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Learning how to build Lotus Seven replicas...together!
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PostPosted: January 8, 2019, 3:24 am 
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Joined: April 19, 2018, 2:02 am
Posts: 44
Got the internal threads on the camber sleeve nut adjusters ready to finish up with a tap. Glad there are only four of those. Had to take a maintenance break on the mini lathe to change the brushes, actually the springs had broken, probably from vibration. Amazingly the Bosch router brushes I had laying around fit. Occasionally hoarding pays off!

Also got some threaded inserts welded in. Broke a 3/8 tap off in one, I think the tap was getting dull. That's the inside face of the frame rail, the outer face will get ground flat to mount suspension brackets. I just want the ability to put different brackets on to make larger suspension adjustments like anti squat, roll centers and such.


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threaded_inserts.png
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sleeve_nut.jpg
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PostPosted: January 8, 2019, 9:23 am 
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Joined: October 24, 2008, 2:13 pm
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Location: Carlsbad, California, USA
Nice welding job on the inserts.

Cheers,

_________________
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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PostPosted: January 8, 2019, 4:34 pm 
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I had to get another step or two down on the readers, should have done that from the start. I still feel slow on welding.


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PostPosted: January 13, 2019, 4:20 pm 
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Joined: April 19, 2018, 2:02 am
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Here's my implementation of one of MiataV8's idea for a steering extender:

I'll weld in some crush tubes for the 3/8-xx bolts. Not sure if I'll need extra support out on the ends, but it looks promising to me. The ball joint are what came out of it.


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master142.jpg
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steering_rack.png
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PostPosted: January 16, 2019, 4:54 am 
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Joined: April 19, 2018, 2:02 am
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Got quite a few wishbones done. These are the front lowers, I even remembered to weld the bearing cup in the right way on each. The first one must have distorted a few thou because the spherical bearing didn't fit afterwards. So I turned an aluminum plug to go inside the cup before welding. The second one turned out spot on and the bearing still slid right in.

After lining up the bushing ends of the arms, the bearing cups are pretty close to even, about .025" difference. Good enough for the girls I go with.


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wb_bearing_cups.png
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front_wishbones_weld_cup_plug.png
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