OConnor, Dennis wrote:
> -----Original Message-----
> Subject: [MV] MB Roll Bar
> I am considering installing a roll bar and seat belts in my 1945 MB. Does
> anyone have any suggestions for the installation? I know this is a taboo
> subject, but I do intend to do some off-road driving and have been upside
> down more than a couple times before. Mounting points, tubing size and
> thickness, etc. are what I am interested in.
>
> Dave,
> Safety is never a taboo subject. While I may not agree with your choice
> of MB it's your jeep, you can do whatever the h**l floats your boat, and I
> commend you for being wise enough to ask. I'd recommend 1.75" diameter,
> .095" wall thickness tubing. It can be either Cold Rolled Electric Weld
> (CREW) or Hot Roll Electric Weld (HREW) but CREW is cheaper and more than
> beefy enough. This is the majority of race car cages these days, works great
> when installed properly, and is easily available from any number of
> suppliers that serve racers. I can give you a good dealer that will UPS if
> you need it.
> Mounted to the frame or plates depends on you but gusset it well either
> way, use cross bracing in the corners, and think in triangles because that
> is what makes things rigid. For the bolts on seatbelts or roll bar plates be
> sure to think worst case at all times, overcompensate and you'll be fine. By
> this I mean large washers (2" dia. min.) or back up plates on either side of
> sheetmetal because when stressed (when you need it most) unsupported bolts
> will tear out of the sheetmetal and be less than useless, they become
> dangerous. Also, think of what will happen to part you secure things to...
> for example; bolting a seat belt to a seat frame that isn't secured itself
> is not worth the effort because the whole thing will just fall out with you!
> (and probably hurt you in the process). Just general things here but I can
> be more specific offline including drawings if you like so as not to
> bore/offend the list.
> To preempt any comment about "helping Dave is as bad as doing it
> yourself"...I'd rather help him if he's going to do it and know he's safer;
> instead of hanging back and hear later he got hurt for lack of a decent
> installation and materials. To Each His Own, Caveat Emptor, Damn the
> Mudholes Full Speed Ahead!
>
> Happy New Year Everyone,
> Dennis O'Connor
> MB/GPW/M201/WC12 etc.
>
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