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<p>Right now, I don't think I need a hand-crank flywheel, as far as
I know mine is intact - at least, there are no visible cracks in
the 'outboard' side. Thanks for the info, though! <br>
</p>
<p>Having seen the actual weight of the 720D/730D flywheel I wish my
cousin and I had gone ahead with building the pony cart using two
flywheels and the 1903 Cadillac axle...just the rotating parts
would have weighed almost 400 lbs, before we started to build a
cart on top of it. You'd need a good horse or mule just to pull it
empty - it sure wouldn't have been a goat cart!</p>
<p>Another 730D memory: in the course of overhauling one of ours, we
had to replace the main reduction gear on the 'clutch' end of the
crank. It is 'interference fit' with about a -.003 clearance. We
heated the replacement gear in hot oil for over an hour to get it
ready to go on. The good news: no more problems with it for at
least the next 25 years, possibly longer.<br>
</p>
<p>Mark J<br>
</p>
<div class="moz-cite-prefix">On 7/3/2020 12:44 AM, Bill Brueck
wrote:<br>
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<p class="MsoNormal">Curious you should ask, Mark. I started
the table with the top row being for the H. But the MPI had
blank weight entries for both the flywheel and for the
crankshaft.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But…I just happen to have a spare H
flywheel so I weighed it. 81 pounds. It came with a pallet
of Deere parts and I don’t expect to ever need it so it’s in
the scrap iron pile. If anyone needs a hand crank H flywheel,
speak fast…I’ll make you an offer you can’t refuse. Next time
grandson comes out looking for something to do we’ll be
loading a pickup load of scrap.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I just checked the catalogs again, this
time looked up H flywheel assembly with tightener bolts and
ring gear. There’s a weight entry for that: 100 pounds. The
hand-crank one I weighed had the tightening bolts removed and
of course no ring gear but that wouldn’t make 19 pounds.
Curious: a little heavier flywheel for starter vs hand start.
The other flywheels in my chart would have all been ring gear
models, with possible exception of the D, I don’t remember.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">B²<o:p></o:p></p>
<p class="MsoNormal">Confusion is a higher state of knowledge
than ignorance.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> AT
<a class="moz-txt-link-rfc2396E" href="mailto:at-bounces@lists.antique-tractor.com"><at-bounces@lists.antique-tractor.com></a> <b>On Behalf
Of
</b>Mark Johnson<br>
<b>Sent:</b> Wednesday, July 1, 2020 6:51 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:at@lists.antique-tractor.com">at@lists.antique-tractor.com</a><br>
<b>Subject:</b> Re: [AT] John Deere Projects UPDATES<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Bill:<o:p></o:p></p>
<p>You wouldn't happen to have the flywheel weight for the H,
perchance? At a guess I'd place it at around 100 lbs, since an
H is slightly smaller than a B, but I've never seen the
figures.<o:p></o:p></p>
<p>Thanks,<o:p></o:p></p>
<p>Mark J<o:p></o:p></p>
<p><o:p></o:p></p>
</div>
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