Is it time for a gasoline engine tractor?

[vsteel]

Not true at all. Many cars had trouble running it in the 80s is why it went away then came back in this decade.

It didn't go away everywhere. We always had it in South Dakota.

Ethanol has done nothing but drive up the cost of corn, meat, and give the farmers some extra $$$ for corn crops. It produces less energy and gets poorer fuel mileage than non ethanol fuel. The extra fuel consumed means we still use the same amount of fossil fuel we always have. We just don't go as far on a tank.

E10 uses the ethanol instead of things like MTFE. It is used to put more O2 in the gas (read hydrocarbon reduction) along with more octane. E10 is not meant to try and replace our need for gasoline, it is only for emissions. The mixes greater than 10% are there to try and burn something besides gas.

 

[Soundguy]

I follow your logic, but I just want to use a real life example to make sure I'm on the same page. When I was in college, my dad replaced me with a bigger tractor. The Case 930 would pull a bigger plow than the 730. So I was using it to plow some alfalfa ground. In the low ground, it would lug down about 500 rpm, but keep fighting through it and recover the rpm after about 200 yards. I never had to downshift, but the black smoke was rolling out. So at what point was I at 90% and 100% ?

Dang, I miss that beast. According to Tractordata, it was 80 pto hp, but pulling that 5/16's it kept up with the neighbor's Deutz that I think was the DX110 at 102 hp.

Did you add throttle? Did rpms come up?

 

[Soundguy]

Our JD also had showed more on the Dyno then rated. It should for the fuel that it uses!

As for generators. That's why it important to start with something that runs at 1800 rpm. It's just purring along putting out only about half of what the engine is capable of. When my little JD 770 (Yanmar) ran my Onan 15 kw PTO genset, you pulled that throttle wide open to get 540/60 cycles. As the song says, "that's all there is and there ain't no more"!

As I mentioned several times before, I tried an experiment with a 2-1 PTO gearbox, thinking I could use this for light loads. The tractor would not even turn it with no load! It just surged in a most disturbing way, trying to catch it's breath. That genset did have a speed-up sprocket driven arrangement, that did not help. The Rotor spun quite quickly.

Too many are equating rpm with hp.. They are different..

 

[Sawyer Rob]

Dang, I miss that beast. According to Tractordata, it was 80 pto hp, but pulling that 5/16's it kept up with the neighbor's Deutz that I think was the DX110 at 102 hp.

All I can say is, that must have been one sick Deutz!!

SR

 

[buickanddeere]

HP= torque in ftlb X rpm / 5252

 

[Soundguy]

HP= torque in ftlb X rpm / 5252

An easier way:

mechanical horsepower, is 550 foot-pounds per second

 

[RaydaKub]

Did you add throttle? Did rpms come up?

None to add. Flat out wide open all day long.

 

[Btown]

It didn't go away everywhere. We always had it in South Dakota. E10 uses the ethanol instead of things like MTFE. It is used to put more O2 in the gas (read hydrocarbon reduction) along with more octane. E10 is not meant to try and replace our need for gasoline, it is only for emissions. The mixes greater than 10% are there to try and burn something besides gas.

It was MTBE, which is Methyl Tert-Butyl Ether which also contains extra oxygen. The big problem with MTBE is it very soluble in water, when there is a leak in a tank MTBE basically flew through the groundwater contaminating it. Hence why we now use Ethanol.

 

[Turbys_1700]

If you guys want a gas powered tractor I've got two D-17 Allis Chalmers sitting in the shed you can run...
All you need is a little cash to keep those tanks full of fuel...
One series 3 and one series 4...
The series 4 has over 4500 hours and the engine has not been touched...
The series 3 I think had the heads redone at 4000 plus hours...
Good old tractors with well built engines...
Speaking of power those Power Crater engines develop 63 engine and 53 PTO HP at 1650 RPM...
4 Cylinder 226 cubic inch gasses...
Burns around 4.5 gal per hour per Nebraska tests...

 

[vsteel]

It was MTBE, which is Methyl Tert-Butyl Ether which also contains extra oxygen. The big problem with MTBE is it very soluble in water, when there is a leak in a tank MTBE basically flew through the groundwater contaminating it. Hence why we now use Ethanol.

You are correct, thank you for catching my typo.

 

[buickanddeere]

An easier way:

mechanical horsepower, is 550 foot-pounds per second

Same but different .

 

[buickanddeere]

If you guys want a gas powered tractor I've got two D-17 Allis Chalmers sitting in the shed you can run...
All you need is a little cash to keep those tanks full of fuel...
One series 3 and one series 4...
The series 4 has over 4500 hours and the engine has not been touched...
The series 3 I think had the heads redone at 4000 plus hours...
Good old tractors with well built engines...
Speaking of power those Power Crater engines develop 63 engine and 53 PTO HP at 1650 RPM...
4 Cylinder 226 cubic inch gasses...
Burns around 4.5 gal per hour per Nebraska tests...

We were thinking 2016 design and spec gas and diesel engines vs 1950's gas and Diesel engines . A 1950's diesel is a far cry from a Tier IV diesel. The 1950's low compression, carburated , points ignition gasser isn't much of an engine vs a 2016 high compression direct injected gasser using unleaded fuel.

 

[Turbys_1700]

We were thinking 2016 design and spec gas and diesel engines vs 1950's gas and Diesel engines . A 1950's diesel is a far cry from a Tier IV diesel. The 1950's low compression, carburated , points ignition gasser isn't much of an engine vs a 2016 high compression direct injected gasser using unleaded fuel.

I "KNOW" what you were thinking...
Some folks don't understand "tongue in cheek", "sarcasm", and "dry humor"...
Evidently you are one of them...

 

[Redneck in training]

The problem with gasoline engines thermal efficiency is that at certain pressure the fuel ignites by the heat of compression. Since all fuel ignites instantly and before the piston reaches the top the engine pings and develop low torque. This limitation (compression ratio 8 to 11) was overcame by direct injection where the fuel burns at the time of injection and at the rate of delivery. So there is very little difference between gas and diesel in this regards. Since the thermal efficiency is dependent on compression ratio direct injection high compression engines are just about as efficient as diesel though their fuel consumption (in volume or mass) is greater than diesel because diesel fuel has larger energy content.
I used to race boats many years ago. Since the fuel was unregulated we used methyl alcohol. The engines had compression ratio around 14 - 15. Since the fuel had about half of the energy content of gasoline its double volume delivered in the engine had to evaporate in the cylinder lowering piston temperature. The engines developed about 300 HP/litter and had about 8 hours time between overhauls despite crankshaft and both ends of connecting rod having roller bearings.

 

[Soundguy]

None to add. Flat out wide open all day long.

if the hand throttle was actually maxing out the carb butterfly, with nothing to add, and she wasn't loosing rpms steadily, but instead, maintaining, and dipping in thick and recovering.. then I'd call that 100%

 

[Soundguy]

Same but different .

HP is meaningless without a measurement of work done...

 

[buickanddeere]

HP is meaningless without a measurement of work done...

HP is the measured rate at which work can be performed. 100HP will perform twice as much work in one hour than 50HP will perform in one hour. The 50HP in two hours will produce as much work as the 100HP in one hour.

 

[Soundguy]

HP is the measured rate at which work can be performed. 100HP will perform twice as much work in one hour than 50HP will perform in one hour. The 50HP in two hours will produce as much work as the 100HP in one hour.

Didn't I just say that?

 

[MossRoad]

Didn't I just say that?

No. What you said made sense.

 

[Egon]

No. What you said made sense.

u

550 Ft. Lb's. Per sec. Sure sounds familiar. But that just ain't the case north of 49 in the here and now. I no longer know what it is. On some of the metric quantities comprehension never happened or with great difficulty. For me the saving point was one inch equals two point five cm's. But visualizing a rainfall of eight mm boggles my mind. And don't even mention slugs, mass, weight or acceleration; those just see a thick dark gray fog envelope my being!