It is my new project!
Minimnafactory trailer and Trumpeter tractor.
The trailer is a very beautiful, model which can be built easily. The tractor already problematic. (size mistake, imprecision, burr...)
Hi, Balázs
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M983 & M870A1 40t (double trailer)
Kampits
Joined: December 31, 2009
KitMaker: 10 posts
Armorama: 9 posts
Posted: Saturday, November 25, 2017 - 01:43 AM UTC
Hello guys!
It is my new project!
Minimnafactory trailer and Trumpeter tractor.
The trailer is a very beautiful, model which can be built easily. The tractor already problematic. (size mistake, imprecision, burr...)
Hi, Balázs
It is my new project!
Minimnafactory trailer and Trumpeter tractor.
The trailer is a very beautiful, model which can be built easily. The tractor already problematic. (size mistake, imprecision, burr...)
Hi, Balázs
Kampits
Joined: December 31, 2009
KitMaker: 10 posts
Armorama: 9 posts
Posted: Saturday, November 25, 2017 - 01:55 AM UTC
2. step
Vodnik
Joined: March 26, 2003
KitMaker: 4,342 posts
Armorama: 3,938 posts
Posted: Saturday, November 25, 2017 - 03:18 AM UTC
Trumpeter has announced this exact combination in plastic for next year... So apparently your sacrifice to modeling gods has already worked.
By the way, what "size mistake" you mean?
By the way, what "size mistake" you mean?
fhvn4d
#159
Joined: April 07, 2008
KitMaker: 803 posts
Armorama: 564 posts
Posted: Saturday, November 25, 2017 - 05:02 AM UTC
Lookin forward to seeing it !!! two SMALL observations... the 870A1 has a removable kingpin (I suspect the reason this resin version is not sitting flat on the ground at the head of the trailer). Other thing that might be easy to do is that on both sides where the trailer and the gooseneck articulate, there is a hole. That hole is for a fairly big pin that is chained to the side of the trailer right there. When you load the trailer (via the tractors winch), those pins are inserted so the trailer will not unfold while being transported. If you plan on having the trailer attached to a tractor it might be worth it to just pop a round disk with a brass handle on it to simulate the pin. If you plan on having the trailer and gooseneck on the ground, cut the kingpin off and drill a hole through there.
Sorry to be so techno, just a soft spot in my heart for this set up, its what we used to haul my D-7 in Afghanistan in 2014.
IMG_0532 by Brian Messier, on Flickr
Thats me standing UNDER the gooseneck portion (the part the kingpin attaches to the tractor).
Sorry to be so techno, just a soft spot in my heart for this set up, its what we used to haul my D-7 in Afghanistan in 2014.
IMG_0532 by Brian Messier, on FlickrThats me standing UNDER the gooseneck portion (the part the kingpin attaches to the tractor).
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Saturday, November 25, 2017 - 05:39 AM UTC
Love that trailer, may have to follow in your footsteps someday soon.
Question: Why the three identical photos of the trailer in your first post?
Would very much like to see more views of what looks like a great kit!
Question: Why the three identical photos of the trailer in your first post?
Would very much like to see more views of what looks like a great kit!
fhvn4d
#159
Joined: April 07, 2008
KitMaker: 803 posts
Armorama: 564 posts
Posted: Saturday, November 25, 2017 - 05:59 AM UTC
I hope Trumpy or someones coming out with an 80s version D-7 dozer to go on it....... !!!
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Saturday, November 25, 2017 - 08:00 AM UTC
Sir
A very nice used heavy equipment lot you got there!
A very nice used heavy equipment lot you got there!
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Saturday, November 25, 2017 - 12:07 PM UTC
Quoted Text
Trumpeter has announced this exact combination in plastic for next year... So apparently your sacrifice to modeling gods has already worked.
By the way, what "size mistake" you mean?
Yes - what size mistakes - as this tractor is supposed to the current state of the model maker's art?
Kampits
Joined: December 31, 2009
KitMaker: 10 posts
Armorama: 9 posts
Posted: Sunday, November 26, 2017 - 01:01 AM UTC
My problem...
1 cm shorter
1 cm shorter
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Sunday, November 26, 2017 - 02:05 AM UTC
Well the spline on that drive shaft telescopes so just pull it out to the length you need.
(Yes, just kidding)
(Yes, just kidding)
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Sunday, November 26, 2017 - 02:23 AM UTC
Sorry to say but: - You have either the differential of the #2 axle installed backwards or you have the entire front axle boggy assembled incorrectly. The gearhead on the #2 differential is supposed to be turned around the other way so it faces the transfer case . This would then call for a shorter driveshaft.
Here is a similar set-up on my Italeri HEMTT after I corrected the failings of that model.
Front axle assembly . . . . . . . . . . . . . . . . . . . . . . . . . Read axle assembly
The #2 and #3 differentials on the HEMTT are both what are known as "pass-through" differentials. The gearhead splits the driveline; part of the drive torque goes directly into the #2 differential and part goes through the gearhead, up and over the differential to connect to the next driveshaft and then on to the #1 axle. (The same arrangement works for the rear boggy as well.)
Here is a similar set-up on my Italeri HEMTT after I corrected the failings of that model.
Front axle assembly . . . . . . . . . . . . . . . . . . . . . . . . . Read axle assembly
The #2 and #3 differentials on the HEMTT are both what are known as "pass-through" differentials. The gearhead splits the driveline; part of the drive torque goes directly into the #2 differential and part goes through the gearhead, up and over the differential to connect to the next driveshaft and then on to the #1 axle. (The same arrangement works for the rear boggy as well.)
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Sunday, November 26, 2017 - 02:37 AM UTC
As you can see in this schematic all differential gearheads (4) face toward the center transfer case (3).
HeavyArty
Joined: May 16, 2002
KitMaker: 17,694 posts
Armorama: 13,742 posts
Posted: Sunday, November 26, 2017 - 04:30 AM UTC
Yup, you have the axles assembled incorrectly. I had no issues w/the drive shaft you show when I built the Trumpeter M983A2.
Also, another thing you may or may not be aware of, but the version used by Engineer units is the M983A2 LET (Light Equipment Transporter), which is different than a standard M983A2 Tractor as in the Trumpeter kit. The Trumpeter kit out of the box, is the version used as part of the Patriot ADA missile system.
The M983A2 LET has a winch in place of the spare tire, a different rear deck configuration, side ladder on the left hand side fuel tank, and a roller at the rear of the chassis.
Also, another thing you may or may not be aware of, but the version used by Engineer units is the M983A2 LET (Light Equipment Transporter), which is different than a standard M983A2 Tractor as in the Trumpeter kit. The Trumpeter kit out of the box, is the version used as part of the Patriot ADA missile system.
The M983A2 LET has a winch in place of the spare tire, a different rear deck configuration, side ladder on the left hand side fuel tank, and a roller at the rear of the chassis.
fhvn4d
#159
Joined: April 07, 2008
KitMaker: 803 posts
Armorama: 564 posts
Posted: Sunday, November 26, 2017 - 04:47 AM UTC
Quoted Text
Yup, you have the axles assembled incorrectly. I had no issues w/the drive shaft you show when I built the Trumpeter M983A2.
Also, another thing you may or may not be aware of, but the version used by Engineer units is the M983A2 LET (Light Equipment Transporter), which is different than a standard M983A2 Tractor as in the Trumpeter kit. The Trumpeter kit out of the box, is the version used as part of the Patriot ADA missile system.
The M983A2 LET has a winch in place of the spare tire, a different rear deck configuration, side ladder on the left hand side fuel tank, and a roller at the rear of the chassis.
Sir, is the A3 version also similar? I dont remember specifics I just remember that with the A3 trailer and the hydraulic gooseneck it was a PIA to drop or recover the trailer. The A2 wiht the 870A1 was so much easier. Pull 2 pins, unlock 5th wheel, connect winch to trainer and put winch in neutral, and drive away. Pull winch pin and kingpin and store in trailer head for recovery. To recover, replace kingpin and attach winch cable ( that already played out since you dropped it). put tractor in neutral, winch in rewind, and trailer drags up and onto 5th wheel. Place 2 locking pins, remove winch line... and off you go.... With the A3, it was much more difficult to get the gooseneck/trailer connection right, and if you blew the gooseneck lift cylinder, you were done. At least with the old school 870, you could use the load usually to lift the trailer head if you had to and then just back under it.....
HeavyArty
Joined: May 16, 2002
KitMaker: 17,694 posts
Armorama: 13,742 posts
Posted: Sunday, November 26, 2017 - 04:52 AM UTC
Quoted Text
Sir,is the A3 version also similar? I dont remember specifics I just remember that with the A3 trailer and the hydraulic gooseneck it was a PIA to drop or recover the trailer.
I can't really answer your question as I never worked on the actual equipment as an operator. I just saw them a lot and noted the visible differences for modeling purposes.
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Sunday, November 26, 2017 - 05:46 AM UTC
It would be extremely nice if Trumpeter would offer a correct LET version. As it is, sounds like there is a scratch/conversion in my future.
fhvn4d
#159
Joined: April 07, 2008
KitMaker: 803 posts
Armorama: 564 posts
Posted: Sunday, November 26, 2017 - 10:30 AM UTC
Quoted Text
It would be extremely nice if Trumpeter would offer a correct LET version. As it is, sounds like there is a scratch/conversion in my future.
The Up Armored cab would be nice too! ... '
1273488_10152399494576246_5678666807695709616_o by Brian Messier, on FlickrMY D-7 in my hole.... FOB Shank, 2014....
10557516_10152399492841246_2621474855630836279_o by Brian Messier, on Flickr165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Monday, November 27, 2017 - 12:18 AM UTC
Quick suggestion: If you make a base for this tractor/trailer combo just add a small "divot" in the ground to clear the trailer hitch pin when you want to pose the trailer as loading equipment. That way you don't have to castrate your trailer for other future uses.
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Monday, November 27, 2017 - 02:58 AM UTC
I am going to ask this question again:
Kampits why do you have the exact same photograph of the resin trailer showing three times in your opening post?
I would very much like to see more photos of this trailer. I am interested because I have already built the WWII equivalent* of this rig and now you have me considering a modern day version as well.
Best Regards
Mike K.
165thspc
* Converted HobbyBoss White 666 semi tractor, Scale-Link 20 ton resin flat bed trailer carrying the Mirror Models Cat D7.
Link to thread:
https://armorama.kitmaker.net/forums/236169&ord=1&page=12
Kampits why do you have the exact same photograph of the resin trailer showing three times in your opening post?
I would very much like to see more photos of this trailer. I am interested because I have already built the WWII equivalent* of this rig and now you have me considering a modern day version as well.
Best Regards
Mike K.
165thspc
* Converted HobbyBoss White 666 semi tractor, Scale-Link 20 ton resin flat bed trailer carrying the Mirror Models Cat D7.
Link to thread:
https://armorama.kitmaker.net/forums/236169&ord=1&page=12
165thspc
#521
Joined: April 13, 2011
KitMaker: 9,465 posts
Armorama: 8,695 posts
Posted: Monday, November 27, 2017 - 07:32 PM UTC
A link that might be of interest:
Chris Johnson's conversion creating the HEMTT LET - it looks excellent!
https://armorama.kitmaker.net/forums/255407&page=1#2235689
Chris Johnson's conversion creating the HEMTT LET - it looks excellent!
https://armorama.kitmaker.net/forums/255407&page=1#2235689
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