Hinged Radious arm

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Author Message   Will Cupp (W_cupp) Member Username: W_cupp Post Number: 73 Registered: 07-2003 Posted on Wednesday, September 17, 2003 - 01:04 pm:    http://www.d-90.com/prod/hinge.html I saw this over at d-90.com. Anyone have any feedback on this? Is it worth doing? Seems pretty simple. I'm just wondering about the stress on the axle housing.   Brian Dickens (Bri) Senior Member Username: Bri Post Number: 695 Registered: 08-2002 Posted on Wednesday, September 17, 2003 - 05:14 pm:    Very cool. I have seen these on D90, d110 and they have been used on other non-rover rigs for years. I would think that there would be less stress on the axle, correct me if I am wrong.   Blue (Blue) Dweb Lounge Member Username: Blue Post Number: 497 Registered: 04-2003 Posted on Wednesday, September 17, 2003 - 05:47 pm:    stress on the axle? what about stress on the arm at the hinge?   Peter Matusov (Pmatusov) Senior Member Username: Pmatusov Post Number: 1073 Registered: 09-2002 Posted on Wednesday, September 17, 2003 - 06:46 pm:    what exactly keeps the springs from popping forward and front driveshaft together when the axle tilts forward?   Blue (Blue) Dweb Lounge Member Username: Blue Post Number: 499 Registered: 04-2003 Posted on Wednesday, September 17, 2003 - 07:20 pm:    well, front shaft can adapt & move back & forth, but springs & shock mounts may get stressed on that hinged side. also, what if shaft gets out of alignment from one side of axle moving fore & aft... I'm still wondering about the strength of that hinge joint - nice fab work, but is it the right application?   Peter Matusov (Pmatusov) Senior Member Username: Pmatusov Post Number: 1074 Registered: 09-2002 Posted on Wednesday, September 17, 2003 - 07:29 pm:    I don't know, I wouldn't want to know what happens to my front trailing arms if a wheel hit a pothole. Talk about stress concentrations... But, seriously, people have done it, and obviously something needs to be done to keep the axle flipping back and forth. I'd think it would be way safer to put a heim joint at the aft end of the radius arm.   Bill Bettridge (Billb) Dweb Lounge Member Username: Billb Post Number: 1077 Registered: 02-2002 Posted on Thursday, September 18, 2003 - 09:54 am:    From talking to others who tried it - apparently the off camber stuff gets mighty scary when the one corner of the truck unloads completely. The drilled bushings seem a better idea, but the life is apparently very short. Bill   Will Cupp (W_cupp) Member Username: W_cupp Post Number: 74 Registered: 07-2003 Posted on Thursday, September 18, 2003 - 10:08 am:    Since it is only on one side I can see why the axle does not flip back and forth. But, what concerns me is the entire axle housing twisting. Stock, the radious arms are holding the housing on both sides. But, if one side hinges it seems like you could tweek the housing somehow.   Blue (Blue) Dweb Lounge Member Username: Blue Post Number: 501 Registered: 04-2003 Posted on Thursday, September 18, 2003 - 11:54 am:    I just can't see tweaking this particular area to get a few extra points on a ramp. Of course, it'll get you a few extra cm or inches on the ground, but at what cost? Sometimes it's best to trust in the millions of dollars of R&D that manufacturers put into their products.