Author Topic: WW2 era Hydrofoil - Vosper X-2 - Finished  (Read 1499 times)

Offline Buzzbomb

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WW2 era Hydrofoil - Vosper X-2 - Finished
« on: October 07, 2021, 05:45:25 PM »
Much, box top removing and and replacing has gone on with two kits around this GB


However, the Vosper looks like it has come out ahead in my hand wringing.

I plan on doing a Hydrofoil used in the WW2 timeline
Nothing further yet, just a glimmer of an idea of a high speed torpedo boat
« Last Edit: November 05, 2021, 06:34:07 PM by Buzzbomb »

Offline The Big Gimper

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Re: WW2 era Hydrofoil - Name may change
« Reply #1 on: October 07, 2021, 10:05:30 PM »
The great grandson of AGB's HD-4 hydrofoil?

« Last Edit: October 07, 2021, 10:08:02 PM by The Big Gimper »
Work in progress ::

I am giving up listing them. They all end up on the shelf of procrastination anyways.

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Re: WW2 era Hydrofoil - Name may change
« Reply #2 on: October 08, 2021, 12:13:28 AM »
The "Chen Yuen" was build in Germany, so it could pass for almost any ironclad of the era.

The Vosper hydrofoil would look good - especially if you add airplane engines!

Offline Old Wombat

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Re: WW2 era Hydrofoil - Name may change
« Reply #3 on: October 08, 2021, 12:36:07 AM »
Vosper already had 3 x RR Merlins, how many aircraft engines do you want! :o
"This is the Captain. We have a little problem with our engine sequence, so we may experience some slight turbulence and, ah, explode."

Offline MAT

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Re: WW2 era Hydrofoil - Name may change
« Reply #4 on: October 08, 2021, 02:01:45 AM »
The "Chen Yuen" was build in Germany, so it could pass for almost any ironclad of the era.

The Vosper hydrofoil would look good - especially if you add airplane engines!

What? Who? When? Where?

Offline jcf

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Re: WW2 era Hydrofoil - Name may change
« Reply #5 on: October 08, 2021, 02:31:23 AM »
Vosper already had 3 x RR Merlins, how many aircraft engines do you want! :o

The Vosper used three Packard 4M-2500 V-12s, which was the
standard engine in UK MTB/MGB and US PT-Boats. The Merlin
was not used in any of these boats.

https://uscrashboats.org/cpage.php?pt=15



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Offline jcf

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Re: WW2 era Hydrofoil - Name may change
« Reply #6 on: October 08, 2021, 04:51:32 AM »
Are you thinking ladder foils or surface piercing "U-foils" ala Supramar?

The original Bras d'Or foil development vessel built for the Canadians by
SARO (Saunders-Roe) had ladder foils.

http://dave-mills.yolasite.com/saro-hydrofoil-bras-dor.php

SARO explored a number of concepts, something like the conventional design with four-sets of foils
might have promise for your Vosper based boat.
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Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #7 on: October 08, 2021, 06:48:09 AM »
Are you thinking ladder foils or surface piercing "U-foils" ala Supramar?

One of them or possibly something that looks like them. Or not. No idea yet, just a thought bubble at the moment.

Although overnight the thought of the Ironclad as the Flagship of the Colony of Victoria became a bigger thought bubble. Perhaps Britishify it somehow.
HMVS Collingwood maybe ;D

Things might change and the box lid removing/replacement cycle might start again.

Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #8 on: October 11, 2021, 04:31:57 PM »
Just one more boring day in lockdown, (sung to the tune of "One more boring night in Adelaide" by Redgum... sorry Guy ;) )

Got into the Vosper and I know the kit is showing its age and all, but really it is not that nice to build so far. See exhibit A with all the clamps. Also stripping card for the Hydrofoils


Shaping the airfoil section (seafoil ?? ) got to work with the basic fit out


Scratchbuilt 6 Pounder mount (which needs a slightly smaller diameter barrel) and a pre loved Oerlikon bandstand left over from the Fairmile D MTB build


I figured that I need to get the craft basically built and fully fitted before fitting the Hydrofoils. Of which there will be some cheating, as I plan to mount in a sea base to try and sell the idea more effectively
« Last Edit: October 15, 2021, 05:12:20 AM by Buzzbomb »

Offline Old Wombat

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Re: WW2 era Hydrofoil - Name may change
« Reply #9 on: October 11, 2021, 04:42:51 PM »
I share your pain with the old Vosper, mine went together like a lot of things that aren't meant to go together when I built this:

"This is the Captain. We have a little problem with our engine sequence, so we may experience some slight turbulence and, ah, explode."

Offline kitnut617

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Re: WW2 era Hydrofoil - Name may change
« Reply #10 on: October 11, 2021, 09:12:39 PM »


I'm intrigued with that tool bar you're using, what is it please ?

Offline apophenia

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Re: WW2 era Hydrofoil - Name may change
« Reply #11 on: October 12, 2021, 03:58:32 AM »
Yup, your shot with the clamps says it all for that kit  :P

Really liking the look of your gun mounts. Your 6-pounder is the Molins-feed Mark IIA, right?
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Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #12 on: October 12, 2021, 05:49:49 AM »
I'm intrigued with that tool bar you're using, what is it please ?

it is a DAFA Slide Cutter/paper trimmer, a bit further up the food chain to the cheap plastic ones. I like it because the blades are just sections of the larger snap off type box cutter blade, so easy to obtain. It is sturdy enough to cut reasonable plastic card and also works with thick card with a score and snap routine. Much safer than running a heavy blade down a ruler you are holding with your fingers.

Example from the web
https://www.proopsbrothers.com/dafa-slide-cutter-wit-cutting-mat-and-rule--paper-craft-art-hobbies-scrap-booking-c6016-518-p.asp


Yup, your shot with the clamps says it all for that kit  :P
Really liking the look of your gun mounts. Your 6-pounder is the Molins-feed Mark IIA, right?
Correct, fairly common late war fitting on larger MTB, but could be fitted to Vosper as well. Gave the MTB's much greater punch than the previous 2 pounder mount.
I reckon I will change the bandstand to the later Powered twin mount, I have a Coastal Craft version in the stash, so may as well use it and it fits the timeline better and much smaller mount.

Offline kitnut617

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Re: WW2 era Hydrofoil - Name may change
« Reply #13 on: October 12, 2021, 06:20:25 AM »
Thanks for that BB  :smiley:

Offline finsrin

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Re: WW2 era Hydrofoil - Name may change
« Reply #14 on: October 12, 2021, 10:15:49 AM »
Looks on track to be quite the boat.  Fascinated to see how this turns out.  Unlike me, you run a ship shape ship yard.  :smiley:
Couple Vospers in stash.  Never took detail look or checked fit.

Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #15 on: October 14, 2021, 05:28:17 AM »
Reasonably happy with the layout so far. The kit is pretty pedestrian by today's standards, however it did go together quite quickly for exactly that reason.
General Layout so far, still doing the umm and ahh on 4 vs 2 Torpedo tubes, so they have not been addressed yet to fix the seams and awful fit.
The real world late/post war Vospers with 6 Pounders dropped the tubes down to 2, but four looks hunkier, if very busy. I do have 2 x 21" tubes left over from the Fairmile build which might be an alternative option.
Ready ammo lockers still to be fitted as well

Ditched the Bandstand Oerlikon mount for the later and more efficient Powered mount. This is courtesy of Coastal Craft models and tricks out very nicely

More work on the 6 pounder mount, with Molin autoloader. A lot of the standard deck fittings were moved as the mount takes a bit of room, so shuffling of ventilators was required.


Nice shot of the old Sydney Harbour Hydrofoil Ferry. I reckon I will go for a layout like this. So next step, the hydrofoils.
« Last Edit: October 15, 2021, 05:11:35 AM by Buzzbomb »

Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #16 on: October 17, 2021, 12:46:35 PM »
Bit of tinkering with the Hydrofoil setup. Not too fussed about the engineering as I plan to put the vessel on a sea base to get the idea across.
I figured that although there are later setups, like the T Shape, this is a bit more old school and maybe contemporary of the period


« Last Edit: October 17, 2021, 12:49:57 PM by Buzzbomb »

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Re: WW2 era Hydrofoil - Name may change
« Reply #17 on: October 18, 2021, 01:37:21 AM »
And it makes a good stand for the model... ;)
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Re: WW2 era Hydrofoil - Name may change
« Reply #18 on: October 18, 2021, 08:43:28 PM »
Indeed, it looks the business so far.

Offline LemonJello

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Re: WW2 era Hydrofoil - Name may change
« Reply #19 on: October 18, 2021, 11:30:07 PM »
Looks fast just sitting on its foils...

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Re: WW2 era Hydrofoil - Name may change
« Reply #20 on: October 18, 2021, 11:46:06 PM »
It's coming along nicely - the 6 pounder and mount are a beauty.

Offline jcf

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Re: WW2 era Hydrofoil - Name may change
« Reply #21 on: October 21, 2021, 05:35:04 AM »
Looks good.  :smiley:

One note, on the 6-pdr equipped boats they removed the fwd. torpedo tubes for weight
and trim issues, and a lack of suitable targets.
 ;)

The German hydrofoils were primarily of the von Schertel surface-piercing V-type, Von Schertel
formed Supramar in Switzerland after the war and the V-type became the dominant type.
http://www.foerderverein-museums-schnellboot.de/s-boote/kriegsmarine/versuchsboote-km.htm

 
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Offline finsrin

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Re: WW2 era Hydrofoil - Name may change
« Reply #22 on: October 21, 2021, 06:56:00 AM »
Is looking great all over.  Super job on scratch built 6 pdr  :smiley:

Those WW2 style foils also look the part.

Offline Buzzbomb

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Re: WW2 era Hydrofoil - Name may change
« Reply #23 on: October 27, 2021, 01:23:43 PM »
Well down the track of the painting stage. Sort of keeping in RW zone as far as that goes.



Decided to bump the front Torpedo tubes after some hand wringing about torpedo launch + Hydrofoil proximity/Speed=Kaboom !
it all got too hard so went with the rear tubes anyway shorter, deeper Foils, improved launch distance,  stuff like that to rationalize them working.
Actually fits a bit more for the timeline as the RW Vospers with heavier armament did drop the front tubes, also as pointed out elsewhere, there was a lack of suitable targets.
Did add some Thornycroft (or approximation of same) Depth Charge Launchers, which would definitely clear the Hydrofoil zone.
AMS made me replace the radar antenna with wire
Base is in the shop and in drying time, waiting for the deck rail staunchions to dry off before fitting thread, rigging etc etc. Still a bit of a way to go

Offline finsrin

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Re: WW2 era Hydrofoil - Name may change
« Reply #24 on: October 27, 2021, 02:47:11 PM »
Bingo -- everything as it should be.  6 pounder mount is its own money shot.  Jon's suggested two torpedoes also a right move.  Aft guns, equipment details, paint scheme are  8)  :-*