it'd be helpful if you had some pictures showing the boat setup on trailer, and also while operating in condition that you're concerned about?
Hi Ed - i don't recall dimensions of the 21Scarab bottom, but the flat pad is a performance advantage when set up well. You're right that this...
Looks like a great boat and project! scarab bottom design is pretty well proven high speed configuration, what power are you using, what speed...
Check out here for design questions Tunnel Boats, Vee Hulls and Performance Powerboat Design https://www.aeromarineresearch.com/
check out info here: https://aeromarineresearch.com/
I would expect that your cavity areas would do more to disturb flow in region of lift strakes, resulting in reduced lift and increased drag....
Testing Electric-Powered 32-Foot Cat With 100-Plus-MPH Goal In Mind [IMG]
Great that you're getting improved results! Engine height still sounds too low. if water pressure still ok, you might find more improvement by...
Hi Tapani - it seems that your engine height is still too low. Raising height should reduce susceptibility to porpoising. This should also allow...
Nice little boat! Centerpod design helps handle some waves. weight of hull will make a difference to your performance. lightweight hull should...
Looks like a fun project!
Naeem - not much info in your dwg. perhaps you can explain more about your problem and design/setup?
Looks like a fun project, and design challenge.
Agreed (AofA = Trim Angle). Sea Sled is very interesting and unique design.
Yes. Angle of Attack influences basic Lift Coefficient [Clo], in Savitsky's formula, which changes with Trim Angle.
Hi Bullsipper - sounds like an interesting project. it's not immediately clear what issues that you are trying to solve, with your proposed...
The 13ft eliminator tunnel is a cool boat. there were only a few built. i don't recall the hp/weight that this hull was designed for. you...
Alexander - yes, that's me. Good luck with your project. Looks like fun.
Nice project!
Looks like a fun study.