I'll keep that in mind Victor, but at this point I haven't even
finished putting together what I've got!
~James
On 1/2/11, vjmtymo <vjmtymo@yahoo.ca> wrote:
> I can't recall exactly where in cyberspace I read about the model plane prop
> but if I come across the comment, I'll post it here. You could drop by a
> model RC store, pick out something to start with and entertain yourself by
> adapting and experimenting. Who knows, you might come up with a fresh idea
> or something.
>
> Victor
>
> --- In electricboats@yahoogroups.com, James Zagray <jzagray@...> wrote:
>>
>> Thanks Victor,
>>
>> Any idea which specific model plane prop it is and where it can be found?
>>
>> You have to wonder about this kind of thing. You would think that Minn
>> Kota
>> has put a lot of R & D behind their props, and I'm sure they will tell you
>> that what they have supplied with the motor is the best trade-off between
>> thrust and energy efficiency. If I find I need a bit more power, I'll
>> look
>> into changing the props.
>>
>> ~James
>>
>> On Thu, Dec 30, 2010 at 10:08 AM, vjmtymo <vjmtymo@...> wrote:
>>
>> >
>> >
>> > Apparently, some people have swapped out the trolling motor prop in
>> > favour
>> > of a large model airplane prop to change the pitch and give a bit more
>> > push.
>> > Just a thought.
>> >
>> > Victor
>> >
>> >
>> > --- In electricboats@yahoogroups.com <electricboats%40yahoogroups.com>,
>> > James Zagray <jzagray@> wrote:
>> > >
>> > > Thank you Ned,
>> > >
>> > > Unfortunately I don't think these are going to work for me because
>> > > they
>> > are
>> > > not waterproof. The best solution for my application looks like a plug
>> > and
>> > > receptacle. I'm leaning toward this one:
>> > >
>> > http://www.cabelas.com/auto-boat-battery-accessories-ranger-style-trolling-motor-plug-receptacle-3.shtml?type=product&WT.tsrc=CSE&WT.mc_id=GoogleBaseUSA&WT.z_mc_id1=699783&rid=40&mr:trackingCode=B203DE51-F5D2-DF11-82EF-001B21631C34&mr:referralID=NA
>> > > Since there are 2 wires for each motor and this is 4 prong, I should
>> > > be
>> > able
>> > > to wire them both through one plug.
>> > >
>> > > ~James
>> > >
>> > > On Thu, Dec 30, 2010 at 6:32 AM, Ned Farinholt <nedfarinholt@>wrote:
>> >
>> > >
>> > > >
>> > > >
>> > > > James,
>> > > > Here is a source for the Anderson connectors.
>> > > >
>> > > >
>> > http://www.solarseller.com/anderson_sb_quick_connect___disconnect_cable_connectors__accessories__stage_wiri.htm
>> > > > Ned
>> > > >
>> > > > On Dec 29, 2010, at 10:33 PM, James Zagray wrote:
>> > > >
>> > > >
>> > > >
>> > > > Thanks Eric!
>> > > >
>> > > > I spent about half the day today searching for connectors, but
>> > > > didn't
>> > > > run accross Andersons. I'll look them up for sure. I'll have a
>> > > > difficult time locating them someplace dry unless they are narrow
>> > > > enough to fit through a small hole in the hull. I've been looking at
>> > > > plugs and receptacles made specifically for trolling motors, so
>> > > > they're water tight. I'll figure something out.
>> > > >
>> > > > I really appreciate the research you did on my motors. I was
>> > > > wondering how many amps they draw. Technical support at Minn Kota
>> > > > wasn't much help because the motors are'nt designed for what I am
>> > > > doing with them. They wouldn't suggest any kind of connector.
>> > > >
>> > > > I'll be interested in my watts to knots too! I would be very happy
>> > > > with 4 or 5 knots.
>> > > >
>> > > > Thanks again,
>> > > > ~James
>> > > >
>> > > > On 12/29/10, Eric <ewdysar@ <ewdysar%40yahoo.com>> wrote:
>> > > > > Hi James,
>> > > > >
>> > > > > I checked out the MinnKota website for specifics about your setup.
>> > > > > It
>> > > > looks
>> > > > > like the dual motors have dual controllers and with the max
>> > > > > amperage
>> > > > listed
>> > > > > as 116A @ 24V, I'll assume that each motor can draw almost 60A.
>> > > > Therefore,
>> > > > > you'll ant to make sure that each disconnect is rated for at least
>> > that
>> > > > much
>> > > > > current. Anderson SB connectors are what almost all EV people use,
>> > they
>> > > > > come in 50A, 175A and 350A versions. Given your setup, I would go
>> > with
>> > > > the
>> > > > > 175A ones for each motor, just to be on the safe side of things.
>> > These
>> > > > > connectors are not specifically waterproof, so you'll want to make
>> > sure
>> > > > that
>> > > > > they are located in a relatively protected area. MinnKota says
>> > > > > that
>> > the
>> > > > > motor leads are 12 feet long so locating the connectors should not
>> > > > > be
>> > a
>> > > > > problem.
>> > > > >
>> > > > > I don't know the typical efficiency of a trolling motor and prop
>> > setup
>> > > > like
>> > > > > you've got, however if it is close to what people are getting with
>> > > > inboard
>> > > > > installations you can expect about 4 knots from about 1000W (42A @
>> > 24V).
>> > > > > I'll be interested in your "watts to knots" numbers once you're up
>> > and
>> > > > > running to compare your observed performance to other existing
>> > > > conversions.
>> > > > >
>> > > > > Fair winds,
>> > > > > Eric
>> > > > > Marina del Rey, CA
>> > > > >
>> > > > > --- In
>> > > > > electricboats@yahoogroups.com<electricboats%40yahoogroups.com><electricboats%
>> > 40yahoogroups.com>,
>> >
>> > > > "jameszagray" <jzagray@> wrote:
>> > > > >>
>> > > > >> Howdy! I joined your group because I am on a quest to eliminate
>> > > > >> the
>> > use
>> > > > >> of a gas engine as a "kicker" on my 1974 Aquarious-23 sailboat. I
>> > bought
>> > > > >> a Minn Kota, 24v, 160 lb. thrust, dual engine mount motor, and
>> > > > >> have
>> > just
>> > > > >> finished mounting it to the bottom part of an old Johnson
>> > > > >> outboard
>> > with
>> > > > >> the power head removed. For now, I'm going to run 2 12v deep
>> > > > >> cycle
>> > > > >> batteries wired for 24v, charged by 2 12v, 30w solar panels, also
>> > wired
>> > > > >> for 24v. The plan is to someday add at least 2 more batteries and
>> > > > >> 2
>> > more
>> > > > >> solar panels. Right now, the boat is wired to run the 65 lb. Minn
>> > Kota I
>> > > > >> used last season from a plug on the transom. I need to figure out
>> > how to
>> > > > >> run cables and disconnects for my new system so I can easily take
>> > the
>> > > > >> motor off the boat for trailering.
>> > > > >>
>> > > > >> I'll be posting pictures of what I have so far in the album
>> > "Electric
>> > > > >> Kicker". I would love to have input, comments and advise from
>> > > > >> those
>> > of
>> > > > >> you with experience.
>> > > > >>
>> > > > >> Happy sailing!
>> > > > >> ~James
>> > > > >>
>> > > > >
>> > > > >
>> > > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > >
>> >
>> >
>> >
>>
>
>
>
No comments:
Post a Comment