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#1
April 14th 2007, 07:44
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I use Performance Trends - Roll Center Calculator. It's not their full blown Suspension analyzer software, but a lot less expensive and does 95% of what I need it to do.
http://www.performancetrends.com/ I sarted modeling mine on paper - scale drawings. That was an interesting exercise for a "first cut", but quickly became apparent that method was going to be too time consuming and tedious to give me the information I needed. The PT software really opened my eyes in seeing how small changes affect the geometry. You quickly realize that trying to "wing it" when laying out a suspension design could yield less than desirable results! Jeff 
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#2
April 14th 2007, 20:50
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I do most of my modeling in Autocad, then fine tuning using the performance trends software.
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a few pics of my project
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#3
May 5th 2007, 15:55
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  based on Thundrbird components designed around 5" ride height, RC 2" off the ground, less than 1/8" movement of rc in 3 degree roll or 3" bump. I used all-thread rod in a couple place to bolt it together temporarily to check articulation. Built this for My lotus 7 replica excuse the messy shop I'll be doing something similar on my Bus once the lotus is on the road. I'll build my own spindles to use VW or porsche components/brakes front will use Beetle spindles with porsche components(on the bus that is)
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a few pics of my project
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#4
May 6th 2007, 17:17
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Super nice work there!
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Pirate VW Services is looking for weber IDF and IDA carbs "to far gone to repair". We are also looking for 74 Super Beetle and later controll arms that are to badley bent to use or repair. PM for details. Sevice with a yarrhhhh!
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#5
May 6th 2007, 18:20
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Got my rear suspension completed (sans shocks and antiroll bar) and am pleased with the results. everything will be dissasembled and painted/powdercoated before its finished. But the design is plenty strong and will do well.
   Next go around will see a 914 transaxle in the center with its diff flipped, this will be in the rear of my bus.
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a few pics of my project
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#6
May 6th 2007, 22:02
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-ok then what about the 928 - use the gts disc -or the 964 turbo -use the spindles -and the upper a - arm -
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#7
May 6th 2007, 23:28
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better strenght and lower weight with a tubular A-Arm, plus its easier to set geometry if you are designing both A-arms rather than working around one with a predetermined length
but ya, the 928 spindle would be a good choice
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a few pics of my project
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