Roof Rack Capacity of Challenger

Submitted: Thursday, Feb 22, 2007 at 14:39
ThreadID: 42589 Views:2297 Replies:3 FollowUps:5
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Hi All, I am hoping that someone can advise me as to what load capacity my Mitsubish Challenger 05 should be able to take on the roof. Also, what type of roof rack to use to carry my 3.2 Quintrex Barra boat which I think weighs around 60 kg. I only assume this is possible and I am not using a trailer as we have a Jayco Expanda Pop Top to tow. Please help as I wish to take my tinnie still, even though I have sacrificed the ability to take the boat on our old camper trailer like I use too. I hope I don't regret the upgrade that pleased the minister of war and finance at home!!!
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Reply By: pickle - Thursday, Feb 22, 2007 at 17:37

Thursday, Feb 22, 2007 at 17:37
Thule here Site Link say 75 kg... I am sure Rhino or some other brand that uses three bars are capable of 150kg which is the roof limit.
Dave
AnswerID: 223395

Follow Up By: Craigo69 - Thursday, Feb 22, 2007 at 20:08

Thursday, Feb 22, 2007 at 20:08
Thanks for the site link Pickle. 75 kg would get me out of trouble, I'm sure. I will look into the Rhino racks.
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Reply By: donks1 - Thursday, Feb 22, 2007 at 17:46

Thursday, Feb 22, 2007 at 17:46
if carrying a boat it's not the weight, its the drag

wheni was working for a mitsu dealer in qld we had a traveller with a challenger stop in who had a small tinny on the roof. driving at speed down the hwy, it created enough drag to rip the welded brkts on the roof clean off..
our panel shop did a quick repair to get him home.
he certainly wasn't happy about having to pay for it either.. saying he was going home to argue with mitsu and try to claim a new roof..
needless to say mitsu said no way.. glad i wasn't the one to give him that news.
an upside down boat on the roof creates a huge up lift, hence no warranty.
there is no coverage for this.
do so at your own risk

donks
AnswerID: 223396

Follow Up By: madfisher - Thursday, Feb 22, 2007 at 17:59

Thursday, Feb 22, 2007 at 17:59
If the boat is upside down wouldnt create a downdraft
Cheers Pete
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Follow Up By: donks1 - Thursday, Feb 22, 2007 at 20:34

Thursday, Feb 22, 2007 at 20:34
no mad fisher

the air flow goes up the windscreen and into the upturned boat, pushing it up as it can't escape easily..

donks
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Follow Up By: madfisher - Thursday, Feb 22, 2007 at 21:00

Thursday, Feb 22, 2007 at 21:00
Thanks donks,
You learn something everyday.
The swmbo insists on carrying her canadian canoe right way up, looks like she was right all the time,lol
Cheers Pete
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Follow Up By: robak (QLD) - Friday, Feb 23, 2007 at 11:49

Friday, Feb 23, 2007 at 11:49
I think donks is partly right. The uplift (I think) is created by the curve of the boat. Just like an aeroplane wing, A small curve on top and flat on the bottom provides enough force to lift the whole plane.

I once had my surfboard rip the roofracks off my car.
R.
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FollowupID: 484375

Reply By: Richard & Leonie - Thursday, Feb 22, 2007 at 19:19

Thursday, Feb 22, 2007 at 19:19
Now here is an interesting point. Some roof loads quoted by manufacturers are not max loads for the racks but are actually for the roof. It seems in the the old US of A they carry loads on the roof between the racks not on the racks.

Richard
AnswerID: 223412

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