Monday, May 18, 2020

Re: [electricboats] Proper propellor

What is your setup and what did you get from them?

Thanks

On Mon, May 18, 2020 at 9:27 AM Darin <armyofpenguins@gmail.com> wrote:
I got my prop from Olympic Propeller Co right here in Anacortes.  www.getaprop.com

On Mon, May 18, 2020 at 5:07 AM Larry Brown <elcapitanbrown@gmail.com> wrote:
On this subject I think I'm about to pull the trigger on a prop.  I have an email out to the prop guys in California Bob mentioned to see what they say.  But here's my thinking...

I have only been on two trips that had overnight sails.  On both of them I picked up crab traps.  I used to have a full keel monohull and never suffered such a thing.  Now I realize everyone's pain.  I seriously want to bet a folding prop.  Reading some reviews it looks like Flexofold is the best folding prop out there.  My current prop is a two blade 18".  Not sure of the pitch.  I plan on moving to the 3:1 reduction from my current 2:1.

The highest pitch flexofold offers is 16 for the 18".  It's expensive for sure but slipping by the crab traps would be much more desirable.  Questions are whether the pitch is enough and and will the 3:1 work well with the 18" prop.

Motor is the Thunderstruck 12kw 48v

The current 3 kt performance has to go.

Larry

On Mar 7, 2020, at 8:32 PM, Bob Jennings <heatnh@gmail.com> wrote:


Part of the problem with heading into a 15 knot wind with gusts...   First off it's a sailboat, they get blown around while motoring. 
Secondly, you just don't have enough headway.  Unlike our ICE counterparts you're in a boat that utilizes an electric drive so like all of us, you're light on the throttle in order to extend range.
Ask me how I know this :)

Prop, on my 28', currently running a 4 bladed 12x12.5 meant for a wakeboard boat. I started out with a 14x10 3 bladed. Imo, get rid of that 2 bladed prop.

On Sat, Mar 7, 2020, 5:31 PM <tom@tsteininc.com> wrote:
I've got an O'Day 30' with a Thunderstruck 10K motor, 2:1 reduction and 4 AGM batteries.  I've got the original 16" pitch 9, 2 blade prop that was powered by a 16HP Universal when the boat was built. I'm convinced there must be something more efficient. I can't even maintain a course into a 15mph wind.  
I'm with Jeff looking for suggestions




tom@tsteininc.com
850 259-8600

Thos. Stein Inc. 
78B Ricker Ave. 
Santa Rosa Beach, FL 32459

Florida underground utility contractor license RU0058046
Florida plumbing contractor license RF0057995



--
Larry Brown
S/V Trident
Palm Harbor, FL
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