Wheel Chock Question ?
Because even with the four corner jacks down, I'm still getting to much rocking.
If someone is, or have used a set, I would like to hear your opinion if they are worth the money.
I bought them because my brother-in-law has the slightly older model, the one without the tool, and he swears by them uses them every time. He still uses a block on the wheels though, only uses this thing to stop the rocking.
There are several options that work a lot better.
1. Roto Choks (Rotochok locks trailer wheels in place | A must for all tandem wheel trailers).
Fairly expensive, but many swear by them.
2. Similar to the above, but home built. I've built a couple of sets by using 4" high x 6" wide blocks (2 per side) that had the ends angled and curved to match the tires. I then run all-thread rods down thru the centers. Spot weld (or double nut) a nut and washer on the bottom end. Use the large wing nut that is used for holding down propane tanks, on the top.
These can be tightened up, during installation, so tight, that you have to step on the bottom block to loosen and remove the chock.
These are very effective and cheap.
3. I've got a set of metal (cast steel) chocks that work of the above principal, but use on over center binder type tightener. I haven't seen any new for sale recently, but they are available used.
Very effective and cheaper than #1.
good luck
Like suggested, you can make your own (Home Made Chocks). I'm working on a set of these now - version 2 for me. I made the first ones too narrow.
I think I'm also going to add another set of scissor jacks just in front of the tires. IMHO, there is just too much space between the front jacks and the axles to be truly stable.
Last edited by MarkMoore; Oct 1, 2008 at 01:07 PM. Reason: correct spelling


I think I'll make a home made set and see how they work for me.
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If you want to limit rocking, you have to look at your 4 corner jacks. There are some really crappy jacks out there. I don't have much use for the stab type jacks or ratcheting jacks. Scissor jacks work a lot better. Get most of the trailer weight on 4 scissor jacks plus the tongue jack and that's about as stable as you can get.
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But when I was at the RV Hall of Fame in Elkhart...one of the manufacturers was displaying their NEW unit in the front...they have mounted their scissor jacks on a 45° angle versus perpendicular to the frame. My buddy and I thought what's up with that...
So he layed on the bed and had his wife and I stomp thru the trailer...there was NO wheel chocks what so ever...only the scissor jacks and tongue jack...the trailer was ROCK SOLID compared to the one right next to it with the conventional perpendicularly mounted scissor jacks...so perhaps this is on to something?
The thought is that if you look at the traditional scissor (like the one pictured above)...notice that all the joints have their axis of least resistance IN LINE with the axis of rolling (i.e. front to back)...the scissor jacks are NOT very stable when rocked fore and aft...they are very stable side to side however...
When the jack was turned on the 45° angle...the theory is that the stability of the scissor jacks are exploited much more.
Like I said...I have NOT tried this yet...I need to simply drop my trailer off at my local welding shop to have him rotate the four jacks...I may do this yet this fall like I said...don't know yet.
But if you look at the picture posted by bpounds...those J-strongs essentially stiffen up the fore-aft joints of the scissor jacks inherent weakness...BTW...I believe those J-strongs are near $200 if not more...
Hopefully I can get this done and report back as to the advantages or not...my only experience was not very scientific but appeared to really stabilize the TT when we walked around...so it generated enough interest for my buddy and I to at least give it a try...we'll see I guess...
On the topic of chocks...I have those EXACT ones linked to in the original post...I got mine from JCWhitney with a 20% off coupon...can't remember what I paid...but Mark Moore is right on that the Hensley ones are an exact copy...so much so that I believe Bal SUED Hensley over that copy of their patented product!
Joe.
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My thought was to turn half the jacks 90° (fore and aft orientation) and half the jacks perpendicular like usually done. I think that would be as effective as turning them all 45°. I don't really have a problem on my rig but if I did that would be a good solution.
Those J-strongs look like a PITA to deal with. It's not something I would want. But some guys do like them.










