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Author Topic: RAMs PBR 31 Mk.IIs  (Read 178856 times)

Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
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Re: RAMs PBR 31 Mk.IIs
« Reply #100 on: June 25, 2025, 03:00:22 PM »
Quote from: LemonJello on June 24, 2025, 09:31:59 PM
Quote from: Old Wombat on June 24, 2025, 03:34:54 PM
I though about that, but to fit the Jerry cans you have to modify the ammo can tray (basically cut out the bottom & back & fit the Jerry cans permanently). Then the only way to use the 100-rnd cans is to try to balance them on top of the Jerry cans, at an angle, to feed right - pretty precarious on a mount that can swing violently & erratically to change targets during an engagement.

Well dang. Guess you'll have to go with the 100rd boxes then. Unless...there's a way to replace the cut down jerry cans (a set of pins hold them in place, pull pins, swap cans?) then you'd have to have several sets of jerry can reloads near at hand?

I've found some 3D printed resin .50cal flexible feed chutes in the stash (& ordered some more - from these guys, Black Ops Models, out of Sydney).

After all, there's room under the turret for the old twin-.50 tub, which had two trays of about 1000rnds per gun & the space no longer occupied by the gunner. So my idea is 4 x trays of 1000(maybe 1200)rnds feeding the quad-.50 through flex-feed chutes coming up through the turret floor - at 600rpm that's about 2 minutes of continuous firing without the need to reload. :D
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Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
  • "Define 'interesting'?"
Re: RAMs PBR 31 Mk.IIs
« Reply #101 on: June 25, 2025, 03:02:21 PM »
Quote from: Frank3k on June 24, 2025, 11:13:30 PM
The guns look great! So do the instruments.

Thanks, Frank! :smiley:
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"This is the Captain. We have a little problem with our entry sequence, so we may experience some slight turbulence and, ah, explode."

Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
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Re: RAMs PBR 31 Mk.IIs
« Reply #102 on: June 25, 2025, 03:03:03 PM »
Quote from: Ramba on June 24, 2025, 11:46:27 PM
Thanks for the info. I do have some LR M240's and Legend makes some FN-MAG's/M240's as well which I have but LR is better quality and has better details. Great job as always and waiting to see the quads mounted on the bow.

 :smiley: :smiley:
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Offline apophenia

  • Perversely enjoys removing backgrounds.
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Re: RAMs PBR 31 Mk.IIs
« Reply #103 on: June 26, 2025, 05:00:31 AM »
Quote from: Buzzbomb on June 24, 2025, 08:29:22 PM
Like the Owen gun.. nice touch

Niiice ... I had totally missed that Owen gun! (I was fixated upon your open-breech M79!)  :smiley: :smiley:
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Offline Claymore

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Re: RAMs PBR 31 Mk.IIs
« Reply #104 on: June 26, 2025, 06:16:41 AM »
Great builds and awesome detailing.   :smiley:
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Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
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Re: RAMs PBR 31 Mk.IIs
« Reply #105 on: June 26, 2025, 09:42:13 AM »
Quote from: Claymore on June 26, 2025, 06:16:41 AM
Great builds and awesome detailing.   :smiley:

Says the King of Functioning Scratch-Built Detailing ..... I'll take that as high praise! :icon_alabanza: :icon_alabanza: :icon_alabanza: ;)
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"This is the Captain. We have a little problem with our entry sequence, so we may experience some slight turbulence and, ah, explode."

Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
  • "Define 'interesting'?"
Re: RAMs PBR 31 Mk.IIs
« Reply #106 on: August 18, 2025, 12:59:19 AM »
I think the 3D printed resin that the .50cal feed chutes are made of has beaten me ... For the moment.

It takes more effort than ordinary polymer resin to bend &, when it does, it can take two or three re-heats with it clamped into position before the bends hold.

Then woe-betide you if any heat gets near the bent area again, as it flicks straight back to being straight!  :o :o :o :o :o :o :o :o


So, tomorrow later today, I'm going to clean up the workspace, put the PBRs aside, & find something else to build, a plane, which fits into my vehicle/watercraft/aircraft cycle.
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Offline Jeffry Fontaine

  • Unaffiliated Independent Subversive...and the last person to go for a trip on a Mexicana dH Comet 4
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Re: RAMs PBR 31 Mk.IIs
« Reply #107 on: August 18, 2025, 06:45:59 AM »
Quote from: Old Wombat on August 18, 2025, 12:59:19 AM
I think the 3D printed resin that the .50cal feed chutes are made of has beaten me ... For the moment.

It takes more effort than ordinary polymer resin to bend &, when it does, it can take two or three re-heats with it clamped into position before the bends hold.

Then woe-betide you if any heat gets near the bent area again, as it flicks straight back to being straight!  :o :o :o :o :o :o :o :o


So, tomorrow later today, I'm going to clean up the workspace, put the PBRs aside, & find something else to build, a plane, which fits into my vehicle/watercraft/aircraft cycle.

Thanks for confirming my suspicions about the resin issues and difficulties encountered. 

I sought out an alternative in the form of 1/32nd scale ammunition feed chutes made from a rubbery material that was included in the large scale Trumpeter aircraft model kits like the P-47 Thunderbolt.  Not the perfect solution but definitely a better option than what you are dealing with. 
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Offline apophenia

  • Perversely enjoys removing backgrounds.
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Re: RAMs PBR 31 Mk.IIs
« Reply #108 on: August 19, 2025, 05:15:44 AM »
Quote from: Old Wombat on August 18, 2025, 12:59:19 AM
... Then woe-betide you if any heat gets near the bent area again, as it flicks straight back to being straight!  ...

Apparently, that sort of form-memory 'hysteresis' is really hard to design in to plastics. Unless you don't want it there, I guess?
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Offline FAAMAN

  • 'bin building for years ....... and it feels it!
  • Always thought of himself as a 'straight' modeller
Re: RAMs PBR 31 Mk.IIs
« Reply #109 on: February 22, 2026, 06:51:06 AM »
Wow Wombatus, two at once!!!  ;)

Watched your theme music for this build, very entertaining  8) 8)

As per the usual excellent application of your "detail eye" that's some great work there on show. The detailing is extra good and your finish on the boats is excellent. I can't believe you can get those rubbish SMS paints to work, well done!!

Nicely thought out WHIFFING there, mind you I do have a thought. . .
The thought. . . . , not second guessing, but interested wondering, would the quads be rather heavy for a boat of this size upsetting it's ride on the plane, top speed and manoeuvrability? I mean I wouldn't put a truck mount Vulcan there either but what about a pair of Miniguns on a common mount with a huge ammo supply? I know a 7.62mm Minigun wouldn't have the penetrative power of a .50Cal to shoot through obstacles (like the bush) but weight of fire counts.

Ignoring my "thought intrusion" though, keep up the amazing builds Wombat as I know they'll be worth viewing the final product.

Regards, FAA  8) 8)
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Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
  • "Define 'interesting'?"
Re: RAMs PBR 31 Mk.IIs
« Reply #110 on: July 15, 2026, 10:33:27 PM »
Well, didn't have to look far to find this!  ;D

Doing some work on the boats, hopefully I'll get them finished - but no promises!  ;)
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Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
  • "Define 'interesting'?"
Re: RAMs PBR 31 Mk.IIs
« Reply #111 on: Yesterday at 07:31:16 PM »
PROGRESS!!  ;D  ;D







However, it has been a long & painful process getting just this far, & the results are a long way from perfect.  ::)

Still, considering almost every gun came off at least once whilst trying to fit the feed chutes & most of the feed chutes had to be re-done at least once, I'm satisfied with the finished product - It'll do!  :o  :o  :smiley:


PS: Oh, and of the eight cocking handles that were on the .50cal's, there's only one left. I have to replace the rest.
« Last Edit: Yesterday at 07:34:54 PM by Old Wombat »
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Offline Frank3k

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Re: RAMs PBR 31 Mk.IIs
« Reply #112 on: Today at 01:45:26 AM »
They look great! I wouldn't mind too much about the cocking handles; they can be added "in post" as the last step. If they've vanished into another dimension, thin styrene rod should do.
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Offline apophenia

  • Perversely enjoys removing backgrounds.
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Re: RAMs PBR 31 Mk.IIs
« Reply #113 on: Today at 05:17:22 AM »
Oooo, those look the business! Lovely job of weathering/rusting/scabbing those mounting plates  :smiley:

Quote from: Frank3k on Today at 01:45:26 AM
... they can be added "in post" as the last step...

 ;D  Love it!  It is not a last minute tidy-up, its 'post-production' work  8)
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Offline Buzzbomb

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Re: RAMs PBR 31 Mk.IIs
« Reply #114 on: Today at 07:23:06 AM »
Just look so tough with the quads up front  :smiley:
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Offline Old Wombat

  • "We'll see when I've finished whether I'm showing off or simply embarrassing myself."
  • "Define 'interesting'?"
Re: RAMs PBR 31 Mk.IIs
« Reply #115 on: Today at 01:45:12 PM »
Thank you very much, gentlemen!  :icon_alabanza:  :icon_alabanza:  :icon_alabanza:

@Frank: The handles aren't a problem, just an annoyance.  ::)


I have all four of my Vietnam-era RAM SBS boats on the desk while I'm working on the 2 PBRs + 1 SpORT boat & a quick summary of their combined firepower is a little scary!  :o

2 x 40mm automatic cannon
2 x 40mm automatic grenade launchers
1 x 20mm Vulcan cannon
10 x .50 cal machine guns
8 x 7.62mm L7 GPMGs
plus individual weapons (L1A1s, M16s, M79s, Owen guns, pistols)

You could take on a small army with that lot!*  :icon_surprised:  ;D




[*: Well, for a few minutes, anyway.  ;)  ]
« Last Edit: Today at 01:48:07 PM by Old Wombat »
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