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Cummins wins at Amelia Island Concours!

Posted By dieselsteveo 2 Months Ago
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dieselsteveo
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Bruce I've never seen torque numbers, but both cars were claimed to produce 135HP in their Indy 500 race configurations.  The 6cyl that's in the #5 car now was claimed to be 200hp
dieselsteveo
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Plus Clessie worked at Marmon when he was younger and was on the pit crew of the Marmon Wasp which won the inaugural Indy 500.  All one big happy family back then :)
Jeff Lakaszcyck
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Another historical note related to the Duesenberg efforts at the Indianapolis 500 is that Art Herrington of Marmon-Herrington fame was part of the Duesenberg pit crew during the 1920's. Herrington watched the first race in 1911 and first became involved in 1922 as the pit manager for Jimmy Murphey, who drove a Miller-powered Duesenberg to victory that year.  In 1925 Herrington was the pit manager for Pete DePaulo when he won the race in another Duesenberg. Herrington was married in 1926 and took his new bride to the Indianapolis race on their honeymoon. She spent her second night as Mrs. Herrington in the Duesenberg factory watching her husband and Fred Duesenberg assemble the race car that Pete PePaulo would drive to 5th place that year. Herrington would later serve as chairman of the technical committee. There is no record of him working on the Cummins-Duesenberg cars but it seems very possible he was involved somehow.



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Bruce Ohnstad
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It's surprising August did not get inducted until now.

It's fascinating to think of the Duesenbergs designing a heavier chassis.  That said, their straight 8 gas engine probaly had similar torque to the Cummins, and twice the power.  Steve, are their torque and power tests on this race car engine?

Bruce
dieselsteveo
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Both Fred and Augie were involved. Clessie was friends with both. Per Lyle’s “The Diesel Oddesy of Clessie Cummins, “ in the fall of 1930, he [Clessie] asked Indianapolis friends Fred and August Duesenberg to raise a car capable of caring at higher turning more powerful ‘U’. For $5000, they excepted his challenge. Plus he had a two-fold objective in mind. First was the addictive lure of setting a high-speed record at the next Daytona trails. Secondly if that was accomplished he would enter it in the 1931 Indianapolis 500. “

Lyle does not state it specifically, but I think safe to assume Augie was also involved with the 1934 cars (Fred passed in 32)

Fun footnote, after winning best in class at Amelia, the car was invited to Daytona to participate the Augie Duesenberg’s induction into the Motorsports Hall of Fame 😀
Bruce Ohnstad
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I forgot that this was a Duesenberg!  Now I'm really in awe.  Nothing like a good driveline to take torque.  I wonder if there's photo documentation on Duesenberg machining?  Auburn Gear and Lycoming may have been the machine shops?  At the ACD museum there was reference to the Duesenberg factory in, was it Indianapolis or Columbus?  Did Fred or August get involved?  That would be wild to see or hear of Clessie working with the brothers.

Bruce
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Thanks Steve.
dieselsteveo
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Bruce,  I'm not sure which company originally supplied the transmission and driveline to Duesenburg.  For the restoration, we were able to find original Duesenburg front and rear axles, and transmission.  We reproduced everything else ourselves with the help of various machine shops
dieselsteveo
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Yes, car is powered by a HB-600 with a remote-mounted supercharger driven by the crankshaft.  Here's a picture of the engine and sc before it was mounted in the car.  The radiator sits between the engine and sc, where you see that rubber hose coupling.  There's a tunnel in the radiator core to allow the tube to pass through. 
http://forums.justoldtrucks.com/uploads/images/30cbd966-e95d-4f0d-9f5b-255d.jpg
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Congratulations Steve. 6 cylinder model H engine, I guess. Is it a supercharged engine?


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