The "dillon mini tunnel" gt pro racing tunnelboat. redesigned for 2014 see the new plans. also available: cockpit plans can be adapted to the mini tunnel. Tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support. ask questions on our support web site. The hasty hydro is a true “3-pointer” with only the front sponsons and the extreme aft end of the hull actually touching the water when this firecracker is up on.