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Author Topic: Bockscar 2.0  (Read 36528 times)
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kiwi belly tank
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« Reply #135 on: December 18, 2017, 05:03:50 PM »

At Bonneville I've seen a lot of forward cage structures terminate at the top rail, not something I would do or recommend but the apparently pass tech!
  Sid.
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Calkins
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« Reply #136 on: December 18, 2017, 05:07:12 PM »

The new Speed Demon cage goes down to the lower frame rail.  The upper frame rail attaches to it.
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Justin Calkins - Iowa Falls, Iowa  USA
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« Reply #137 on: December 18, 2017, 05:13:24 PM »

http://speeddemon715.com





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Justin Calkins - Iowa Falls, Iowa  USA
Rex Schimmer
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« Reply #138 on: December 19, 2017, 05:22:42 PM »

Stainless,
Here is a pic from the build of the "Brunskilltown Bullet" by DLRA363. Might give some ideas.

Rex


* aussie lakester.JPG (20.19 KB, 303x214 - viewed 146 times.)
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« Reply #139 on: December 22, 2017, 02:23:41 PM »

Calkins...Thanks for the link...It looks  like  the inside of that station buck defines the outside of the body...Great idea to file away for use.  cheers
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« Reply #140 on: December 22, 2017, 02:25:38 PM »

I was thinking the same thing.  Great Idea!  No wonder that team is so darn fast!
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Justin Calkins - Iowa Falls, Iowa  USA
jacksoni
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« Reply #141 on: December 22, 2017, 02:29:03 PM »

At Bonneville I've seen a lot of forward cage structures terminate at the top rail, not something I would do or recommend but the apparently pass tech!
  Sid.
Only with gussets. Looks to me this type of construction is why they are specified.
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Jack Iliff
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kiwi belly tank
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« Reply #142 on: December 22, 2017, 03:56:51 PM »

I believe the gusset rule was a result of Tom Bryant's crash.
  Sid.
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« Reply #143 on: December 22, 2017, 08:53:13 PM »

I believe the gusset rule was a result of Tom Bryant's crash.
  Sid.
When was that? Gussets (generally, with locations not specified) are called for in the oldest rule book I have -1976- and are specified in the locations mentioned above in 1990 (but not 1987, I can't find my '88 and '89 rulebooks) so that specification was added between 87 and 90, FWIW. The drawings in the rule book do show hoops welded to the shoulder rails. I agree, always thought that not the best way. On my liner, the rear hoop was duplicated and integrated with the firewall to "gusset" it and the front had a 1/8" plate welded to and between front and rear hoops and extended down to the shoulder rails.
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Jack Iliff
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desotoman
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« Reply #144 on: December 23, 2017, 02:48:50 PM »

I believe the gusset rule was a result of Tom Bryant's crash.
  Sid.

If you are talking roll cage gussets, they were mandatory shortly after a Lakester crash at El Mirage. I forget the drivers name but it was a turbo-ed SBC powered car that as I remember threw a rod which in turn broke the starter off the block. Rear tire ran over starter which flipped the car upside down and the lake-bed tore the roll cage completely off of the car. Sadly the driver did not survive.

Tom G.
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« Reply #145 on: December 23, 2017, 03:06:50 PM »

He was a friend of mine, Dick Miller, who had a couple of Fiat dealerships in San Bernardino and Orange counties.  As I remember, the chassis was an ex-dragster one.
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« Reply #146 on: December 23, 2017, 03:13:20 PM »

He was a friend of mine, Dick Miller, who had a couple of Fiat dealerships in San Bernardino and Orange counties.  As I remember, the chassis was an ex-dragster one.

Thanks Stan. Yes Dick Miller, and yes an ex-dragster is what I remember. I don't remember the exact year but think it was in the mid to late 1980's.

Tom G.
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Asking questions is one's only way of getting answers. As a young boy I was always taught that there is no such thing as a stupid question. It suggests that the quest for knowledge includes failure, and that just because one person may know less than others they should not be afraid to ask rather than pretend they already know. In many cases multiple people may not know but are too afraid to ask the "stupid question"; the one who asks the question may in fact be doing a service to those around them.
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« Reply #147 on: December 26, 2017, 10:55:10 PM »

Been absent for a while. Looking good Stainless and Johnboy!
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Stainless1
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Robert W. P. "Stainless" Steele Wichita, Kansas



« Reply #148 on: January 03, 2018, 12:27:07 AM »

Have I mentioned how nice the build table is?  I guess if I was a better welder, I could stand on my head, work the pedal with my elbow and lay down perfect beads.... but as we all know, I'm not that guy...
But I am making some progress.  I believe the rear roll bar is all welded in now as well as the frame members it attaches to. 


* btable45.jpg (135.76 KB, 490x653 - viewed 107 times.)

* btable44.jpg (135.31 KB, 490x653 - viewed 97 times.)
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Stainless
Red Hat 228.039, 2001, 65ci, MSA Bockscar Lakester with a little N20 
MSA Bockscar Lakester #1000 my fastest mile 245 and change, 84 ci turbobusa motor... but Corey's 233 MPH H/BFL record is still 3MPH faster than mine.
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Robert W. P. "Stainless" Steele Wichita, Kansas



« Reply #149 on: January 03, 2018, 12:46:13 AM »

OK, if you look that close, you will notice in these pics that the rear roll bar is not all welded in, it is now, just had to finish fitting these parts and remove them prior the welding before I bury something I can't get to. 
This is the seat back support, and likely the seat belt mounts by the time I get it done.  I will make a seat belt mount as a gusset between the lower 1.5 x 1 and the tube.  The seat belt will go over the tube on the outside of the square tubes, making about 7.5 inches between the shoulder belts. 


* btable46.jpg (134.96 KB, 490x653 - viewed 89 times.)

* btable47.jpg (125.38 KB, 490x653 - viewed 97 times.)

* btable48.jpg (124.62 KB, 490x653 - viewed 90 times.)
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Stainless
Red Hat 228.039, 2001, 65ci, MSA Bockscar Lakester with a little N20 
MSA Bockscar Lakester #1000 my fastest mile 245 and change, 84 ci turbobusa motor... but Corey's 233 MPH H/BFL record is still 3MPH faster than mine.
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