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- Thread starter phragle
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DAREDEVIL
Banned
YES !!!! can't remember where i seen it but they did,,,small dimples tough and it picked up speed aswell.
Do u have anything new ???:sifone:
DAREDEVIL
Banned
:rofl:
Steve 1
Contributor
Surface treatment of hull bottoms as long as racing has been around. Golf Balls here:
http://www.boatdesign.net/forums/boat-design/golf-ball-boat-install-dimple-plate-20413.html
http://www.boatdesign.net/forums/boat-design/golf-ball-boat-install-dimple-plate-20413.html
Magicfloat
Charter Member
Y'all obviously are not familiar with the 1965 Larson "Million bubble ride". Paul Larson was into hype way before Reggie.Google it.Good stuff.
phragle
Charter Member
true lots of things have been tried before, but things evolve.. the thing that has stuck in my mind for a while now is competion swimsuits. Not up with the details but they have evolved greatly in the last couple of years with textures reducing drag considerably to the point some were actually banned, and they have gone from as minimal as possible to full bodysuits.....
Buoy
Founding Member
As far as a Hydrophobic coating, it might be good for a short time, but my experience with Hydrophobes is they are only going to last a short time, increased friction will wear them down quickly.
As much as they have properties to be "not sticky", they also don't have very good adhesion properties to the substrate they are applied to.
As much as they have properties to be "not sticky", they also don't have very good adhesion properties to the substrate they are applied to.
Ratickle
Founding Member / Super Moderator
I thought a Hydrophobic was afraid of the water......:sifone:
Ratickle
Founding Member / Super Moderator
In the link above there is a reference to controlled tow tests run in a tank with both.
LaughingCat
New member
Oh boy. There shouldbe Youtube videos soon of rednecks hitting golf balls at their cars bragging about the new aerodynamics.
Talk about phobic, Dare I say it, "Sailboat Racing Bottom coatings". VC-17 being the most popular. Works on powerboats as well-10% increase in speed and10% or more in fuel savings on 55ft motor yachts.Down side,so slick steering can drift and slowing down is an issue,that is if you want to slow down.
Steve 1
Contributor
I tried the scales among a a ton of other things and had a small one off Cat (a reverse) that lived
upside-down in the carpenter shop being modified with different surface cosmetics during the work week, what I found was in areas of pressurised running surface things like scales were NOT helpful but in say the tunnel and dead rise areas on the bottom where you want to avoid dragging half the sea with you they helped.
Wahoo 214
Charter Member
"So is shark skin the future of the U.S. Navy? Studies have shown that using elastic silicone as a simple synthetic shark skin, bio-fouling can be reduced by 67%. This ground breaking invention is still in the early stages of development, but maybe one day we will be looking at a shipping industry complete with synthetic shark skin coating. The benefits are endless. By reducing drag, the shark skin can cut costs on fuel for the Navy and shipping industry. Not only is this endeavor financially profitable, but it is also environmentally friendly, as ships will be able to travel longer distances on the same amount of fuel. A green project in more ways than one"
http://www.onearth.org/node/1316
http://www.onearth.org/node/1316
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