RE: Diesel 4 strokes  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Everything Diesel >> RE: Diesel 4 strokes
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RE: Diesel 4 strokes - 12/18/2007 11:10:26 PM   
Hobbsy



Posts: 10836
Joined: 12/2/2001
From: Colonial Beach, VA, USA
Status: offline 		SC, the carbon in a model Diesel engine is migratory and is constantly on the move, it flakes off goes out the exhaust and builds up a little more. Its never a problem.

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       Post #: 176

RE: Diesel 4 strokes - 12/19/2007 12:40:35 AM   
gkamysz


 

Posts: 1758
Joined: 6/24/2003
From: Crystal Lake, IL, USA
Status: offline 		The amount of buildup depends on many things, but the type of oil is important. Certain oils will cause more carbon than others. Normally it's not an issue. I find that significant build up can make it very hard to start if flooded. I think the carbon will soak in fuel and then it's hard to dry it.

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Greg

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       Post #: 177

RE: Diesel 4 strokes - 12/19/2007 1:50:31 AM   
savagecommander


 

Posts: 512
Joined: 1/3/2006
From: sterling heights, MI, USA
Status: offline 		ok. really close to trying my hand at diesel. tired of the plug/fuel/needle issues with nitro but i will have to wait untill the snow melts. so if 2 stroke diesel have more torque than nitro, and 4 stroke nitro have more than that, what is the 4 stroke "D" in terms of power? i would love to pull out my MT and have a huge sticker on the side that says "diesel powered"

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its funny, he said "I am the dread pirate roberts" long live andre the giant

(in reply to gkamysz)
       Post #: 178

RE: Diesel 4 strokes - 12/19/2007 2:41:57 AM   
gkamysz


 

Posts: 1758
Joined: 6/24/2003
From: Crystal Lake, IL, USA
Status: offline 		My conversions make no more torque at normal RPM. I do seem to have more torque at lower RPM, below 8000. I haven't done any comparisons to glow at such low RPM because I haven't taken the time to adjust compression ratio. Power is about the same at the top. The huge improvement is in fuel consumption. And if you choose to go the etherless fuel route, consumption is even lower and fuel cheap. The etherless fuel is not fully proven.

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Greg

(in reply to savagecommander)
       Post #: 179

RE: Diesel 4 strokes - 12/19/2007 3:58:38 AM   
savagecommander


 

Posts: 512
Joined: 1/3/2006
From: sterling heights, MI, USA
Status: offline 		etherless fuel? is it used because of its low flash point?(ether) i dont mean to hijack the thread but i gotta learn how i can

by the way, is that THE camp crystal lake?

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its funny, he said "I am the dread pirate roberts" long live andre the giant

(in reply to gkamysz)
       Post #: 180

RE: Diesel 4 strokes - 12/19/2007 1:36:23 PM   
gkamysz


 

Posts: 1758
Joined: 6/24/2003
From: Crystal Lake, IL, USA
Status: offline 		Etherless fuel thread:

http://www.rcuniverse.com/forum/m_4561055/tm.htm

Re: camp Crystal Lake. Friends would ask me that question when I was in junior high

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Greg

(in reply to savagecommander)
       Post #: 181

RE: Diesel 4 strokes - 12/19/2007 3:10:52 PM   
ddd


 

Posts: 253
Joined: 9/28/2002
From: CT
Status: offline 		If you use store bought model diesel fuel and you adjust your engine right there is no big build up of carbon. If you make the mistake that many people that run diesels, run it rich and over compressed you will build carbon and if you build enough you could damage your engine when the space between the head and the piston is gone. For those that think they can make a better and cheaper diesel fuel remember this, the fuel is mostly oil so don't get carried away with adding too much lube to your formula.
A note of interest to some, we stumbled onto a modeler running one of our Super Tigre .90's on youtube.com to see it just type davis diesel.

Bob Davis

(in reply to savagecommander)
       Post #: 182

RE: Diesel 4 strokes - 12/31/2007 12:46:17 AM   
gkamysz


 

Posts: 1758
Joined: 6/24/2003
From: Crystal Lake, IL, USA
Status: offline 		http://www.youtube.com/watch?v=LyvcFx6iFdk

This is a diesel conversion of an FS-26 I ran into on YouTube.

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Greg

(in reply to ddd)
       Post #: 183

RE: Diesel 4 strokes - 12/31/2007 9:35:30 AM   
Motorboy



Posts: 1715
Joined: 2/7/2004
From: Bergen, NORWAY
Status: offline
quote:

ORIGINAL: gkamysz

http://www.youtube.com/watch?v=LyvcFx6iFdk

This is a diesel conversion of an FS-26 I ran into on YouTube.



gkamysz..
You ran the engine????

I discovered and saw the text are at swedish as here: Hemmabyggd 4-takts diesel på OS och ASP delar ,translated to english: Homebuilded 4 stroke diesel at OS and ASP parts.

The engine owner are swedish man.

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Jens Eirik
All landings are just controlled crashes!

(in reply to gkamysz)
       Post #: 184

RE: Diesel 4 strokes - 12/31/2007 4:14:11 PM   
gkamysz


 

Posts: 1758
Joined: 6/24/2003
From: Crystal Lake, IL, USA
Status: offline 		Sorry, I should have worded that a little more clearly. I found the video on YouTube.

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Greg

(in reply to gkamysz)
       Post #: 185

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Everything Diesel >> RE: Diesel 4 strokes
Page: <<   < prev  1 2 3 4 5 6 7 [8]





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