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About JSmitty

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  • Birthday 11/03/1972

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  1. No, I'm sorry, but we will miss the 75th with the Mac's Van. I'm glad you checked - and that you have a good alternative!
  2. You are absolutely correct that the system is going to fail at the weakest point. If your D-Rings are secured in 3/4" plywood instead of the steel of the chassis, then the plywood would fail first. Rusty or sub-standard bolts could fail. If your straps far outstrip the D-rings, the rings will fail first. In the case of the stacker that went over on it's side, four wheel nets were used, with each connecting immediately in front and behind the wheel - that's a total of eight 5,000# fittings. I suspect that having double the number of connectors played a significant role in preventing
  3. Both types of track are very strong, and will exceed the 5,000lb rating of a standard flip-up D-ring found in most trailers. I prefer the VersaTrack because it is easier to use and clean, and if you use an idler fitting to pull a strap below a fender, the fittings are more than an inch lower. There is a Heavy Duty ring for E-Track rated at 6,000lb, and VersaTie fittings are rated at 5,000lb - but test well north of that number at most angles. I have the test data if you are interested.
  4. Personally I like a four wheel net situation into a track system, with the track running right under the wheels. Several months ago a client was towing a '32 roadster this way on the second deck of his stacker trailer, and when things went wrong (the trailer ended up on it's side) he opened the door to find the car hanging safely from it's nets. Now for the sad part; the CHP threw a strap over the trailer in their hurry to right it, and compressed the trailer over the very valuable car. All in all, redundancy is a good thing, but there is a higher initial cost, and more time involved with t
  5. I was browsing topics, and this one is a bit interesting to me. As the systems designer for Mac's Custom Tie Downs, the question of whether to cross straps or not comes up almost daily here in the office. While no tie-down method is perfect in all situations, I see images of damage on a pretty regular basis from one strap failing, and the crossed strap pulling the vehicle to the other side of the trailer. The other point that we've found is that while crossing straps often does reduce a little of the side-to-side creep that can happen on the road, in doing so they are at a severe angle to
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