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Old 02-05-2021, 10:28 AM
  #49751  
acdii
 
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Originally Posted by Hyjinx View Post
Hard starting. Forces on board glo battery and gizmo. Lack luster power production from an already poor weight to power engine design.
All my radials run 15/15% with castor and like it a lot.
no glo driver, easy starts and get you out of trouble.
Best yet.
No Dead SticksIMHO
Good. I have OBG on mine, didn't want to have to deal with jacks and cables and finding the right battery and all that stuff, plus it shares the battery for the retracts, and uses LiFe. Better that than dead weight.
Old 02-05-2021, 03:05 PM
  #49752  
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Originally Posted by acdii View Post
Good. I have OBG on mine, didn't want to have to deal with jacks and cables and finding the right battery and all that stuff, plus it shares the battery for the retracts, and uses LiFe. Better that than dead weight.
That's cool. Who makes the obg unit?
Running on a life would be a plus. My buddy wants one for a Saito radial he is running obg on.
Old 02-05-2021, 03:56 PM
  #49753  
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Crain Engineering - Glow Plug Drivers

Works quite well too.
Old 02-05-2021, 04:36 PM
  #49754  
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Nice! They got a version for any kind of battery you want to use.
Old 02-05-2021, 06:22 PM
  #49755  
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On Board Glow Driver:

"Something you have to buy when using OS multi-cylinder engines"

Old 02-05-2021, 07:42 PM
  #49756  
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Old 02-07-2021, 03:51 AM
  #49757  
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Interesting vid Jim. Did a search on the Goodyear F2G Super Corsair and appears a few of the 10 made were used for air races. As I'm not truly found of the F4U Navy Blue color scheme it looks like I may go for this F2G color scheme.



Old 02-07-2021, 04:01 AM
  #49758  
1200SportsterRider
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Very nice, you just reminded me of a US Aircore Colt 40 I have NIB, I flew one with a SuperTigre 51 Davis Diesel conversion. One of the easiest planes to land I ever owned. If and when I build this one it will get a Saito 56. It will be a tricycle.
Old 02-07-2021, 04:41 AM
  #49759  
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Originally Posted by Glowgeek View Post
On Board Glow Driver:

"Something you have to buy when using OS multi-cylinder engines"
Must be this little OS gem didn't get the message Lonnie.
if the link works anyway⚒️
Old 02-07-2021, 04:56 AM
  #49760  
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Originally Posted by Hyjinx View Post
Must be this little OS gem didn't get the message Lonnie.
if the link works anyway⚒️
Suspicious looking wires attached to the glow plugs. Am I to assume it's your engine and the glow driver is turned off? I'll believe you if you say so.

Either way it sounds Sirius-ly awesome!

Last edited by Glowgeek; 02-07-2021 at 06:09 AM.
Old 02-07-2021, 05:38 AM
  #49761  
Cougar429
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1200Sportster, yes, the carb it attached to the rear cover with only one fastener. There is no choke assy, though, and the LS needle has a thumbscrew.

So far I found it looks like my 56 is remarkably close in dims and the gasket set, pushrod covers and some other bits would be compatible. The carb ran before he dunked it so hopefully requires nothing beyond clean up.



Last edited by Cougar429; 02-07-2021 at 07:51 AM.
Old 02-07-2021, 06:14 AM
  #49762  
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Originally Posted by Glowgeek View Post
Suspicious looking wires attached to the glow plugs. Am I to assume it's your engine and the glow driver is turned off? I'll belive you if you say so.

Either way it sounds Sirius-ly awesome!
The wire loom is for initial glo lighting with a large nicad or nickel ( depending on temperature) . Just plugs in and pull after starting.
I run all my everyday radials with this set up. Currently a Saito R 450, a Saito FA 325 five cly, a OS FR300 five cyl and a Evolution 7-77. All four the same system. All idle and fun without glo on 15/15 fuel



Basically the same set up as the oem manuals indicate.
I did check the Crain product. Looks like a good system. Only a four clyinder set up max offered? Maybe use two for more clyinder applications in series or something.
I think a German company makes a similar unit but also only offered up to four cylinders also.
I tried several systems in the past, but found them unnecessary ultimately. And I am not a fan of electronics I don't care to use the batteries in general.
Jus me tho....
Old 02-07-2021, 07:12 AM
  #49763  
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Where's the "totally jealous" emoticon when I need it? Slobber, slobber, drool, drool. I need to go change my shirt.

Are you able to get OS twins to idle without glow power? I've had 3 of them through my shop in the last couple of months and none of them will. Saito twins, no problem.


Last edited by Glowgeek; 02-07-2021 at 07:19 AM.
Old 02-07-2021, 08:49 AM
  #49764  
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Originally Posted by Glowgeek View Post
Where's the "totally jealous" emoticon when I need it? Slobber, slobber, drool, drool. I need to go change my shirt.

Are you able to get OS twins to idle without glow power? I've had 3 of them through my shop in the last couple of months and none of them will. Saito twins, no problem.

My OS and Saito twins both run at idle and are reliable also Lonnie. Same system in singles thru triples years ago at Toledo Aldon Kelly, (manufacturer of Merlin Glow Plugs) encouraged me to allow at least thirty seconds of lighting prior to starting. He explained that with the glow plug system, better results are obtained by heating the head and upper combustion chamber before attempting to start. That has been my method combined with fuel and tuning. All about the same.
Old 02-07-2021, 09:13 AM
  #49765  
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Thanks Aaron, could it just be the OS twins weren't broken in far enough to idle without glow power? All three had excellent compression, no intake tract leaks, OS "f"plugs and a fully leaned lsn after about 80 ounces of 15% nitro fuel run through. Still, a cylinder would flame out after about 10 sec of idling on both fs120 Gemini-1 twins. The fs160 Gemini twin was better, taking about 30 sec to drop a cylinder. Hmmmm.
Old 02-07-2021, 09:36 AM
  #49766  
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My Gemini 120 purrs like a kitten without GP assistance. I know eventually the 120R3 will as well, but will still use it for starting it, right now it will idle about 2100 without OBG, 1700 with it. What I like, no plugs or loose wires to connect to that mar the lines of the plane. Bad enough I have 3 switches sticking out underneath. I will have it shut off at just under 1/3rd throttle and eventually have it off just above idle for starting. I'm still working out where to put the refueler and crankcase vent.
Old 02-07-2021, 09:42 AM
  #49767  
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Originally Posted by Glowgeek View Post
Thanks Aaron, could it just be the OS twins weren't broken in far enough to idle without glow power? All three had excellent compression, no intake tract leaks, OS "f"plugs and a fully leaned lsn after about 80 ounces of 15% nitro fuel run through. Still, a cylinder would flame out after about 10 sec of idling on both fs120 Gemini-1 twins. The fs160 Gemini twin was better, taking about 30 sec to drop a cylinder. Hmmmm.
Frustrating that is! The one in the pic is pretty loosie goosie, but runs strong. May be light for this old spacewalker hulll my buddy picked up cheap. I tanked a Christian Eagle I was running it on last summer. Couldn't wait to get it off the shelf and in the air again. Specs say it will fly. But on the low end of power. Probably be very prop specific .
Good clean fun 👍
Old 02-07-2021, 09:55 AM
  #49768  
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Originally Posted by acdii View Post
My Gemini 120 purrs like a kitten without GP assistance. I know eventually the 120R3 will as well, but will still use it for starting it, right now it will idle about 2100 without OBG, 1700 with it. What I like, no plugs or loose wires to connect to that mar the lines of the plane. Bad enough I have 3 switches sticking out underneath. I will have it shut off at just under 1/3rd throttle and eventually have it off just above idle for starting. I'm still working out where to put the refueler and crankcase vent.
It dosent matter where they end up . That is one beautiful plane you have created and labored on. It is stunning in pictures. I hope you can film a flight or two and post.
A low and slow with a three or four blade prop is going to bring tears to the eyes of any Veterans in attendance.
WaitMaybe a victory roll.
That's the ticket!
Old 02-07-2021, 10:00 AM
  #49769  
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Originally Posted by acdii View Post
My Gemini 120 purrs like a kitten without GP assistance....................
Don't want to go too far OT but is your fs120 a Gemini-1 or Gemini-2? Quite a bit of difference in the induction on those two.
Old 02-07-2021, 10:13 AM
  #49770  
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Originally Posted by Glowgeek View Post
Don't want to go too far OT but is your fs120 a Gemini-1 or Gemini-2? Quite a bit of difference in the induction on those two.
​​​​​​The former. Old as dirt. It's on a H9 1/4 scale cub.
Had it on a pietenpol camper for a while.
It's not currently in rotation at the field.
Old 02-07-2021, 12:43 PM
  #49771  
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Default Eat your hearts out plain Jane silver engines!

And now for something completely different...

Pink Saitos and Panthers rule! Everything else just drools!




Old 02-07-2021, 01:00 PM
  #49772  
modeltronics
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looks great!
Old 02-07-2021, 01:12 PM
  #49773  
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Fuels pink That count?
Old 02-07-2021, 01:20 PM
  #49774  
modeltronics
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I remember snow like that when I lived in Illinois. I think I will stay in Texas.
Old 02-07-2021, 01:29 PM
  #49775  
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[QUOTE=modeltronics;12662042]I remember snow like that when I lived in Illinois. I think I will stay in Texas.[/QUOTe
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