[PSUBS-MAILIST] Retractable Reel

Wed Sep 14 09:51:20 EDT 2016

Hello
On pilotfish I have a reel with 160meter long kite surf line actuated by
hand through a mechanical through hull. Quite basic, can be slow but it
works
Wireless would be nice but a whole project itself which i am
currently thinking of: surface drone boat with usbl/acoustic data
modem, energy steering and propulsion, autotracking control and while we
are there, aerial communications...

Regards
Antoine

On Wednesday, September 14, 2016, James Frankland via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:

> Yes, no line length specified.  But they did say stainless spring etc.
> Whether it is or not is another thing.  But I just ordered one, so I will
> let you know...
>
> Kind regards
> James
>
> On 14 September 2016 at 10:28, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org
> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>
>> That looks good James, & a good price!
>> Don't know about it going under the water though!
>> Unless you were intending to attach it to the top of a buoy.
>> I have a friend that repairs fishing reels for a living & it
>> is amazing how water resistant they aren't. Basically if you drop them
>> in salt water, they need overhauling.
>> The trout reels are very simple though, & you are more likely to get away
>> with submersing them.
>> I didn't see how much line they held!
>> Alan
>>
>>
>>
>> ------------------------------
>> *From:* James Frankland via Personal_Submersibles <
>> personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *Sent:* Wednesday, September 14, 2016 8:54 PM
>> *Subject:* Re: [PSUBS-MAILIST] Retractable Reel
>>
>> Blimey.  "Doppler indicator wireless remote robot bouy! " I was thinking
>> something simple!  I'll stick with dragging the dog around, I need it for
>> Sat.
>>
>> Seriously though, I did find this which might be ok.
>> http://www.pfluegerfishing.com/pflueger-reels-fly-reels/pflu
>> eger-automatic-fly-reel/1280270.html
>>
>> There are also "yo yo" reels you can get.  But they don't look like they
>> are very long.  Its a start.  I can see something having to be made.  I
>> have a friend who is a proper clockmaker.  He will know about the springs.
>> I'll ask him.
>>
>> Regards
>> James
>>
>>
>>
>>
>> On 14 September 2016 at 07:41, Alan via Personal_Submersibles <
>> personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>>
>> That could still be done Brian.
>> The "Dive Tracker Sport" has a 4000ft range & indicates position by you
>> sweeping the receiver unit so that it's LEDs light up strongest in the
>> direction of
>> the transmitter. You could have a mechanism that swept the receiver
>> continually
>> & records the direction that is associated with the strongest signal.
>> Then drives
>> in that direction or stops if it is straight above. However you may as
>> well have
>> a support boat doing that.
>> Cheers Alan
>>
>>
>> Sent from my iPad
>>
>> On 14/09/2016, at 5:35 pm, Brian Cox via Personal_Submersibles <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>> wrote:
>>
>> Alan,
>>            I was thinking no lines anywhere, just sonar back and forth
>> between the sub and the buoy.  Maybe like a Doppler indicator , like if
>> it's moving away it would know because of the diminishing sound, so the
>> buoy would likely have to swim in circles always trying to get closer to
>> the subs signal.  I don't know if there would be enough variation at that
>> distance to be able to do it though.  Seems like it could be done seeing
>> how accurate these fish finders are these days !
>>
>> Brian
>>
>> --- mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');> wrote:
>>
>> From: Alan James via Personal_Submersibles <mailto:personal_submersibles@
>> psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> To: Personal Submersibles General Discussion <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> Subject: Re: [PSUBS-MAILIST] Retractable Reel
>> Date: Wed, 14 Sep 2016 05:10:59 +0000 (UTC)
>>
>> Brian,
>> that is doable. You could have a winch that keeps a certain
>> tension on the line & have the line running through a ring,
>> say a foot down below the buoy. When there is an angle on the
>> line it would pull the ring in a certain direction; the ring movement
>> would tell the rov to move in that direction till the pressure was
>> off the ring.
>> You could make most of that up with RC parts for boats
>> apart from the winch. I think you would be looking at at least $500-
>> in parts to do it, plus a lot of time.
>> Alan
>>
>>
>>
>>
>>
>> ------------------------------
>> *From:* Brian Cox via Personal_Submersibles <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *To:* Personal Submersibles General Discussion <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *Sent:* Wednesday, September 14, 2016 3:01 PM
>> *Subject:* Re: [PSUBS-MAILIST] Retractable Reel
>>
>> The ideal thing would be to have an autonomous rov buoy which would
>> shadow your sub on the surface !   But how to communicate between the two
>> ?   Sonar ?
>>
>> Brian
>>
>> --- mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');> wrote:
>>
>> From: Alan James via Personal_Submersibles <mailto:personal_submersibles@
>> psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> To: Personal Submersibles General Discussion <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> Subject: Re: [PSUBS-MAILIST] Retractable Reel
>> Date: Tue, 13 Sep 2016 20:07:48 +0000 (UTC)
>>
>> James,
>> why do you want to drag your dog around behind your submarine?
>>    I have thought of having a float that I can send up when ascending,
>> to alert surface boats to my position. The idea is to send it up
>> from about
>> the 20 - 30ft mark, & have  a retracting mechanism to wind in the slack.
>> There are plenty of divers reels to utilize as a starting point. Lasse's
>> thread
>> on using a pneumatic driver got me thinking that a simple pneumatic
>> turbine
>> with a feed pressure of around 4psi would pull any slack line in & let a
>> large
>> enough float pull it out.
>> It may be a bit more complex in your scenario, as you will have the force
>> from
>> drag to consider.
>> Other thoughts are to start with the divers reel & copy a retracting
>> mechanism
>> from somewhere, but using a 316 stainless clock spring of the right size
>> & torsion.
>> Let us know how you get on.
>> Alan
>>
>>
>>
>> ------------------------------
>> *From:* James Frankland via Personal_Submersibles <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *To:* Personal Submersibles General Discussion <
>> mailto:personal_submersibles at psubs.org
>> <javascript:_e(%7B%7D,'cvml','personal_submersibles at psubs.org');>>
>> *Sent:* Tuesday, September 13, 2016 11:35 PM
>> *Subject:* [PSUBS-MAILIST] Retractable Reel
>>
>> Anyone got any ideas for a retractable reel?  I need to have a SMB but I
>> don't want rope trailing around all over the place.
>>
>> I was thinking of something like one of those automatic retracting dog
>> leads.  So it will auto wind up and down.
>>
>> Ive searched for something suitable off the shelf but cant find anything.
>>
>> I don't have a through hull available for a manual winding one.
>>
>> Im temped to use 2 of those dog leads.  One on the bobber, one on the
>> boat with them joined in the middle.  That would give me about 20 meters.
>> Of course, they would disintegrate after the first use, but ive got several
>> old ones at home that could be sacrificed.
>>
>> Or, some sort of retracting device that could be put inside the bobber?
>>
>> any thoughts?
>>
>> regards
>> James
>>
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