View Single Post
Old Feb 28, 2012, 01:59 AM
KiwiDavid is offline
Find More Posts by KiwiDavid
Registered User
Joined Jun 2011
263 Posts
Hi,
Those are impressive models and no doubt the standard by which all others will be judged. A tough act to follow!

I have uploaded a very short clip of my boat in the video forum section which I didn't know existed until tonight. I had never scrolled down there but did click on the video of woodybob's boat on the sidebar the other day - very nice.

I have the bronze Dumas prop and also a BeCu prop OCY534 which I'm too scared to process after dire warnings from a friend.
I'll drop the pitch down and see if the increase in revs can give it a slight improvement. If nothing else it should further improve the battery life as I move further away from the maximum power and back nearer maximum efficiency.
I can model these things in Spice (full electrical and mechanical modelling) but things like hull drag and air resistance are unknowns. I need a full wave tank and wind tunnel with lots of data acquisition.......or I could just go to the pond.

Cheers,
David
KiwiDavid is offline Find More Posts by KiwiDavid
Reply With Quote