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Suppliers/Dealers or anyone selling with a commercial view in mind CANNOT post here unless responding to a specific request of a member in a "wanted" post.
Suppliers include people "breaking for spares" on a regular basis, when purchasing spares members should ask a supplier what they contribute to the running of the forum particularly if contacted by a Private Message
Suppliers or Members who have contributed to the forum can be identifed by the logo.
Real solid rear Bumpers.
05 Jun 2011 19:53 #17390
by Iain
I Love Waypoint Tours Holidays
Replied by Iain on topic Re: Real solid rear Bumpers.
Surely at only 5 mph you would expect nothing to brake or bend and the car to just stop dead??
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05 Jun 2011 19:57 #17391
by Iain
I Love Waypoint Tours Holidays
Replied by Iain on topic Re: Real solid rear Bumpers.
This post is not slanderous (slanderous means untrue) the bumper bent a very low speed, and i am very anoyed about it.
it does not look like a weld has broken the bumper has just bent up, i will post some photos tomorow evening
it does not look like a weld has broken the bumper has just bent up, i will post some photos tomorow evening
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- jimny5
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05 Jun 2011 20:04 - 05 Jun 2011 20:06 #17392
by jimny5
Replied by jimny5 on topic Re: Real solid rear Bumpers.
I got ora bumper front and rear, i agree to some of what you say,
The rear bumper is for light impacts if you wanted a steel gurder then you should have reforced it and if you were not happy with the product you should have returned it when it was new. i knew what it would take
When i fitted it and have hit trees and walls serval times and still ok.
I believe 5 mph is wrong.
And the ora products are very good and would spend my 700 quid again without a doubt
Mike.
Also how much do you want for it seeing thou its scrap.
The rear bumper is for light impacts if you wanted a steel gurder then you should have reforced it and if you were not happy with the product you should have returned it when it was new. i knew what it would take
When i fitted it and have hit trees and walls serval times and still ok.
I believe 5 mph is wrong.
And the ora products are very good and would spend my 700 quid again without a doubt
Mike.
Also how much do you want for it seeing thou its scrap.
Last edit: 05 Jun 2011 20:06 by jimny5.
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- supergaz
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05 Jun 2011 20:06 #17393
by supergaz
Replied by supergaz on topic Re: Real solid rear Bumpers.
I'm more than happy to buy any of the ORA products, the quality is extremely high. I'd be happy if my bumper was to deform therefore saving expensive chassis damage.
I've a rear KAP bumper that is attached to a 6 point cage outside, that I got on e'bay the other day, The bumper is WELL twisted, the weak point is where the lower light holes are, (between the chassis and roll cage). The bumper is of high quality and has deformed due to big impact
I will be cutting this off maybe next weekend as well as it being twisted, I need to adjust the cage to suit my 2'' bodylift.
The bumper will be heated up red hot and adjusted with a BIG hammer.
I've felt the weight and have drooled all over the ORA bumpers at TOR show and would be more than happy to have one fitted to my jimny. Sorry to the buyer who had my drool all over their nice new ORA bumper!.
When I do become rich or nearer christmas I will have a few ORA bits on my wish list.
I've a rear KAP bumper that is attached to a 6 point cage outside, that I got on e'bay the other day, The bumper is WELL twisted, the weak point is where the lower light holes are, (between the chassis and roll cage). The bumper is of high quality and has deformed due to big impact
I will be cutting this off maybe next weekend as well as it being twisted, I need to adjust the cage to suit my 2'' bodylift.
The bumper will be heated up red hot and adjusted with a BIG hammer.
I've felt the weight and have drooled all over the ORA bumpers at TOR show and would be more than happy to have one fitted to my jimny. Sorry to the buyer who had my drool all over their nice new ORA bumper!.
When I do become rich or nearer christmas I will have a few ORA bits on my wish list.
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05 Jun 2011 20:07 - 05 Jun 2011 20:16 #17394
by facade
If it suddenly breaks, go back to the last thing that you did before it broke and start looking there
Replied by facade on topic Re: Real solid rear Bumpers.
Try walking into a brick wall at 5mph and see what happens if you stop dead.:laugh:
Try it again with a large cardboard box between you and the wall and see the difference.
To stop a tonne of car in zero distance requires infinite force. give it a few cm to stop whilst something bends and the forces start to come down to survivable levels. Rigid mounted bumpers are to knock grass and brushwood down, hit the crumple zone of another car, a nice squishy pedestrian or soft ground, not solid objects. :huh:
If you want to play bumper cars, there has to be some compliance in the mounting if there is none in the bumper.
The plastic bumpers are designed to stop the car at 5mph, without visible damage, provided you can spread the impact over a large area. A post will concentrate the impact and break the bumper.
Try it again with a large cardboard box between you and the wall and see the difference.
To stop a tonne of car in zero distance requires infinite force. give it a few cm to stop whilst something bends and the forces start to come down to survivable levels. Rigid mounted bumpers are to knock grass and brushwood down, hit the crumple zone of another car, a nice squishy pedestrian or soft ground, not solid objects. :huh:
If you want to play bumper cars, there has to be some compliance in the mounting if there is none in the bumper.
The plastic bumpers are designed to stop the car at 5mph, without visible damage, provided you can spread the impact over a large area. A post will concentrate the impact and break the bumper.
If it suddenly breaks, go back to the last thing that you did before it broke and start looking there

Last edit: 05 Jun 2011 20:16 by facade.
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05 Jun 2011 20:16 #17395
by kirkynut
The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.
My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
Replied by kirkynut on topic Re: Real solid rear Bumpers.
I've been off-roading and around the winch challenge scene for a few years now, although do not compete and I am an owner of the design of bumper mentioned.
I'd like to think I know a good product from a crap one when I see them and therefore feel qualified to comment on this.
When I considered buying an ORA rear bumper I called Rob first to enquire about it's construction. In my mind it was stronger than an original SJ rear bumper but not so strong it wouldn't get bent if I really smacked it but would be ok nudging a mud bank or such like.
If you reverse into a pole all the force is concentrated in one place and they are only a few mm thick so I would expect it to deform.
I don't think Rob Butler is being out of hand in this instance.
I'm not sure the chassis would be bent, although in real terms it's probably no thicker than the ORA bumper, but to expect the bumper not to bend up is unrealistic.
If I were you I would take it off and use some hammers and maybe heat to put it as close as possible back to how it should be and take it as a lesson learnt.
You may get another rear bumper of similar design fabricated as a one off for a similar price or less which may be designed to be stronger but not commercially.
I've bent my front winch bumper on less and that is a well made and fabricated bit of kit, made of much thicker box section. The ORA bumper is not even box, so you can't expect too much from it.
Sorry not to support your cause but I think you are being a little unfair to Rob and the ORA and a little unrealistic in your expectations on this occasion.
Kirkynut
I'd like to think I know a good product from a crap one when I see them and therefore feel qualified to comment on this.
When I considered buying an ORA rear bumper I called Rob first to enquire about it's construction. In my mind it was stronger than an original SJ rear bumper but not so strong it wouldn't get bent if I really smacked it but would be ok nudging a mud bank or such like.
If you reverse into a pole all the force is concentrated in one place and they are only a few mm thick so I would expect it to deform.
I don't think Rob Butler is being out of hand in this instance.
I'm not sure the chassis would be bent, although in real terms it's probably no thicker than the ORA bumper, but to expect the bumper not to bend up is unrealistic.
If I were you I would take it off and use some hammers and maybe heat to put it as close as possible back to how it should be and take it as a lesson learnt.
You may get another rear bumper of similar design fabricated as a one off for a similar price or less which may be designed to be stronger but not commercially.
I've bent my front winch bumper on less and that is a well made and fabricated bit of kit, made of much thicker box section. The ORA bumper is not even box, so you can't expect too much from it.
Sorry not to support your cause but I think you are being a little unfair to Rob and the ORA and a little unrealistic in your expectations on this occasion.
Kirkynut
The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.
My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
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