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Old 06-17-2012, 02:53 PM   #3166
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It was my son's birthday this weekend so yesterday my father and I took him to the Cavanaugh Museum in Addison.

WWI stuff:







One of my favorites



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Old 06-17-2012, 03:00 PM   #3167
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My favorite model of the Spitfire. This one saw action in China and spent some time fighting the Japanese.




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Old 06-17-2012, 03:06 PM   #3168
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Originally Posted by Daniii View Post
I just love looking at radial engines.!

OK, dumb question. Looks like the spark plugs are connected to a common rail. How is the spark timing done in radial engines? I never see a distributor, so do they fire all the cylinders at the same time, just more than once every two revolutions as in most 4 stroke engines.?
Radials use mag's just like flat engines.. one fires the front plugs the other the back plugs (usually run fine wire plugs on the back and massives on the front). Also if notice there are usually a odd number of cylinders on a round engine as it fires on every other cylinder. So for like a 985 with 9 cylinders it would fire 1-3-5-7-9-2-4-6-8 then start at 1 again. The plug wires are all individual runs to the magneto. The chrome ring and the plumbing between the cylinder heads is for oil.
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Old 06-17-2012, 03:16 PM   #3169
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These they usually have on display and fly a few circuits at the Alliance Airshow twice a year. Not included is a pic of an AT-6 that is in one of the other hangars.









Cold War stuff:

















Saw one of these airlifting at a construction site south of work a couple of months ago. Sounded like a lawnmower.


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Old 06-17-2012, 03:34 PM   #3170
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This Serman (later upgraded to a super Serman) was built in 1944, sold to the French who later sold it to the Iraelis where it sustained some battle damaged in the 6 day war and the Yom Kippur war then somehow wound up here.






Enola Gay pics


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Old 06-17-2012, 04:18 PM   #3171
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Originally Posted by Daniii View Post
I just love looking at radial engines.!

OK, dumb question. Looks like the spark plugs are connected to a common rail. How is the spark timing done in radial engines? I never see a distributor, so do they fire all the cylinders at the same time, just more than once every two revolutions as in most 4 stroke engines.?
Not sure. Interesting reading:


http://www.pprune.org/aviation-histo...ing-order.html
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Old 06-17-2012, 04:18 PM   #3172
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So do you guys think the USA should require mandatory medical exams every other year for drivers licenses too?

Yes....and a demonstrated ability test for all those that are 65 or older. I would say for those 25 and under but they can put their act together and not act like an ass for the test....if you are too old to operate the machine in a safe manner you need to be off the street.
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Old 06-17-2012, 04:18 PM   #3173
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Old 06-17-2012, 04:20 PM   #3174
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These they usually have on display and fly a few circuits at the Alliance Airshow twice a year. Not included is a pic of an AT-6 that is in one of the other hangars.


I never knew about that airshow....I am going to try to go this year....they have some very cool stuff.

The cavanaugh warbirds looks very intresting....wonder how much of the stuff they fly at that show....have you ever been?
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Old 06-17-2012, 04:23 PM   #3175
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Old 06-17-2012, 04:28 PM   #3176
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Quote:
Originally Posted by EvilGenius View Post
Other Stuff:

This Serman (later upgraded to a super Serman) was built in 1944, sold to the French who later sold it to the Iraelis where it sustained some battle damaged in the 6 day war and the Yom Kippur war then somehow wound up here.

I notice a lot of Shermans have extra steel plate armour welded to the side as in this example. I assume that was a weak point in the original design. It also looks like this one had a pretty big gun installed compared to the ones I see on the D-Day pictures.
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Old 06-17-2012, 04:45 PM   #3177
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I notice a lot of Shermans have extra steel plate armour welded to the side as in this example. I assume that was a weak point in the original design. It also looks like this one had a pretty big gun installed compared to the ones I see on the D-Day pictures.

The Israelis sort of surprised the enemy with their Super Shermans.
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Old 06-17-2012, 05:31 PM   #3178
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The gun on this Super Sherman is 90 mm.

The original Sherman had a 75mm, then upgraded to a 76mm, high velocity.

NFE
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Old 06-17-2012, 05:47 PM   #3179
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The gun on this Super Sherman is 90 mm.

The original Sherman had a 75mm, then upgraded to a 76mm, high velocity.

NFE
It was still very under armoured. But I suppose with a 90mm gun, they could stay out of range.

I assume they gave up on the air cooled radial engine?
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Old 06-17-2012, 05:53 PM   #3180
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It was still very under armoured. But I suppose with a 90mm gun, they could stay out of range.

I assume they gave up on the air cooled radial engine?

They up-armored them, too. Looks like a lot of them had Cummins diesel engines, too.


http://en.wikipedia.org/wiki/Super_Sherman
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