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Learning how to build Lotus Seven replicas...together!
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PostPosted: September 6, 2017, 4:38 pm 
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Joined: December 16, 2012, 1:54 pm
Posts: 27
Location: Colorado
Beautiful work John.

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PostPosted: September 6, 2017, 4:45 pm 
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Joined: March 23, 2011, 11:43 am
Posts: 209
Location: Golden, CO
JSArmstrong wrote:
A truly awesome build!! Thank you for the updates John, what thickness Ali did you use to do the sump modifications?


Thanks!

I used 3/16" thick 6061-T6. The stock pan measured about 0.120-0.140" in most spots, so I added a little bit for safety. You lose the T6 heat treat during weld, but the aluminum is still very strong and malleable (rather than brittle) so I think it's pretty safe. I also used 4043 rod - recommended for welding to cast aluminum. I did a quick "cleaning" pass and then wire brush before performing the actual weld with filler rod. Seemed to work really well and I had no issues welding to the previously oil-soaked pan.

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PostPosted: September 7, 2017, 9:19 pm 
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Joined: October 24, 2008, 2:13 pm
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Location: Carlsbad, California, USA
I know you're not truly "finished", John, but did you put yours in the "Finished Builds" thread? It's a great example, and I think it definitely should be there as a terrific inspiration for potential builders. On-going improvements could still go here, I'd think.

Cheers,

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Damn! That front slip angle is way too large and the Ackerman is just a muddle.

Build Log: viewtopic.php?f=35&t=5886


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