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Author Topic: Birth of a Darnel Type vii  (Read 13817 times)

g4yvm

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Birth of a Darnel Type vii
« on: June 16, 2011, 11:15:49 am »
Well after a fair bit of searching and a lot of help from MBM a Darnell Type vii has finally landed on my workbench.  I'll add some photos later and post the build to.

Any advice along the way will be very welcome!  As she lies she has stock props and the VERY nice bigger brass props...they look good!  She has the water tight box and an air bag system: the box may or may not get fitted, but likely not as we intend to make piston tanks.  I intend to fit microgyros electronics and enough scale to make it look good but not so much as to make it difficult to transport.  I have also given consideration to fitting bespoke camera housings within the shell to avoid having to strap them on.  Dunno about that though.

All in all, very excited.

D
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andyn

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Re: Birth of a Darnel Type vii
« Reply #1 on: June 16, 2011, 11:49:19 am »
Here's where I am with mine, got it just before the mayhem weekend. Will get round to detail painting the guns, and spraying the black camo pattern onto the top and sides at some point. Tank is all my own design and build, is running MMB 755 motors, on 12v with 60mm props, and if things turn out well will have firing torps :-))



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g4yvm

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Re: Birth of a Darnel Type vii
« Reply #2 on: June 16, 2011, 12:13:47 pm »
Well, what can I say?  Its beautiful!  Thanks for sharing.

David
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andyn

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Re: Birth of a Darnel Type vii
« Reply #3 on: June 16, 2011, 05:25:13 pm »
Thanks for that :-))
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g4yvm

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Re: Birth of a Darnel Type vii
« Reply #4 on: June 16, 2011, 05:37:03 pm »
Andy, out of interest, where did you get the figureines?

I have been toying with the idea of putting a bridge crew on a little lift so that when she surfaces I can send them up on watch: just not sure how they'd hide when diving but that could be addressed with brush bristles maybe.  Dunno yet but its an intriguing idea.

D
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andyn

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Re: Birth of a Darnel Type vii
« Reply #5 on: June 16, 2011, 05:43:41 pm »
They're George Turner figures, actually 1:32nd scale but who's gonna notice?

I'm gonna fit a leveller/ depth thingy and go along with their heads just poking up out the water {-) Nah I'm gonna mount them with pins and take them off when I sail it..

Could just have them mounted on a section of the deck, when its on the lake noone will notice there's a hole in the top. Is yours the single gun deck version or the same as mine?
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g4yvm

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Re: Birth of a Darnel Type vii
« Reply #6 on: June 16, 2011, 05:53:33 pm »


1/32nd? Yes, I thought they looked a bit odd.  Ha ha, Im kidding.  They must be all of a mm too big!


Single gun on deck and the AA on the wintergarten.

Only just started though, havent even managed to cut the slots yet!!

Is yours piston tank?

D
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andyn

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Re: Birth of a Darnel Type vii
« Reply #7 on: June 16, 2011, 05:56:25 pm »
Mines gonna be dynamic dive, got enough power in the twin 755's on 12v to sink anything...

If you want a pumped tank, there is something on the horizon I know of... Gonna be a little while, I gotta get myself down to Screwfix {-)
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andyn

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Re: Birth of a Darnel Type vii
« Reply #8 on: June 18, 2011, 08:06:32 am »
Here's where we are as of yesterday :-))





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g4yvm

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Re: Birth of a Darnel Type vii
« Reply #9 on: June 18, 2011, 10:06:53 am »
Very nice!  Its going to be a nice boat this, I think.

David
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andyn

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Re: Birth of a Darnel Type vii
« Reply #10 on: June 18, 2011, 10:20:58 am »
Thanks :-)

I hope it is gonna look nice {-)
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Subculture

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Re: Birth of a Darnel Type vii
« Reply #11 on: June 18, 2011, 10:44:06 am »
Are you going to weather it up a bit? Looks a bit squeaky clean.
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Patrick Henry

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Re: Birth of a Darnel Type vii
« Reply #12 on: June 18, 2011, 10:44:49 am »
Dare I ask...why use chain on the railing uprights?



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andyn

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Re: Birth of a Darnel Type vii
« Reply #13 on: June 18, 2011, 01:10:09 pm »
Yep I am Andy, that's the next bit :-))

Rich, it's a bit of modellers license, I absolutely hate bending brass and after a few attempts I ended up with what looked like gold spaghetti... Seeing as we get chain by the kilometer I used that instead..... I reckon it looks ok though.
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andyn

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Re: Birth of a Darnel Type vii
« Reply #14 on: June 18, 2011, 01:16:56 pm »
The tower is gonna end up something like my Gato, but not quite as heavy...

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hollowhornbear

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Re: Birth of a Darnel Type vii
« Reply #15 on: June 18, 2011, 04:12:28 pm »
got to ask why the british crew?
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Patrick Henry

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Re: Birth of a Darnel Type vii
« Reply #16 on: June 18, 2011, 04:25:27 pm »
That'll be because it's HMS Graph then...    %)
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andyn

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Re: Birth of a Darnel Type vii
« Reply #17 on: June 18, 2011, 06:12:17 pm »
Becuase that's all that's available in roughly the right scale while not paying £6.50 for each figure... Next question? {-)
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andyn

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Re: Birth of a Darnel Type vii
« Reply #18 on: July 14, 2011, 10:23:32 pm »
Here's where we are now..

Conning tower isn't glued on yet, and ignore the flood holes down the side. Made a big mess so I'm having them waterjet cut ;)

In the background you can see most of my homemade WTC innards. Going to run a pair of 755's on 12v (the two red batteries) with 60mm props. The green battery is the Rx pack, and not shown is another 12v pack to run the sound system... :}





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Re: Birth of a Darnel Type vii
« Reply #19 on: July 15, 2011, 10:37:41 pm »
Deck looks nice, you're not kidding about those flooding slots though, jeez did you sub-contract the job out to Stevie Wonder?!!
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andyn

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Re: Birth of a Darnel Type vii
« Reply #20 on: July 16, 2011, 01:37:39 pm »
Yup, tried it with the Dremel and the damn thing went everywhere. Knew after about the first 3 that I was gonna send it off to Steve to be waterjet cut anyway.

Got another little trick up my sleeve too ;)




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Mankster

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Re: Birth of a Darnel Type vii
« Reply #21 on: July 16, 2011, 02:25:10 pm »
Yep, wooden decking makes a world of differance, looks great.
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Re: Birth of a Darnel Type vii
« Reply #22 on: July 16, 2011, 04:51:49 pm »
When opening up slots, I mark out, drill a hole, dremel out to within about 1mm of the slot, then use small files or needle files to finish off, that way you maintain control. If you have a lot of slots to do, and they're of the same or similar size, it's worth considering the use of a pre-made stencil.

A slow and laborious task for a U-boat with it's myriad of drainage slots. Diamond coated needle files are best for glass work I find. They don't blunt out and are a bit coarser than the high carbon steel types.

Andy
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andyn

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Re: Birth of a Darnel Type vii
« Reply #23 on: July 16, 2011, 09:29:29 pm »
Stuff cutting it by hand when I can make a whacking great hole and glue in something that's absolutely perfect down to .01mm on each hole ;)

Thanks Ramesh :-)
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Re: Birth of a Darnel Type vii
« Reply #24 on: July 17, 2011, 12:46:28 pm »
An advantage with filing the slots into the hull however is that it remains in one piece- an acrylic sheet will never match the strength of GRP laminate.
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