Camper trailer tyres - what to get

Submitted: Friday, Jul 14, 2006 at 17:40
ThreadID: 35831 Views:3770 Replies:7 FollowUps:3
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Hi all

I by the time many of you read this I will have posted this question on a couple of other forums too, so I apologise if you have had to read it twice.

I have just paid a deposit for my new camper trailer. Long story, but we sold the Cavalier and are getting RV trailers in Para Hills West (SA) to make the trailer, and Sar Major will be our choice of tent top - because of there is no need for extra poles inside even though it is a 11 ft soft floor model.

The trailer is 7x4, 50mm high, 100x50 galv drawbar, electric brakes, polyblock, large toolbox on front to house the spare wheel horizontally and have extra room on top, heavy duty axle/bearings,65L water tank, 3 x jerry holders plus one extra on tailgate, led lights, 2 x gas bottle holders etc, but enough bragging.

I have a couple of questions. First relates to suspension. It will be coming with 7 leafs, with rebound springs. I oringinally wanted shockers and the builder was happy to put them on, but said that he would either have to house the tops of them on the outside of the trailer (over the mudguard with a bracket) in a little box, but it would be necessary to widen the track of the vehicle to allow for this. I wanted to avoid this to maintain the same track as the Jackaroo. The other option was to house them inside the box section which would take away much needed room (the kitchen wouldn't slide in flush with the side of the trailer). He said they would be a waste of time if they were not mounted vertically or near vertically, and refused to put them in on more of an angle which he said would be a waste of time. How important are shockers if rebound springs are fitted, and has anyone else found a remedy to the problem on their 7x4?

Secondly, the other decision I need to make is tyres. I have sourced some 16inch wheels which will fit the Jackaroo (make them interchangeable). I Currently have Cooper ATRs on the Jack (which I am very happy with to date), and would be happy to pay for and fit them to the camper, but am a bit concerned that they may not have enough 'knobbieness' to dig into gravel/dirt enough, resulting in a bit more trailer movement or drifting of the trailer when on gravel/gibber etc. Anyhave have any first hand comparisons between chunkier tread (like the Cooper ST) vs ATR tread on a camper weighing less that 1 tonne fully loaded? Ideally I would like all tyres the same, but will put STs on the trailer if advice leads me that way.

Thanks for listening!

D-Jack
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Reply By: Sand Man (SA) - Friday, Jul 14, 2006 at 18:05

Friday, Jul 14, 2006 at 18:05
Bugga!

My Camper's suspension is useless, because the sock absorbers are at an angle!
Doesn't sound logical to me D-Jack. The shockies provide a damping effect to the normal operation of the leaf springs and it wouldn't make any difference at what angle they are working at, within reason.

As for the tyres, it makes good sense to use the same as what you have on the Jack, as everything will be interchangeable. The fact that they are not "chunky" shouldn't matter in the least. You are only pulling the trailer, it doesn't provide "drive" on it's own and the trailer "drift" in adverse conditions should be controllable by the speed you are driving at.

Good luck with your new purchase.
Bill


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AnswerID: 183516

Follow Up By: D-Jack - Friday, Jul 14, 2006 at 18:21

Friday, Jul 14, 2006 at 18:21
Thanks Sand Man

What tyres do you have on yours, because I know you have done a lot of outback travelling!

I think he was referring to the fact that he could stick shockers on an angle but to have them on an angle that would benefit me would mean mods to the inside of the box area or outside having to widen the track. He has not doubt they are a benefit, I just didn't want to lose the inside space or widen the track. Does your camper track the same as the Jack?
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FollowupID: 440141

Reply By: Sand Man (SA) - Friday, Jul 14, 2006 at 18:49

Friday, Jul 14, 2006 at 18:49
Currently running Bridgestone Dueler 693's/694's on the Jack and Desert Duelers on the Camper. A slight difference in tread pattern and the DD's are slightly narrower, running on split rims. I also have an off road trailer with DD's on one piece rims and it is my intention to swap the rims between trailers. I am not a split rim fan.

Had 694's all around until I needed to replace two of them after 64,000 Kms and liked the look of the older 693 pattern better. I understand the 693's are made in Australia and the 694's are sourced from Japan.

Actually, I prefer the Desert Duelers over the others, but I am led to believe they are a bit narrow to suit the Jack's wider alloy rims. They were $168 each when I bought them and have a great tread pattern for off road travelling.

Bill


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AnswerID: 183520

Reply By: Member - Karl - Friday, Jul 14, 2006 at 18:52

Friday, Jul 14, 2006 at 18:52
D-Jack,

I to would go the same as your vehicle - again so that they are interchangable.

I too have just ordered a new campertrailer - from Downunder Campers here in WA - and I have ordered the same tyres as my vehicle and I provided my own rims which are the same as my chromes ones on the Cruiser.

Karl
AnswerID: 183521

Reply By: Member - Stephen M (NSW) - Friday, Jul 14, 2006 at 22:22

Friday, Jul 14, 2006 at 22:22
Hi there D-Jack, its not a Liberty camper by any chance is it ? Regards Steve M
AnswerID: 183557

Follow Up By: D-Jack - Saturday, Jul 15, 2006 at 16:30

Saturday, Jul 15, 2006 at 16:30
Negative on that Steve, trailer being made by RV Trailers - costing about $6500 for trailer only all up. Tent being made by Sar Major, both South Australian.

D-Jack
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FollowupID: 440261

Reply By: Gronk - Saturday, Jul 15, 2006 at 09:04

Saturday, Jul 15, 2006 at 09:04
The angle of the shocks shouldn't matter if the builder knows anything about shock specs.
The valving specs will have to be altered to suit the angle, but that might be too complicated for some builders so they say you don't need them!
Thats why some of the top name trailers use the good brand shocks because they can be ordered to suit their own requirements.

AnswerID: 183578

Follow Up By: D-Jack - Saturday, Jul 15, 2006 at 16:33

Saturday, Jul 15, 2006 at 16:33
Thanks Gronk, will bring it up with him. Also know the owner of a TJM will speak to him too.

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FollowupID: 440262

Reply By: Alloy c/t - Saturday, Jul 15, 2006 at 10:45

Saturday, Jul 15, 2006 at 10:45
With 7 leaf and rebound fitting shocks is a bit if an overkill as the whole point of the rebound leaf is to act as a "shock absorber" ,,best tyre for the camper is the same as on tow vehicle ,in effect 3 extra spares for the "truck".
AnswerID: 183584

Reply By: disco driver - Saturday, Jul 15, 2006 at 21:45

Saturday, Jul 15, 2006 at 21:45
Hi D Jack,
Have just caught up with the forum again, after some time away.
Strange as it may seem my Viscount caravan (1983 vintage) has shockers attached to the lower pivot point of the rear spring hanger and back to the chassis.
They are almost horizontal and certainly stop the unit bouncing around on the goat tracks we have as roads over this side of the country.

If you can find aViscount "GrandTourer" of about that vintage and have a good look underneath you may be able to fit something similar to your unit.

Good Luck

Disco
AnswerID: 183680

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