Dump Trailer

[bbabineau]

Thanks for bringing that up. I'm not sure how much of a concern that will be...

The hinge point is less than 6 inches behind the rear axle. The ram at least 6 inches in front of the rear axle. It seems like the load will actually be balanced over the rear axle in the worst case scenario.

I'll have to take some measurements when I get back home and see how much of a risk there is of this.

I suggest you never think of dumping when not attached to the tow vehicle. Unless the load slides out as the bed is rising, think about the weight of the load being beyond the axle and up the whole trailer will go.

 

[Iplayfarmer]

I timed the ram. 7 seconds up, and 7 seconds down. That should be plenty fast enough.

 

[Renze]

just look at farmphoto.com, in the "whoops" section... there are plenty of examples of dump trailers lifting the tractor rear end sky high due to a tailgate that didnt open, or a tailgate that got plugged with a big chunk of reed and ditch mulch....

 

[Iplayfarmer]

just look at farmphoto.com, in the "whoops" section... there are plenty of examples of dump trailers lifting the tractor rear end sky high due to a tailgate that didnt open, or a tailgate that got plugged with a big chunk of reed and ditch mulch....

The tailgate getting stuck...Now I understand.

I looked at my design again, and the hinge point is almost directly over the rear axle. I couldn't see how it could tip the trailer back. Now that I got the idea about a load sticking, I see how it could tip the trailer.

 

[Iplayfarmer]

I got in a few minutes last night to work on the trailer...

The first pic is of the bed cross members that I have welded in place. These are what the wooden deck is going to bolt to.

The second picture shows where the battery is going to go. That pan is just set in place for now. I still have to weld it in.

 

[Iplayfarmer]

I may be getting a little ahead of myself here, but what's the best way to prep the frame, etc. for painting?

Wire brush?
Flap Wheel?
Some kind of chemical application?

 

[2310 guy]

Sand blast it.

 

[Iplayfarmer]

Sand blast it.

I don't have a sand blaster.

 

[sr160009]

I may be getting a little ahead of myself here, but what's the best way to prep the frame, etc. for painting?

Wire brush?
Flap Wheel?
Some kind of chemical application?

I use a hand held grinder with a wire brush attachment, it works pretty good. If you do not have one you can get them pretty cheap. I bought one at harbor freight for $20.00 (chicago electric brand), it works ok. For that price, if it just works a year or 2 it is worth it. Just my 2 cents.

 

[Renze]

sand blasting takes a lifetime with a reasonable hobby compressor.
flappy disking works good, but it tends to take material away on the high spots and dont penetrate enough in the pits.

My favorite tool is the wire brush. even if you grind a long time on the same place to clean out some rust pits, it takes away only the sick material and leaves the healthy metal untouched. ...kinda like maggots in a wound...