How does the extra weight way out back effect your handling??? What about wet areas where the tail wheel is carrying a full tank????
I have done something similar on a Walker Mower, only the tank is in a more balanced place on the machine. I call mine the Ric A Green. BTW My first design had to be modified a few times before I got it right.
it is one thing to do a off label applications. It is total stupidity to post it on the world wide web and expect people to approve.
You can lead a Donkey to water but you can't make the Jackass Drink