The Leader Engine

By Walter L. Blakely
Published on November 1, 1969

Jelloway, Village, Danville, Ohio 43014

(To the best of my recollection, I have never seen an article in
the IMA about the Leader engine. I thought a little review on the
subject might be of interest to some folks.)

Considering all the bad faults the old 16 hp. Leader engine had,
which were plenty, it was just about the handiest old threshing
engine ever built for hill country; where I lived and threshed all
my useful life, and I wish to explain without, a doubt it was the
best single cylinder belt engine that was ever built. They were
more economical than the average engine.

The 16 hp. Leader was fast on the road. It didn’t take
forever and a day to get from one job to the next. In the fast
gear, it took 14 revolutions of the band wheel to make one of the
drive wheel. In the slow gear, it took 18 revolutions of band wheel
to make one of drive wheel. The average engine took about 22
revolutions of band wheel to make one of drive wheel, give or take
a little. The Rissell took 27, it always seemed to me. They could
come as near traveling all day in the shade of the old apple tree
as any engine I ever saw.

16 hp. Leader Engine used 10 to 20 per cent more 2′ flues in
the boiler than any other make of the same hp., except one or two.
They used an extremely large smoke box and an extra large smoke
stack and straight all the way up. A smoke stack that is chocked is
no good. It doesn’t amke any difference, what make of engine
it’s on or what it’s on there for. For the very reasons
already mentioned, it’s possible to fire up a 16 hp. Leader,
move down the road a mile set up and start threshing by the time
you can get steam enough in some engines to turn on the blower.

All Leader engines used a relief valve in the exhaust. When you
reduce the number of flues, reduce the size of the smoke stack, you
are compelled to reduce the size of the exhaust nozzle to make it
steam, that will make it throw sparks all over the countryside.
When you are pulling sparks, you are also pulling heat out of it.
It’s just like giving it a dose of salts and there goes your
economy right up the smoke stack. A 16 hp. Leader used a 12′
stroke. They had good power and they had it at 125 lbs. of steam. I
believe everyone that has used a 16 hp. Leader as well as other
makes will affirm that fact. They used a 41′ band wheel with a
12′ face and the rim 1′ thick, which made an extremely
heavy band wheel and it produced steadier power than any other
single cylinder engine. They used a flame sheet that directed the
sparks to the bottom of the smoke box, once on bottom they had a
tendency to stary there. When threshing after sundown, using old
rails for fuel when you could see every spark that came out, the
Old Leader seldom threw out a spark that didn’t go out before
it hit the ground. Of course, we always told the farmer an engine
didn’t throw sparks when the sun was shining. What a hell of a
line that was. If there had been enough flues in the boiler, the
smoke box and stack large enough, it would not have thrown any fire
at all. The old Leader, when you got too much water in the boiler,
it would spit drops of water. You could work right on. It
wouldn’t hold you up. All other makes, once they begin to pull
water over into the lead pipe they hogged it. The longer the worse,
and hold you up.

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