Rex wrote:
On Sep 9, 12:23 pm, Tim wrote:
On Thu, 08 Sep 2011 21:08:43 -0500, Snag wrote:
I have a utility trailer , 5X8 with an expanded metal deck . This
trailer tilts , as it was designed as primarily an ATV hauler , and
the axle is centered under the box . This causes problems with low
tongue weight and stability at highway speeds when I load the
Harley up in it . I want to move the axle back enough to stabilize
it at highway speeds with the weight more or less centered in the
box . I don't care if I lose the tilt feature , I'm not using it
anyway . I prefer 2X lumber ramps .
My question is , how far do I move the axle ? Do I want a 60/40
split on
distance ? 55/45 ? ISTR that the ideal tongue weight is 10% of total
weight , which would indicate 55/45 .
But I'm not sure , and this isn't something I can easily try
different configurations . I'd like to be ready to roll by monday
am , the wife and I have been talking about splitting to the land
(Ozarks , wooded , no TV, no telephone) for a few daze .

For those who care - the welds will be made with the tombstone and
6013
rod . The trailer frame is mild steel angle iron , I see no need for
7018 . Test coupons of the closest material I have on hand will be
welded and cut/tested before I weld the actual trailer . Hmm , I
might be able to add alternate spring mounts and leave the
originals in place . I'd be able to restore the original config if
needed that way .

You want 60/40, or 55/45 by weight, not length.

I know it'd be a bitch, but I don't know how much -- have you tried
just putting the Harley on backwards and going for a drive? If
nothing else, it'll give you an idea of the weight distribution.

I'd go find a feed store or other operation with a scale, and weigh
the front and back of the bike. This would tell me the weight
distribution of the bike (which should be at least somewhat heavier
in back, and lots more if it has a good amount of rake to it). Then
I'd figure out just where the axle needed to be to get the weights
right.

--
Tim Wescott
Control system and signal processing consultingwww.wescottdesign.com

Alternately, cut the front "fence" and lay some U-channel so you can
move the front wheel forward onto the tongue.
Might be easier, and retain the current configuration for other
duties.

I was looking it over earlier today with an eye to doing just that .
There's a cross support just behind the axle , right where the axle would
need to be if I moved it . I'll lose the tilt function , but I doubt I'll
ever use it - this trailer was bought for the primary purpose of hauling
bikes .
I'll definitely need to do some bracing to maintain structural integrity
and rigidity across the front . Time to go dig thru my "supply depot" out
behind the shed !
--
Snag
Learning keeps
you young !