61 SX-H.
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Old 04-28-2017, 04:36 PM
  #669
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thank you Stoneweapon !!

Jim

Last edited by the Wasp; 04-28-2017 at 04:39 PM. Reason: well because if I didn't I wouldn't be able to type here in this little box of reason
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Old 04-29-2017, 03:00 AM
  #670
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It hasn't happened to me, controlliner, and like you, I always thought that that was an urban myth. Then, several years back, a couple of reliable RC column writers reported that this happened to them personally. I guess it's that 'diesel' effect. Everything has to be just perfect, but it could happen.

Bob
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Old 04-30-2017, 02:40 AM
  #671
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Quote:
Originally Posted by controlliner View Post
I've heard of glow engines being started without the igniter attached. I always thought this was malarchy. Guess what happened to me? Yesterday I was bench running my OS FS A .56. I got the mixture settings at optimum. I shut it down to cool ( perfectly cold). I fueled up the test stand again for another go. I choked the engine and then turned it over to ensure it wasn't locked up due to flooding. The prop left my grip and I got out of the way just in time when the engine started (with no power to the plug). Went in the house to change my depends. Be aware of engines with real good compression and a well tuned carb. Always assume it may run without power to the plug.
I have actually seen this happen a few years ago (2000-2002).

A modeller in my club tried to start and run a YS 120 4-Stroke with the wrong fuel (10% Nitro, 12% synth oil).
After several attempts of starting he removed the glow battery and turned around. Then the engine started and turned several times. I wonder what would have happend if he had his hands near the prop...
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Old 06-02-2017, 09:36 AM
  #672
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What size prop os 40 la??
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Old 06-02-2017, 09:43 AM
  #673
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10-6" is standard. 9-7 or 11-4 if you want to faster or slower. Good place to start from.
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Old 06-02-2017, 10:48 PM
  #674
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Aspeed is correct.

james
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Old 06-24-2017, 04:21 AM
  #675
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I recently picked up a Gemini FT-160. It looks like it has never been run. Looking through the glow plug holes I can see that the pistons are clean. Would like to know if there is anything I should do or check before trying to start it. The one push rod cover is dented but not hitting the push rod. Should I change it?

The serial number is 5911.
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