Found the hitch source:

http://www.biketrailershop.com/burley-trailer-forged-hitch-for-quick-release-and-solid-axle-p-1251.html

Ron

On Sat, Mar 19, 2011 at 12:58 PM, Ron Kellis
<ron.kellis@velocitycoop.org> wrote:
> I recommend bending the tubing prior and sell at a mark-up for the shop.
> Get commercial hitches to minimize liability. I have a source for the
> hitches can get later, am at the coop right now.
> Ron
>
> On Sat, Mar 19, 2011 at 11:35 AM, <bovineoaks@aol.com> wrote:
>>
>> I built a trailer with a tubing bender and a drill. I needed bolts to go
>> through the tubes instead of using welds. It can hold 400 pounds easily and
>> 500 is a bit dangerious,, almost impossible to stop the thing with that much
>> weigh. I made it more the size of a micro car and put a slow sign on the
>> back.
>>
>> If you want more information, send me a note.
>>
>>
>>
>> -----Original Message-----
>> From: Geoff Heath <mech@thewrench.ca>
>> To: thethinktank <thethinktank@lists.bikecollectives.org>
>> Sent: Fri, Mar 18, 2011 11:05 am
>> Subject: [TheThinkTank] Bike Trailer & teaching skills workshops
>>
>> Hey folks
>> Geoff from Bike Dump & The WRENCH up here in Winnipeg.
>>
>> We're organizing a summer workshop series and 2 of the requested topics
>> are trailers and teaching skills for in the shop.  So I was wondering if
>> anyone had done workshops on these topics and could share their
>> materials/experience.
>>
>> Is it even really feasible to do a trailer workshop in one day given that
>> most designs involve substantial cutting, welding, etc?
>>
>> Also, does anyone have notes from the "HOW TO TEACH HANDS OFF"  Workshop
>> at last year's Bikebike?  it ain't up on the wiki sadly.
>>
>> Thanks!
>>
>> Geoff
>>
>>
>> _______________________________________________
>> Thethinktank mailing list
>> Thethinktank@lists.bikecollectives.org
>> To unsubscribe, send a blank email to
>> TheThinkTank-leave@bikecollectives.org
>> To manage your subscription, plase visit:
>>
>> http://lists.bikecollectives.org/listinfo.cgi/thethinktank-bikecollectives.org
>>
>>
>> _______________________________________________
>> Thethinktank mailing list
>> Thethinktank@lists.bikecollectives.org
>> To unsubscribe, send a blank email to
>> TheThinkTank-leave@bikecollectives.org
>> To manage your subscription, plase visit:
>>
>> http://lists.bikecollectives.org/listinfo.cgi/thethinktank-bikecollectives.org
>>
>
> _______________________________________________
> Thethinktank mailing list
> Thethinktank@lists.bikecollectives.org
> To unsubscribe, send a blank email to TheThinkTank-leave@bikecollectives.org
> To manage your subscription, plase visit:
> http://lists.bikecollectives.org/listinfo.cgi/thethinktank-bikecollectives.org
>
>
_______________________________________________
Thethinktank mailing list
Thethinktank@lists.bikecollectives.org
To unsubscribe, send a blank email to TheThinkTank-leave@bikecollectives.org
To manage your subscription, plase visit:
http://lists.bikecollectives.org/listinfo.cgi/thethinktank-bikecollectives.org