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during your flat head days? (I know you liked 4 bangers best but..........this is cool! Right?!!
6sal6
This is prolly one of Daze's early relatives!!
Last edited by 6sally6 (8/29/2020 6:45 PM)
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Twin plugs?
Hmmmm.
Maybe Rudi too?
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i like it, twin carbs, twin plugs and no need for a shroud. COOL
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Don't know about that exact setup, Mike, butt I've seen a bunch of flat motors over the years. The dual ignition was just one more effort to make the flatheads run. One of the basic problems with a flathead is that they are limited to about 8:1 compression. If you mill the heads to get more the valves are pinched off and it won't breath. This is why tricks like "relieving" were used where they ground the block away between the valves and the cylinder to make it breath. But that just reduced compression. Anyway, low compression means slow flame front so some head makers tried dual plugs to get the flame front going from two different places for a quicker...more powerful...burn.
Kong made a dual spark head for an old guy's Model T back in the mid '70s but that was because it was for an aircraft application. The guy built a Pietenpol airplane which was powered by a Model T engine....Really!
In fact, I just found a You Tube slide show of that airplane. The guy's name was Chris Egsgaard and he was one of the more eccentric guys that hung around Wes Cooper's place in Glendale, CA back in the day. I knew he built the plane and flew it around Mohave CA but I never saw it.
Here's a link. You can see the dual spark head that Kong built.
If you are interested:
BB1
Last edited by Bullet Bob (8/30/2020 6:29 AM)
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Too cool. First radiator I've seen on an airplane.
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Bearing Bob wrote:
Too cool. First radiator I've seen on an airplane.
Well, the plane for which our favorite Heaps are named had one...but you couldn't see it.
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Yup, radiators were common on airplanes. The radial engines were always air cooled, but the V engines were liquid cooled. Actually, the radial engines also have radiators of sorts, because they had oil coolers. When you see a scoop on an airplane that's what it was for. They were always careful to try and put those delicate parts in a place where they were least likely to encounter enemy fire.
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