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The Dragonfish revisited.

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nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

The Dragonfish revisited.

Post  nigele(ADMIN) on Wed Feb 13, 2013 4:07 pm

You may remember the Dragonfish, my interpretation of a Cold War Concept sub that was never built.



Well, she's lain idle for a few long months in desperate need of some attention, but over these last few days I've put her back on the slipway and started a refit.

She was never that good in the water, very unstable, so a comletely new wtc is to be installed, the ballast pump is coming out, and she will be rebuilt as a dynamic dive boat. That should make her a lot lighter to start with, and hopefully cure the nose heavy attitude she's always had from day one.

I'm planning on using my Robbe F-14 radio, the original HiTec Optic 6 never did work properly for some strange reason, but the F-14 has worked perfectly in my Neptune, so it's going in the Dragonfish. Plus it's in a tray, which makes using it with arthritic hands and fingers a whole lot more comfortable.

So, I have the new tube on order, I'm going to ask Ron Perrott to make the end caps for me, and so far I've remade the wire linkages for the rudder and the rear 'planes.

More later as and when I've done more to it.


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"number one...periscope depth if you please"

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Wed Feb 13, 2013 4:12 pm

And the redesigned ship's crest..



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"number one...periscope depth if you please"

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 10:53 am

The new length of tube for the Dragonfish's wtc has just arrived, and as a welcome bonus, the MMB end caps fit perfectly.

Now I can crack on with cutting the tube to it's correct length and removing those silly 'ears' on the end caps.




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"number one...periscope depth if you please"

acrowot (Geof)

Posts: 158
Join date: 2011-01-21
Age: 43
Location: chessington surrey

Re: The Dragonfish revisited.

Post  acrowot (Geof) on Thu Feb 14, 2013 11:50 am

Hi Richard
Glad to see the fingers are allowing you to work on this little sub it look rather nice totally different I’m looking forward to seeing how you get on.
Was it originally a kit?
I put my mmb WTC in the kitchen sink before I started cutting holes in it glad to say totally water tight after 2 hours
I know it’s a little of topic tom has asked me for a profile plan of my little fun sub in my profile picture.
I want to convert a parts plan to PDF for everyone to enjoy so if anyone wants to build one they can print it off at home on a printer.
The question is how do you load a pdf onto this site?
Take care geof

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 1:09 pm

Thanks Geoff...originally it was a Trumpeter Seawolf kit. The upper deck started off as the deck of a Trumpeter Kilo kit, cut off, shortened, fitted, sanded and filled and sanded some more to get the right shape. Periscope slots were cut into it, and all the radar domes and deck bits and pieces were all either from my odds box, or scratch built from styrene. The towed sonar pipe is a length of alloy tube, fitted into the bulge in the top deck.

I need to change the prop later on, the boat should have had a seven blade scimitar style prop with anti cavitation tips.

About the .pdf...we've had this before, and I never did work out how to do it. There must be a way, but I can't find it!


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"number one...periscope depth if you please"

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 2:44 pm



Cylinder marked ready for cutting to size...it sits nicely up to the forward brace bar, and allows plenty of room for linkages, prop shafts and couplings, etc.




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"number one...periscope depth if you please"

acrowot (Geof)

Posts: 158
Join date: 2011-01-21
Age: 43
Location: chessington surrey

Re: The Dragonfish revisited.

Post  acrowot (Geof) on Thu Feb 14, 2013 3:21 pm

thanks for the reply on the PDF ill have to think of something.
was the clear tube for your WTC from that ebay link you gave us?
geof

profesorul

Posts: 349
Join date: 2011-07-03
Age: 50
Location: Bucuresti, ROMANIA

Re: The Dragonfish revisited.

Post  profesorul on Thu Feb 14, 2013 3:43 pm

HI,
@RICHARD,
I am so glad to see You are in much better shape!.

I look forward to see what's coming up from You hands.

MARIUS

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 3:57 pm

Correct Geoff...less than 48 hours delivery and free postage too!

Thank you Marius, very kind of you to say so.

It's all cut to size and fits a treat, well pleased with my efforts today. Now, the hands are telling me enough...so I listen to the hands. Tomorrow I'll trim the the ears off the end caps, and then I can start on fitting out the cylinder.


_________________
"number one...periscope depth if you please"

profesorul

Posts: 349
Join date: 2011-07-03
Age: 50
Location: Bucuresti, ROMANIA

Re: The Dragonfish revisited.

Post  profesorul on Thu Feb 14, 2013 4:13 pm

I was about to say in the first place:not exaggerate.
Take care of Your selfs and keep Your strength for long time.

P.S. where did You get the Plexiglas Tube,(the link)and how much it was according with Diameter?.

MARIUS

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 5:05 pm

I've always got my acrylic tube from this eBay seller, Marius...he is very good, very reasonable prices, and extremely fast with his delivery.

http://stores.ebay.co.uk/clearplasticsupplies


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"number one...periscope depth if you please"

acrowot (Geof)

Posts: 158
Join date: 2011-01-21
Age: 43
Location: chessington surrey

Re: The Dragonfish revisited.

Post  acrowot (Geof) on Thu Feb 14, 2013 7:20 pm

do most people go out and get there own tube and just get someone to make the end caps?
i take it the tube is pritty much standard size or do you give the people who are making the end caps the inside dimention

take care geof

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Thu Feb 14, 2013 7:32 pm

Most people do their own thing with cylinders, Geoff...if you have loads of spare cash you buy a ready made one easily, but those of us who need to watch the pennies make their cylinders.

My usual method is to buy the tube to fit the boat, cut it to size, and then ask Ron Perrott or Mark at MMB to make the end caps for me. Make sure that you send whoever is making the caps the odd length of tube you've cut off, that way you get the caps to be a perfect fit, as the stuff does vary in diameter. Not by much, but enough not to seal.


_________________
"number one...periscope depth if you please"

acrowot (Geof)

Posts: 158
Join date: 2011-01-21
Age: 43
Location: chessington surrey

Re: The Dragonfish revisited.

Post  acrowot (Geof) on Thu Feb 14, 2013 8:06 pm

good bit advice mate i will remember that in future
many thanks geof

nigele(ADMIN)

Posts: 2955
Join date: 2010-11-05
Age: 60
Location: essex, UK

Re: The Dragonfish revisited.

Post  nigele(ADMIN) on Fri Feb 15, 2013 3:01 am

Well, there was nothing much on tv, so I ignored my hands and cut off those 'ears' on the end caps. Little bit of sanding tomorrow...that's that job done.





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"number one...periscope depth if you please"
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