Author Topic: J-27 Ordinance Transport, Trailer, and Towed Thumper  (Read 4048 times)

GOTHIK

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J-27 Ordinance Transport, Trailer, and Towed Thumper
« on: 18 September 2016, 15:26:00 »
RS 3039U has record sheets for the J-27 Ordinance Transport and the Trailer, but not for the Towed Thumper that is a part of the IWM miniature (http://ironwindmetals.com/store/product_info.php?products_id=1843).

Has anyone created a record sheet for the towed Thumper artillery piece?

Thanks!

truetanker

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #1 on: 18 September 2016, 18:16:31 »
I have, but that was waaaay back when.

Basic rundown was 20 ton Wheeled combat vehicle:

15 for the Thumper, front mount.
1 for Ammo, body
2 for Chassis
1.5 for ICE Generator
.5 for Armor ( 8 points 2, 2/2, 2 )

This gave me the ability to suck up some MG fire, a single SRM and still be able to fire. Think of a 4x4 Gun Chassis with the Thumper center lined.

TT

Some akin to this:
« Last Edit: 18 September 2016, 18:26:42 by truetanker »
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Daryk

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #2 on: 18 September 2016, 18:59:53 »
Are you sure that wasn't 1 ton for the engine and .5 a ton for control equipment?  I suspect your design had 2/3 speed...

worktroll

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #3 on: 18 September 2016, 19:08:41 »
Always nice to see that armoured car family ... love the look. And always felt the Chevalier was riffing on those genes ;)

Wouldn't it be simpler to make it a trailer?
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truetanker

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #4 on: 18 September 2016, 20:55:37 »
Yeah, like I said it was years ago when I made this.

Back when Vol.5 Vehicle RS came out.

TT
Khan, Clan Iron Dolphin
Azeroth Pocketverse
That is, if true tanker doesn't beat me to it. He makes truly evil units.Col.Hengist on 31 May 2013
TT, we know you are the master of nasty  O0 ~ Fletch on 22 June 2013
If I'm attacking you, conventional wisom says to bring 3x your force.  I want extra insurance, so I'll bring 4 for every 1 of what you have :D ~ Tai Dai Cultist on 21 April 2016
Me: Would you rather fight my Epithymía Thanátou from the Whispers of Blake?
Nav_Alpha: That THING... that is horrid
~ Nav_Alpha on 10 October 2016

GOTHIK

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #5 on: 18 September 2016, 21:10:29 »
Cool suggestion.  and I love the example picture.
I'm looking simply for the towed artillery piece.  I'll give it a shot with Heavy Metal Vee.

GOTHIK

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #6 on: 18 September 2016, 21:33:17 »
So thanks to PhoenixStorm, I found a record sheet!

RS 3145U p. 18

But I still have another question or two:
So let's say I pull the thumper gun with the J-27 into the hex I want to set it up in ... how many turns does it take to (a) detach it before the J-27 can move somewhere else, and (b) how many turns does it take to set the gun up before it can start firing?  Also, (c) how many troops have to "man" or "crew" the thumper?

truetanker

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #7 on: 18 September 2016, 22:06:29 »
Tactical Operations, p. 311

http://www.sarna.net/wiki/Field_Artillery

Also p. 179 - 186 TO, talks about Artillery.

TT
Khan, Clan Iron Dolphin
Azeroth Pocketverse
That is, if true tanker doesn't beat me to it. He makes truly evil units.Col.Hengist on 31 May 2013
TT, we know you are the master of nasty  O0 ~ Fletch on 22 June 2013
If I'm attacking you, conventional wisom says to bring 3x your force.  I want extra insurance, so I'll bring 4 for every 1 of what you have :D ~ Tai Dai Cultist on 21 April 2016
Me: Would you rather fight my Epithymía Thanátou from the Whispers of Blake?
Nav_Alpha: That THING... that is horrid
~ Nav_Alpha on 10 October 2016

Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #8 on: 19 May 2017, 10:40:57 »
The big problem I have with using the trailer from 3145 is that it's not backwards compatible with 3025 games due to the hardened armor. So, for me, stats for the towed Thumper trailer used by the J-27 STILL don't exist.

Of course, like others, I just made my own.

Quote
Type/Model:    J-27 Towed Thumper Trailer
Mass:          20 tons

Equipment:                                 Items    Mass
Int. Struct.:  8 pts Standard                0      2.00
Engine:        None                          0       .00
    Cruise MP: None. BV based on 0 MP
Heat Sinks:      0 Single                    0       .00
Crew: 2 Members                              0       .00
Armor Factor:   48 pts Standard              0      3.00

                          Internal    Armor
                          Structure   Value
   Front:                     2         12
   Left / Right Sides:        2      12/12
   Rear:                      2         12

Weapons and Equipment    Loc  Heat  Ammo   Items    Mass
--------------------------------------------------------
1 Thumper Artillery      Front    0          1     15.00
1 Trailer Hitch          Front               1       .00
1 Trailer Hitch          Rear                1       .00
--------------------------------------------------------
TOTALS:                           0          3     20.00
Items & Tons Left:                           6       .00

Calculated Factors:
Total Cost:        261,250 C-Bills
Battle Value:      54
Cost per BV:       4,837.96
Weapon Value:      23 / 23 (Ratio = .43 / .43)
Damage Factors:    SRDmg = 5;  MRDmg = 5;  LRDmg = 5
BattleForce2:      MP: 0J,  Armor/Structure: 0 / 2
                   Damage PB/M/L: -/-/-,  Overheat: 0
                   Class: GL;  Point Value: 1
                   Specials: artT, mof

Since it has no ammo of it's own, it has to be hitched to either the J-27 or the ammo trailer for it to be effective. But, hey that what it's part of.

Sarna says Field Artillery is now used by Mechanized Infantry? I thought it was used by Motorized Infantry.
« Last Edit: 19 May 2017, 10:54:58 by Wraithcannon »
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gomiville

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #9 on: 19 May 2017, 17:01:11 »
Sarna says Field Artillery is now used by Mechanized Infantry? I thought it was used by Motorized Infantry.
Motorized, or wheeled or tracked mechanized (p311, TacOps).

Also, I'm pretty sure trailers need a "generator" to fire weapons while unhooked, even a 10-class engine.  And transferring ammo from vehicle to vehicle is slow going, in combat terms.  So, maybe put aside a little mass for a generator and at least a ton of ammo.  It won't have as much armor, but it shouldn't be engaging in direct combat anyway.  And if it is attacked, it's a towed gun.  It's not meant to repel tank-level guns (like an AC/10).

Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #10 on: 19 May 2017, 23:43:28 »
Okay, the first version was meant to operate only when hooked up to a J-27 and possibly it's ammo trailer. So it didn't need an engine or internal ammo, since I'm pretty sure vehicle linked by a trailer hitch can share ammo (Like the Mobile Long Tom and it's attendant ammo carriage).

But here is one that is made to operate independently.

Quote
Type/Model:    J-27 Towed Thumper Trailer
Mass:          20 tons

Equipment:                                 Items    Mass
Int. Struct.:  8 pts Standard                0      2.00
Engine:        None                          0       .00
    Cruise MP: None. BV based on 0 MP
Heat Sinks:      0 Single                    0       .00
Crew: 2 Members                              0       .00
Armor Factor:   16 pts Standard              0      1.00

                          Internal    Armor
                          Structure   Value
   Front:                     2          4
   Left / Right Sides:        2        4/4
   Rear:                      2          4

Weapons and Equipment    Loc  Heat  Ammo   Items    Mass
--------------------------------------------------------
1 Thumper Artillery      Front    0   20     2     16.00
1 Trailer Hitch          Front               1       .00
1 Trailer Hitch          Rear                1       .00
10 Rating I.C.E Engine   Body                1      1.00
--------------------------------------------------------
TOTALS:                           0          5     20.00
Items & Tons Left:                           4       .00

Calculated Factors:
Total Cost:        244,200 C-Bills
Battle Value:      33
Cost per BV:       7,400.0
Weapon Value:      9 / 9 (Ratio = .27 / .27)
Damage Factors:    SRDmg = 5;  MRDmg = 5;  LRDmg = 5
BattleForce2:      MP: 0J,  Armor/Structure: 0 / 1
                   Damage PB/M/L: -/-/1,  Overheat: 0
                   Class: GL;  Point Value: 0
                   Specials: artT, mof
« Last Edit: 19 May 2017, 23:46:30 by Wraithcannon »
Whomever said violence isn't a solution obviously wasn't using enough.

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Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #11 on: 19 May 2017, 23:48:13 »
.
« Last Edit: 20 May 2017, 16:43:26 by Wraithcannon »
Whomever said violence isn't a solution obviously wasn't using enough.

Planning an operation against the Capellans? Hey, who wouldn't? - Sulla

gomiville

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #12 on: 20 May 2017, 09:47:51 »
...since I'm pretty sure vehicle linked by a trailer hitch can share ammo (Like the Mobile Long Tom and it's attendant ammo carriage).
Technically, the Mobile Long Tom breaks the rules.  It's a known issue, leading to this errata:

http://bg.battletech.com/forums/index.php/topic,3797.msg799558.html#msg799558

Which follows from this rules question:

http://bg.battletech.com/forums/index.php?topic=33589.msg782314

I don't think there have been any changes to that rule since then.

Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #13 on: 21 May 2017, 15:41:53 »
Interesting. So the now the communications gear on the Mobile Long Tom is split between trailers. I hope that means that they can share the equipment between them and get the bonus for having 7 tons when hitched together...
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Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #14 on: 21 May 2017, 15:51:57 »
Ok, so reading the Techmanual more, it looks like I'm going to need to add Control equipment to that towed Thumper if I plan on having it operate unhitched while firing the cannon. The problem is then it ceases to even be a trailer. With a one ton, 20 rating engine and cockpit, it becomes it's own vehicle with a 1/2 move.

But, can you get around that by having it hooked up to another trailer with an engine, say the 10 ton J-27 Ammo trailer?

If you get the ammo trailer, put a 1 ton, 10 rating engine on it as cargo, then hitch it to the towed thumper, would that bypass the need to install control equipment on either?

The Ammo trailer isn't operating the heavy equipment, so no control equipment is technically needed, and the towed Thumper is hooked up to a unit with an engine, no control equipment is technically needed there either.

Or does having an engine absolutely require the unit with it installs control equipment?
« Last Edit: 21 May 2017, 23:26:46 by Wraithcannon »
Whomever said violence isn't a solution obviously wasn't using enough.

Planning an operation against the Capellans? Hey, who wouldn't? - Sulla

Wraithcannon

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Re: J-27 Ordinance Transport, Trailer, and Towed Thumper
« Reply #15 on: 21 May 2017, 23:57:36 »
Ok, so it looks like not. Because the Support trailer for the Mobile Long Tom listed in the errata thread that was posted earlier has a 10 rating engine, but no control equipment.

So; Final form for the J-27 Towed Thumper Trailer is the last one I listed.


Whomever said violence isn't a solution obviously wasn't using enough.

Planning an operation against the Capellans? Hey, who wouldn't? - Sulla

 

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