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ok just looked at you JCW link. i think my trunk is a bit bigger than that. i think it is about 21 inches wide or so. i can fit two full face or my laptop in it.
other reason for the bolts, was all the rattling, crist did that thing rattle!
but i would recommend the knock off GIVI, i do like mine
what is the intended use? holding a helmet, or do you plan to go do the grocery shopping with it? as long as it will not look stupid i would say go as big as you can afford

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www.kzrider.com/media/kunena/attachments...mages/KG_LgRck_2.jpg

www.kzrider.com/media/kunena/attachments...mages/KG_LgRck_1.jpg

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JMKZHI wrote:

Here's another pic. The adjustable shock mounts aren't in the photo. I'm interested in the "one wingnut" setup - intriguing.

JMK.

Gotcha.

Here's a single pic that might cover the essentials:



Both the Vetter box and a custom seat share the same mounting arrangement - a pair of mating plates.

The plate attached to the radio carrier has angled slots grooved into the front edge. The upper plate has 1/2" bushings installed as standoffs. When aligned horizontally, the upper plate bushings slide back into the slots in the lower plate. The black dots in the photo are bold heads securing the plate to the carrier and the plywood seat pan. Each of the corresponding plates has recessed holes drilled to match the bolt head pattern to reduce sideplay.

At the extreme lower left, you'll see an extension to the carrier which was originally for the radio antenna. At the lower left of the seat (upper) plate, you'll see a matching extension to the plate. A 10mm bolt is installed in the hole in the carrier and insulated by rubber washers. When the plates are mated, the bolt lines up with the hole in the upper plate. By double-nutting the bolt, I left a little slack to allow for floating adjustment - no need to mess with the bolt.

Match up the plates, feed the bolt through the hole in the upper plate, install wingnut, and it's on.

Takes me less than a minute to swap trunk/seat.

From the looks of your rack, a similar arrangement could suit you nicely...

Post edited by: Pterosaur, at: 2006/11/29 21:42

Here's a better view of the lower plate - slots, bolt and head pattern:



Post edited by: Pterosaur, at: 2006/11/29 21:49

Rear view of the lower plate, showing the bolt and slots. At times, I use the second hole to install a lock to keep the box secured when I'm not sure of the neighborhood I might be in...

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Detail of how the upper plate bushings match up with the lower plate:

JMKZHI wrote:

So I guess that plate's home made? If it is, that's some nice work. What about the "one wingnut disconnect"?

JMK.

Edit : oops, I didn't see the first pic w all the info.

Thanks. Yep, entirely home made.

The "one wingnut disconnect" is best seen in the lower right corner of the 3rd pic; the wingnut goes to that bolt.

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JMKZHI wrote:

The last pic there really clairifies the install - that's a slick setup.

JMK.

Yeah, the series was kinda necessary to get the various details illustrated.

Slick - and relatively easy to make - a couple of sheets of that teflon/plastic stuff - 1/4" thick. Tough as hell, easy to cut to shape and finish with a DA/sanding block and fine paper.

The lower plate is rubber mounted to the carrier.

One more pic - the "one nut disconnect" (didn't have a wingnut handy at the moment...

Edit : I forgot one thing - Thanks. hee.

You're totally welcome.

I've got a Vetter trunk like that I was going to list on ebay.... anyone here interested?
pics @ s12.photobucket.com/albums/a234/bob_z1/Vetter/