Geo,

In the little time we have been promoting the sport in this area it
seems as though it's really taking off.
As far as your questions. I'll have to look at the rule book as far
as the maximum diameter. We made a type on the website.
we measure the hitch height from the ground up. It's no more than 15"
from the ground... hitch distance from center of rear axle is no more
than 15".
All the competitors have different riding styles. Some like to stand
as they feel they have more control over the bike. However it depends
on how you set your bike up and distribute the weight. I have a sit
down riding style and that is the way my trike is set up.
Will have to check on the videos to see if there are any problems.
The last question you had was if any of these bikes are dual use. We
only have one rider that if she wanted could change hers back into a
street bike. It really depends on how serious you get into it etc.
Hope this answered some of your questions....

David

--- In NEMPRA@yahoogroups.com, "Geo" <george3476@a...> wrote:
>
>
> Hi David, I like your green machine, looks like a lot of fun to
pull
> with and bet it sounds great too !!! We have bikers all over the
> place up here in Western New York, I bet this sport would be real
> popular once it gets a foothold and exposure. One of the things I
> like about these pullers is a range of tire choices available
> including dual tires and even using aggressive ATV tires, it'd be
> interesting to observe how each combination works. The rules state
a
> maximum of 30" diameter but it appears that some are running
> 31x15.5x15" tires, is the rule book in error as those Dick Cepeks
> they are running or other "pro" tires are not available in a
smaller
> 15" rim size to my knowledge. In 4 wheel pulling most classes are
> regulated by tire size so it's nice to see an open rule. Also
another
> rule that seems curious is the drawbar hookpoint height is
determined
> by the FRONT ??? axle centerline and not the REAR axle c/l, is that
> right and if so why so, Thanks for clarifying. It also appears that
> you guys stand rather than sit so as to more effectively distribute
> your weight by body steering,,yes ?? I couldn't get any of the
videos
> to play on my 'puter (it would partly upload and then keep
repeating
> never finishing, might be something wrong with my setup, not sure).
> One other question, are some of these bikes dual use or are most
> dedicated pulling machines ?? Thanks again for any input. Geo