[PSUBS-MAILIST] engine drive

Wed Aug 23 03:58:04 EDT 2017

Hank.  Just an idea but I had thought of some sort of pontoon thing, a bit
like a catermaran that's you drive the sub into.  Pontoon is then firmly
attached to the sub so it becomes one surface boat.  Pontoon can have a
decent outboard, fuel, stores, BBQ etc.  Drive to the dive site. Detach,
dive and re attach when done.  Thoughts?
James

On Tuesday, 22 August 2017, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Alan,
> Have you towed a sub with a small boat?  It sucks real bad.  I hate it !!!
> ;-)    Packing the sub with batteries is an option up to 260 lbs.  That is
> not cheap.  My batteries are almost 600 dollars each here in Canada.  Lots
> to think about I guess.
> Hank
>
>
> On Tuesday, August 22, 2017, 3:47:29 PM MDT, Alan via
> Personal_Submersibles <personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>
>
> Hank,
> you would have to turn off & on the motor in the inflatable &
> detach the power cord which may be more difficult than just
> towing with the inflatable & boarding the sub.
> I know you disliked towing because of the unpredictable
> weather, but have you been in the bad weather with the
> inflatable! They can take anything! If you pulled the nose of
> the inflatable in to the submarine with a rope, you should be
> able to board in foul weather. ( my theory anyway )
> Is the outboard going to be an over-kill as you will be limited
> by your thrusters as to how much power you required!
>    What about buying more batteries to extend the range!
> Pack them in if it's a long journey. They may come in handy
> driving a heater or air con on shorter dives.
> Other than that maybe make a pod with a diesel engine in it
> that can replace your escape pod!
> Cheers Alan
>
>
>
> Sent from my iPad
>
> On 23/08/2017, at 9:00 AM, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>
> Hi All,
> Well I had an idea that I could put a small diesel engine in my escape pod
> and it would be a quick easy modification.  Turns out a diesel that will
> fit is not readily available, so I looked at my  gas engine.  That fits but
> is full of hazards that will take to much time to address.  So I give up!
> Now onto the new idea.  I thought about putting a 36V generator in my
> inflatable since I am towing it anyways.  I can just tie the boat to the
> side of Gamma and run a power line over to the sub to power a drive motor.
> That will work but I have improved on that idea.  The boat will have a
> Johnson 9.5 hp outboard on it, so why not machine a hub onto the outboard
> motor flywheel and drive a 36V alternator( generator)  directly, then  the
> same motor can do two jobs.  It has to be direct drive to the alternator
> because the crank bearing in the motor can not take a side load for a
> pulley and belt.
> This could work!
> Hank
> .
>
>
> On Tuesday, August 22, 2017, 9:49:18 AM MDT, Juergen Guerrero Kommritz via
> Personal_Submersibles <personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>
>
> Hello Hank
> Ethanol do not explode like gasoline. It will burn but do not cause a
> burst explosion like gasoline. It is safer and if there is an accident and
> it spill over the enviroment, you get some drunk fishes but nothing
> serious, after a hangover they will be fine.
> As far as I know in some states in the US is possible also to destill your
> own ethanol for fuel, of course you must get the permit.
> Is a idea
> Best wishes
> Juergen
>
>
> hank pronk via Personal_Submersibles <personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
> schrieb am 14:31 Montag, 21.August 2017:
>
>
> Juergen,
> That is interesting, what makes Ethanol safer?  does it have a lower flash
> point?  No worries with the passengers drinking the fuel, I will post a
> sign that says" if you drink the fuel you have to swim home"  ;-)
> Hank
>
>
> On Monday, August 21, 2017, 9:24:42 AM MDT, Juergen Guerrero Kommritz via
> Personal_Submersibles <personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>
>
> Hi Hank,
> An idea is to convert the motor to ethanol, it looses 10% power, but
> ethanol is saver than gasoline. The greatest problem is to avoid that the
> passengers drink the fuel :-).
> Best wishes
> Juergen
>
>
> hank pronk via Personal_Submersibles <personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
> schrieb am 6:52 Sonntag, 20.August 2017:
>
>
> Hi All,
> My diesel engine did not work out in the end, and 6 hp I suspect is a bit
> skinny.   I do have a beautiful 15 hp 4 stroke Honda outboard that has been
> converted to run a hydraulic pump inboard.  I converted it many years ago
> to power my sternwheeler but ended up with an antique engine. The engine is
> stripped down to a bare engine with external water pump and internal oil
> cooler.  The problem is, it is a gas engine, and that is a big NO NO or is
> it?   If the fuel supply is outside the hull and the engine is run out of
> fuel before a dive, then there is no fuel at all inside the sub while it
> dives.  An engine compartment blower fan can constantly circulate air
> through a duct to the outside of the sub.  I know as a rule it is
> considered a bad idea but with careful   installation it could be a very
> nice drive system.  This would be much quieter and smoother than a diesel
> engine.  The Honda would be very easy to remove from the escape pod if I
> need to escape.  The Honda 4 stroke is as reliable as even a Yanmar diesel.
>   I was bragging to a Honda mechanic one time that the Honda starts with
> two pulls in the spring.  He said it must need a tune up LOL  it should
> start in one pull.
> Hank
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