Re: Jellyfish oar
- Here's an excellent resource for sculling info.
--- In bolger@y..., wmrpage@a... wrote:
> In a message dated 4/29/02 12:36:42 PM Central Daylight Time,
> proaconstrictor@y... writes:
> > Both oars and the
> > jellyfish have a recovery stroke due to the reciprocal
> > nature of the stroke. More efficient options would
> ...not have a recovery stroke. Like the old-fashioned technique of
> (sic?) with an oar over the stern! Likewise a yuloh powers (I
> both the "to" and the "fro" stroke. Both of these techniques permit
> operator to face forward.
> I don't have any experience with either. I have never
tried "skulling" (it
> that's the proper term) with anything that approached appropriate
> or with the benefit of instruction. If it is not more efficient
> an umbrella underwater, it should be, as it is so much more
> there is the pure "show-off" factor of having mastered such an
> I really don't grasp the theory of "skulling" (despite having read
> one nicely illustrated article on the subject somewhere - no entry
> "skulling" in the WB index). However, I have witnessed it being
> impressive panache, so I know it can be done.
> Ciao for Niao,
> Bill in MN
> [Non-text portions of this message have been removed]
- Prop shaft and prop is the simplest and most efficient solution. The
problem is draft. You can run the mercruiser almost all the way
retracted at low RPM's to work through shallow spots. It would be
difficult to get buy with less then 2 1/2 feet of draft with out a
For those interested in converting a car engine into a marine engine see
Ken hankinsons "Inboard Engine Installation " is an excellent source.
Glen L sells it I believe.
> I might be revealing my naivety, but what is wrong with a simple
> drive shaft and prop? Don't propellors work at 2000 rpm? Why use a
> sterndrive at all?