A-FRAME STRENGTHENING FOR EXTREME SERVICE AND VEHICLES...

 
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Bushtracker
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Joined: 12 Jul 2007
Posts: 4985
Location: Kunda Park
State:: Queensland
Current Bushtracker owner:: Yes
PostPosted: Sun Apr 06, 2008 5:37 pm    Post subject: A-FRAME STRENGTHENING FOR EXTREME SERVICE AND VEHICLES... Reply with quote

This is a larger A-Frame Girder Strut Available for overloaded Air Bag Ford sized large 4x4s and Trucks Towing. NOTE I just put this in the R&D Category in the Owners Section, but thought it should go here are well... It might help some of you second hand Owners that might venture into extreme service. I will have another important one for you next week as well... Cheers..

Look, in all fairness: You should always give the standard girder bar a kick now and then to make sure it is not snapped. It is there as a warning that your tow vehicle is riding too hard, too stiff a rear suspension, too overloaded, or just traveling too hard for the rough conditions. This problem is usually constrained to towing with larger trucks. However, it is a real possibility with a Ford, Chevy, or Dodge, small trucks for instance; with the air bags over the suspension if people are really loading them up too far. When you really load up a Ford with all kinds of gear and tanks and boats and freezers and such, with air bags over to stiffen it up and raise it back up level, it rides very hard in the rear just like a larger truck. In these kinds of conditions I would suggest an invention I came up with some time ago.

My own van has a girder under the a-frame, that is 50mm x 8mm flat bar, on 50mm x 50mm square vertical RHS tubing struts, Towing with my F-250 air bags over, and Mack truck in the worst of conditions, this one will not snap. It works and it looks good too. I would suggest it is the way to go for worry free upgrade to the girder under the a-frame for the larger trucks. Cost? It is only $250 from new, a little more to add on later, but a good strong upgrade. I have been testing it, and it works very well, weight maybe 20-30 kg more, strength probably triple, cheap insurance. Here is what it looks like:



This one is on my van, towed by Fords, Chevs, and a Mack... And here is a close up:




Questions:
Toyota sized tow vehicle or smaller vans? No.. Not necessary...
Why not just change our Production and do it on all vans? There is no need with smaller tow vehicles, so the weight and cost would be a waste. This should only be considered for larger overloaded tow vehicles, with the stiff hard riding suspensions that can shock the van on rutted out tracks.

But for those of you with plans for heavy cargo on the a-frame, or towing with an air-bag over heavy suspension, dual rear wheels, or light or heavy truck suspensions..... You should request it...

"Happy Trails" from the Lone Ranger
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Bushtracker
Site Admin


Joined: 12 Jul 2007
Posts: 4985
Location: Kunda Park
State:: Queensland
Current Bushtracker owner:: Yes
PostPosted: Thu Apr 23, 2009 8:24 am    Post subject: Reply with quote

UPDATE: 4-09
TOWING W/ SILVERADO, FORD, ISUZU, HEAVY WITH AIR BAGS OVER??

If you plan on towing with a Mid-size truck like the Silverado, Ford, Dodge type tow vehicle, we will suggest you go to our heavier Girder Strap under the a-frame.... It is a 50mm bar over square blocks, and really stiffens things up..

If you start adding airbags over the stock suspension of your Silverado or Ford, the load starts riding even harder, and this stronger Girder is something you should have; and it can be retrofit just fine on an older van... It is not a money making issue, that is about cost and galvanizing; it is about strengthening the girder strap for a heavy suspension shock at $390 current as of 4/09. We would suggest it.






You should have this with any larger tow vehicle like Silverado or Ford, but MANDATORY if you are adding air bags over the top... You start putting a big load on the ute, canopy, boat on top, and then add air-bags over the springs, you are riding hard like a 5 ton truck and the added SHOCK Shocked You WILL start breaking things. First will be the 19mm round bar girder strap under the a-frame. Then if you ignore that you will start getting hair line cracks in the a-frame eventually...

Why do we not do it automatically on all vans? Well it is a little more weight, and unnecessary for the 95%, and is a step in the wrong direction for cost and weight. Why do it for all when it penalizes those that do not need it, with the expense and extra weight.

OK with this?
If not ask questions and I can put on more pictures if you like..

We have a report of a Silverado towing an older Bushtracker, that has actually broken the a-frame. They had to have ignored the girder bar and run it with the girder fractured for quite some time to do this.

Regards, from da road Ranger...
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