[AT] Canola to diesel

[Charles Bridges]

Never knew they built one like that.  I would guess you could tow it without 
damageing the transmission also.

Mercedes engineers will think outside the box!

Charles
----- Original Message ----- 
From: "Larry D Goss" <rlgoss at evansville.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, February 05, 2007 11:37 AM
Subject: Re: [AT] Canola to diesel


>I don't want to take sides on this issue, but I'd like to relate my 
>experience with a Mercedes Diesel.
>
> The MB automatic transmission on my 200D was unique in that it had
> pumps in it that ran off of the output shaft as well as the input shaft. 
> As
> a result, it was possible to push start the engine.  I did it regularly. 
> I
> would park it in the first row of the faculty parking lot on the side of 
> the mountain at the university in West Virginia.  When it came
> time to head for home, I would put the transmission in neutral, let the 
> car
> coast down into an alley, turn the corner onto the main drive, and head 
> down
> the mountain.  By the time I had traveled 50 feet or so, I could move the
> shift lever into low and the engine would start spinning.  In another 50
> feet the engine was running and I started giving it some throttle.  As I
> said, I did this regularly rather than go through any of the pre-heating
> procedures.  I always started it at idle, so the throttle plate was 
> closed.
> No preheating of the glow plugs; no red-hot B-B's in the pre-combustion
> chamber; no reduced compression ratio because of a closed throttle plate.
>
> Any time I checked the compression of the engine, it was in the 300 psi
> range.  That is with the throttle plate closed, all the glow plugs 
> removed, and the engine spinning with
> just the starter motor.
>
> BTW, I only need to pre-heat the glow plugs on my Kubota tractor when the 
> ambient temperature gets down to around freezing.
>
> I suspect that with this spell of cold weather we're all suffering a bit 
> from cabin fever.  As my Dad used to say, "I'll hold your coats while you 
> and him fight."  :-)
>
> Larry
>
> ----- Original Message ----- 
> From: "Ken Knierim" <ken.knierim at gmail.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Monday, February 05, 2007 9:59 AM
> Subject: Re: [AT] Canola to diesel
>
>
>> Tom,
>>     The fact that the engine has a throttle plate and the ball pin
>> indicates it has different parts than a true Diesel engine. Take them
>> out to make it a Diesel and see what happens. From the description
>> given, this engine is a lot closer to a "hot-bulb" engine. Might I
>> suggest you do some research on those engines?
>> There are a number of different engines that will burn diesel fuel; I
>> have a TD-14 crawler that starts on gas and switches to diesel. It's a
>> combination of different types of engines; it has a direct injection
>> pump on one side and a carb and spark plugs on the other.
>> There are also the "kerosene" types that preheat the fuel in the
>> manifold; they can burn diesel as well but that does NOT make them a
>> Diesel engine. There is also a Hesselman that used direct injection
>> that fit your classification but had a very low compression ratio
>> (Allis Chalmers and Case tried them). It wasn't a Diesel either.
>> Honest, there IS a difference. The fact that you've been able to start
>> it without the factory-installed glow plugs doesn't mean they're not
>> necessary; the factory engineers had to justify them to the
>> beancounters before they put them in, so they're probably there for a
>> reason, just like the ball pins. You might not know the reason, but
>> I'd venture a guess the factory engineers knew why. A true compression
>> engine would not require the "hot bulb' of the heated ball pin.
>>
>> http://en.wikipedia.org/wiki/Hot_bulb_engine
>> is a good link and they have a comparison with a Diesel engine.
>>
>> Hope this helps.
>>
>> Ken in AZ
>>
>> On 2/5/07, Tom Yasnowski <tomyasnowski at hotmail.com> wrote:
>>> Of course diesel engines have changed and improved over the years.  But 
>>> the
>>> basic premise is still the same--ignition thru compression of fuel as
>>> opposed to a spark.  George says with the MB glow plugs are necessary 
>>> for
>>> ignition.  Wonder how I started mine cold when my glowplugs were not 
>>> working
>>> last fall? The heated ball pin aids in combustion but is not required.
>>>
>>>
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