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Learning how to build Lotus Seven replicas...together!
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PostPosted: October 7, 2013, 10:33 am 
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Joined: June 15, 2010, 8:29 am
Posts: 550
Location: Duxbury, MA USA
Took a pic. Stand is an unused modified seat base for boat. Easily adjustable for height.


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PostPosted: October 8, 2013, 10:11 am 
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Joined: January 7, 2011, 10:47 am
Posts: 106
Location: Bethlehem PA
For my locost I used 4 digital bathroom scales from wallmart.com. They are desined for people that most likely won't fit in a seven, going up to 450llb at an avertised 1% accuracy. the cost if I remember was around 30-35 bucks a piece and they seem to be very conistant. The only downfall is the reading is only displayed for about 10 seconds. Rolling the car back and forth resets the scale to get the next reading.

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Chris White
Locost 7 type 1 power and a rear transaxle
Lotus Elise Sold
ND Club Miata
Nissan Titan Sold
Rubi Wrangler
http://www.locostusa.com/forums/viewtopic.php?f=35&t=13200


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PostPosted: October 15, 2013, 12:50 pm 
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Joined: June 15, 2010, 8:29 am
Posts: 550
Location: Duxbury, MA USA
Hey, this looks familiar!
https://www.merlinmotorsport.co.uk/p/ada-corner-weight-gauge-0-400-lbs-ada400

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PostPosted: December 15, 2019, 10:10 am 
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Joined: September 22, 2005, 8:12 am
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Location: 4AGE in S.E. Michigan
My 2 cents, unless you are into all out big buck racing, you probably are not going to see any difference between flat flooring and using scales. Also using the scale or lever arm lift you still need a level surface to correctly compare the wt of each corner. You would be lucky if 1 out of a 1000 cement floors would even come close to being level. 20yrs ago it cost $2.5k just to level a pad 24' x 8' to within an 1/8" . That's just to level and not the cost of matl.
Here a photo my corner wt scale set-up, and a typical leveling block. My pad locations with a leveling block are all within 1mm tolerance. This set-up reproduced repeatable corner wts within a 3 lb limit. Now after going through all the BS to get an accurate corner wt, I could not tell any difference. :?: IMHO close is close enough when doing corner wts on a road going Seven. For a road car, I would just use the simple flat floor technique. That's really all you need.
Davew


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PostPosted: December 15, 2019, 12:54 pm 
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Joined: October 24, 2008, 2:13 pm
Posts: 4076
Location: Carlsbad, California, USA
Thanks for the bring back on this thread, Dave.

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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