My Outrageous STV Project

[AZMIDLYF]

subbed

[R.grover]

Did you dyno it yet?

[cali kid]

Did you dyno it yet?

No, the closest dyno is about 100 miles away. Have not had a chance yet.

[capteliminator]

Sweet boat cali kid!!! Be safe and keep us updated on your performance!!!

[whipper]

Did it start dipping sponsons left to right...kinda like a chine walk? The boat is setup with starboard side steer, right? Next time, lean your body (above the seat) over towards the center of the boat. My PCS does this at about 103-105 and leaning over moves enough weight towards the center for it to stabilze. Doesn't do it with a passenger.

Awesome project be safe as im sure you realize. Im not a tunnel driver but to me this would indicate the need to balance the hull port with a 30-40 lb shot bag when running solo. What i did for balancing my Allison was move my seat base side ways. now I have port/ left to starboard/right ability for weight transfer. I mounted it were I always drive so no need for fore and aft since im the only one driving her anyway. Solo I move the seat to the port and with a passenger I simply slide the seat the other way. At first it was a little weird having the wheel slightly over but now I actually dont even notice it. Quick way to see if you need to balance the hull solo is just add 40lbs in the port gunnel and take her for a dig. Couple of dumbbells like a 20 and two 10,s. that way you can take out 10 or both 10,s if 20 works? If that works you can get the lead shot bags made up in the desired weight once ya know what works.

Just a suggestion because hanging over to one side wouldn't appeal to me at 120. haha Any way thats what all the Allison boats need to do that arnt Center Steer to get the balance right. Its very critical at speed to prevent chine walk. When ya get the ballance right even Allisons are way easier to drive. haha Guys will use what they have on board to off set as much as possible to minimize the added weight. So battery over on the port side as much as possible ect.. Sick setup Calikid!! Im drowling!!

[cali kid]

Awesome project be safe as im sure you realize. Im not a tunnel driver but to me this would indicate the need to balance the hull port with a 30-40 lb shot bag when running solo. What i did for balancing my Allison was move my seat base side ways. now I have port/ left to starboard/right ability for weight transfer. I mounted it were I always drive so no need for fore and aft since im the only one driving her anyway. Solo I move the seat to the port and with a passenger I simply slide the seat the other way. At first it was a little weird having the wheel slightly over but now I actually dont even notice it. Quick way to see if you need to balance the hull solo is just add 40lbs in the port gunnel and take her for a dig. Couple of dumbbells like a 20 and two 10,s. that way you can take out 10 or both 10,s if 20 works? If that works you can get the lead shot bags made up in the desired weight once ya know what works.

Just a suggestion because hanging over to one side wouldn't appeal to me at 120. haha Any way thats what all the Allison boats need to do that arnt Center Steer to get the balance right. Its very critical at speed to prevent chine walk. When ya get the ballance right even Allisons are way easier to drive. haha Guys will use what they have on board to off set as much as possible to minimize the added weight. So battery over on the port side as much as possible ect.. Sick setup Calikid!! Im drowling!!

Thanks for the input. I'm using a heavy group 27 battery on the port side now. Really helped stabilize the ride. Appreciate the comments.