rnagle
CDL Student Driver
Posts: 564
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Post by rnagle on Jan 29, 2014 21:37:48 GMT -5
This is a project that was started quite some time ago and has been on again/off again with a lot more "off" than "on". While I am not a big "New Year's resolution" person it did seem a good idea to start finishing up some ongoing projects before starting too many new ones. (That theory doesn't apply to kit purchases of course!) Using the AMT General kit as a starting point to replicate #9077. Was told they were Cummins powered, from photo determined drive axle spread was 60" and it had the shorter (108") BBC hood: Kit frame rails shortened, holes filled, filed smooth. Front axle made steerable. "Nose job" to shorten BBC required relocation of cab mounts and hood/fender rework. 6 spoke wheels up front from parts box (pretty sure they are from AMT Mack R kits), drives are from Road Boss kit. Drive tires smaller than steer tires to match photo: Shoehorn job fitting Cummins engine, still have to close up firewall/doghouse area: Square fuel tank from Titan/90 kit with step cutout added. Tank straps from styrene channel and strip. Still have to add step treads, fuel lines and fuel gauge wiring: Plaskit's 60" Hendrickson suspension used with AMT Kenworth axles. I like using those axles with Plaskit's suspension as the separate attachment brackets are easy to drill and pin to ends of walking beams. Brake backing plates & slack adjusters from Kenworth kit used with Plaskit brake chambers. Fastener detail added to frame using Tichy Train Group detail parts. Still plenty of work to do in this area yet including track rods and fifth wheel mount:
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enyawnow
Local Delivery Truck Driver
Posts: 56
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Post by enyawnow on Jan 29, 2014 23:12:43 GMT -5
Nicely done !!!
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Deleted
Deleted Member
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Post by Deleted on Jan 30, 2014 8:21:48 GMT -5
Nice looking short hood General.
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rnagle
CDL Student Driver
Posts: 564
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Post by rnagle on Feb 1, 2014 19:17:29 GMT -5
Thanks Jim, one modification to kit due to AMT's "promo" model design is filling in open area around bottom of cab due to tapered shape of interior "tub". .015 styrene cut & fit to slip inside of cab cemented to interior tub. Doghouse area also modified with larger opening to fit Cummins engine. Inside of cab .030 quarter round was cemented below windows and along cab back wall to provide a stop to locate cab on interior tub: Showing underside of cab floor. Pins fit to holes drilled in forward cab mounts. Still needs some putty and final finish work: Fifth wheel modified from kit's slider unit to fixed installation. .030 x .250 styrene strip used to build up fifth wheel mounting place, 5/32" angle used on frame. Didn't realize how many bolts hold a real truck together until I started trying to replicate them in 1/25!
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Post by ultraliner9 on Feb 1, 2014 21:45:05 GMT -5
Keep up the good work.
John
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Deleted
Deleted Member
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Post by Deleted on Feb 2, 2014 9:06:35 GMT -5
Looks good. That's a lot of bolts!
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Post by gatormarcstaug on Feb 2, 2014 17:15:41 GMT -5
Robert, You continue to amaze me with your work and attention to detail! I remember reading about how to open the doors on the AMT truck kits and how to make the filler panel for the door and the bottom of the cab. But I had never tried it. And now you take that floor panel a step farther.Oh and the nuts and bolts !! :-))
Be Well Gator
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rnagle
CDL Student Driver
Posts: 564
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Post by rnagle on Feb 2, 2014 22:42:23 GMT -5
Surprise - kit air cleaner is a little different from the 1:1 truck! OK, not drastically different, main thing is cap is a different profile. 1:1 truck's is deeper and more cylindrical than kit's shallow cap with domed centre. Mack R air cleaner cap with ridge filed off outside edge is a close enough match, shown here beside kit cap for comparison. Molded on straps sanded off for replacement with styrene strip, row of small hex fasteners around top of canister replicated with Plastruct .030 styrene hex rod. Tool made from piece of parts runner & .040 square styrene strip used to set each fastener to same height.
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Deleted
Deleted Member
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Post by Deleted on Feb 3, 2014 8:11:24 GMT -5
Wow!
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Post by thebrush56 on Feb 3, 2014 15:25:28 GMT -5
I must say i prefer Generals/Bison without the sleeper, This looks like another great build in progress from your bench. Graham.
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rnagle
CDL Student Driver
Posts: 564
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Post by rnagle on Feb 4, 2014 22:00:15 GMT -5
Thanks Graham, you're right, these tractors do seem to look best as shorter wheelbase daycabs. They have a plain, "no nonsense" work truck look to them. Changed the front wheels, was pointed out ones I had used looked a bit shallow compared to 1:1, found the ones in Revell Germany's Australian Kenworth a better match. Brake drum from General kit was turned down & sanded shallower to fit, kit oil hub replaced with resin part from Plaskit. It is intended for trailer use, oil hub portion was cut off & attached to wheel: Cab mount area with some of the lines added as next step is attaching interior tub to frame: Representation of brake valve and lines added to interior tub underside: In place, cab slips over tub so it can be attached after painting. As best I can tell from (limited) Carling General photos there was no Luberfiner on cab so notches cast into cab filled with styrene strip, also mirror mount holes plugged as replacement mirrors will be scratchbuilt. Air lines and 1/16" brass rod from shift tower to cab give underside similar "busy" look to 1:1 scale trucks:
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Deleted
Deleted Member
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Post by Deleted on Feb 5, 2014 8:02:20 GMT -5
Nice detailing.
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rnagle
CDL Student Driver
Posts: 564
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Post by rnagle on Feb 6, 2014 22:38:11 GMT -5
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Deleted
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Post by Deleted on Feb 6, 2014 23:33:28 GMT -5
I like the corrections you've made to the cab.
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groundhog
Local Delivery Truck Driver
Posts: 287
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Post by groundhog on Feb 7, 2014 13:21:15 GMT -5
AWESOME JOB SO FAR! groundhog.
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