[Rhodes22-list] Propeller selection

[Jim Connolly]

According to Nissan, the 7.5" pitch prop appears to be the standard prop on the long shaft version.  

I think I'll get a lower pitch, then based on:
1) Bill's "...wish for ...the ability to go slower."
2) FAQ and Nissan info.

Still *slightly* concerned about over-revving the motor with too low pitch.  Anybody ever put a tach on the motor?  Any other opinions?

Regarding remote control, I just called the dealer and they said that the Nissan 8 *isn't* available with remote control, but the 9.8 is.  Looks to me like the 9.8 and 8 are the same motor with different tuning or gears, but that a remote kit for the 9.8 should fit the 8.  

Rummy, is this what you did? or is my dealer misinformed?

Is there a picture anywhere of the GB motor-rudder linkage system or of a DIY system someone has built?  It seems to me I saw one once, but cannot find it now.

Jim Connolly




On 28 Jan 2003, Bill Effros wrote:

> Jim,
>
> Congratulations on your motor selection. Like
> every other owner of this motor on the list, I
> am thrilled with mine.
>
> I don't know which propeller I have, however I
> can tell you that the motor effortlessly (less
> than half throttle) gets the boat to hull
> speed. The only thing I would wish for is the
> ability to go slower.
>
> Have the dealer set the idle speed as low
> as possible. The engine is very reliable,
> and won't stall once you locate the lowest
> idle speed.
>
> Select the propeller that gives you the least
> forward motion per revolution.
>
> I have the Tohatsu remote control unit which I
> mount on the port side stern rail. This is a
> costly option from Tohatsu, and you can get a
> generic unit for a lot less money, but not if
> you would like to convert your engine to
> key-start, and have the ability to start the
> engine or shut it down from the remote
> location.
>
> I strongly recommend remote control units that
> allow you to intuitively control your boat
> (push forward-go forward, push back-go back)
> if you can see you're likely to find yourself
> in situations where mistakes under motor could
> be costly.
>
> Remote control units are easily fitted to
> existing motors, however, you may be able
> to make a better deal with your dealer at
> this time. I know Rummy got a very good
> deal on his.
>
> You will find that the little alternator on
> your motor puts more energy into your battery
> than it withdraws when you are using it as a
> starter motor. There's absolutely no need to
> get a separate battery to start the motor. The
> built-in starter rope is all the back-up you
> need. In the ten years I've owned the motor I
> never needed the rope. I tried it once, out of
> curiosity. It started on the first to pull.
>
> I have two solar panels in addition to the
> Tohatsu. My boat sits on a mooring all
> summer, and in a parking lot all winter. My
> batteries (I have two, hooked together, which
> seems to be one more than I really need) are
> always on board. They are always fully
> charged. I have never recharged them using
> shore power. They are five years old, and
> still working fine, but they no longer have
> as much reserve as they used to, so I plan to
> replace them this year.
>
> Bill Effros
>
> ----- Original Message ----- From: "Jim
> Connolly" <jbconnolly@speakeasy.net> To:
> <rhodes22-list@rhodes22.org>
> Cc: <rhodes-list@sailnet.net> Sent: Tuesday,
>     January 28, 2003 10:32 AM Subject:
>     [Rhodes22-list] Propeller selection
>
>
> First of all, thanks to the list for all the
> feedback on my previous motor question.
>
> FWIW, I will likely end up getting the
> Nissan/Tohatsu 2-stroke 2-cylinder 20"
> NS8BEF2. This is the smallest, lightest (and
> least expensive) new motor I could find with
> electric start (priority for my WW) and
> charging system.
>
> I still like Yamahas, but to get these
> features, I would have to go with the T-8,
> almost twice as heavy as the Nissan, and 50%
> more expensive. They are also scarce.
> Couldn't find a 20" shaft F6 or F8 for a good
> price, most places with good prices sold out
> until July.
>
> Now the question, which prop?
>
> Nissan web site lists a heavy boat as
> 1,500-3,000LB, and lists two potential
> propeller choices for the NS8BEF2 and a heavy
> boat as follows:
>
> Diameter pitch blades SN
> 8.5 6.5 3 3B264-5130M
> 8.5 7 3 3B264-5140M
>
> The local Nissan dealer was not willing to
> speculate on which would be better. Since the
> Rhodes is at the upper end of heavy, it seems
> logical that the lowest pitch might be the
> better selection. This is also consistent with
> the FAQ. I am worried about over-revving
> though if pitch is too low.
>
> Does anyone have any experience with either
> of these propellers & a Nissan/Tohatsu 8 on
> the Rhodes?
>
> Jim Connolly
>
>
>
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