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Search: Posts Made By: hywong
Showing results 1 to 13 of 13
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Forum: Engine Conversions
08-20-2008, 06:36 PM
Replies: 151
Views: 48,975
Posted By hywong

RE: Stihl 65cc 4-mix on 30% Edge

"I used the pulse port off the crankcase with a hose running to the carb. No mods to the carb. I do have the carb on a 90 degree intake manifold so it would be inside the cowl."

I had hard time...
Forum: Everything Diesel
10-04-2007, 10:41 PM
Replies: 217
Views: 60,292
Posted By hywong

RE: Diesel 4 strokes

Last time, I used a shut off valve on fuel line to help adjusting the big venturi carburator in my converted engine.

Greg, the engine looks great.

Ken
Forum: Everything Diesel
03-08-2007, 11:09 PM
Replies: 104
Views: 15,079
Posted By hywong

RE: Too low compression in Enya 41-4CD..

Hello Jen and everyone,
How do you calculate your compression ratio? I took my OS 120 apart. I filled in 21 ml oil in the bottom
cylinder (BDC) and 2 ml in the cylinder head. For TDC, I...
Forum: Everything Diesel
10-27-2006, 10:06 PM
Replies: 7
Views: 17,318
Posted By hywong

lawnmower's converted to 4 stroke diesel

Hello, all friends,
Thank you for all your help in the past.
Finally I got my 4 stroke lawnmower engine converted to diesel.
I have changed the compression by adding a...
Forum: Everything Diesel
09-20-2006, 06:53 PM
Replies: 1,038
Views: 168,651
Posted By hywong

RE: Substitute for Ether

"Diesel fuel has a higher energy density than gasoline. On average, 1 gallon (3.8 L) of diesel fuel contains approximately 155x106 joules (147,000 BTU), while 1 gallon of gasoline contains 132x106...
Forum: Everything Diesel
08-20-2006, 06:16 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

Jens,
Therefore as you point out, the only way for fuel efficient engine is to control its compression ratio as model diesel engines.

For this 4 stroke gas engine, I should...
Forum: Everything Diesel
08-20-2006, 03:53 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

base on Jens' suggestion that a 4 stroke gas engine running with kerosene directly without modify any part of the engine such
as timing and ignition, one approach is to increase the compression...
Forum: Everything Diesel
08-20-2006, 01:14 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

I am sorry that it took so long to find and ask the right question.

If a kerosene 4 stroke high compression engine assisted with a carburetor has better fuel efficiency than a gasoline 4 stroke...
Forum: Everything Diesel
08-20-2006, 12:53 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

The goal for diesel conversion is fuel efficiency.
It means that the propellar can run and lasting longer for the same gram(s) of fuel.
We don't use gallone since gallone is for volumn....
Forum: Everything Diesel
08-20-2006, 02:39 AM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

Jens,
Thank you for your information. It is very encouraging.
If the 4 stroke gas engine use parafin(kerosene), does not the engine's compression ratio need to be increase? I just want to...
Forum: Everything Diesel
08-19-2006, 07:27 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

Thank you for your comments.
If a 4 stroke gas engine can't convert for a real diesel engine, can this big gas engine be converted for using parafin? or with a little ether added diesel?
Forum: Everything Diesel
08-19-2006, 02:30 PM
Replies: 14
Views: 1,769
Posted By hywong

RE: Real diesel 4 troke conversion

Hi Martin,
The clearence between the TDC and valves is about 1/8 inch. When the piston at TDC, the valves are suppose cloesed, am I correct?
I thought the real diesel engine have valves too,...
Forum: Everything Diesel
08-19-2006, 12:29 AM
Replies: 14
Views: 1,769
Posted By hywong

Real diesel 4 troke conversion

Hello friends,
Mr. Greg told me about RCU after I asked his suggestion about my real diesel 4 stroke conversion from a weedeater 4 stroke gas engine.

My gas engine does not have a...
Showing results 1 to 13 of 13


 
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