The Sunset GP shell is made up of several pieces. The frame platform and
hand rails are one piece, the cab is another , the hoods are another, there are
2 flat can Canon motors inside the hood. One at each end
Take it all apart, solder everything together as one piece, cut out the
metal floor between the hood sides, make a new frame for the AM drive
components. Hook every thing up but be careful which motor you use! Sunset used
the flat can Canons so they would not touch the insides of the brass shell.
The better way is to acquire a River Raisin re drive unit to rob of all the
parts you need. You will still have to do all the work to the Sunset shell
components and then make your own attachment for the Sunset side frames to the
River Raisin gear boxes, etc, etc.
If you don't have the Sunset GP and/or the re-drive unit it shouldn't cost
you more than $500 to get the parts and I know some one who might do the work,
including painting the model for $750- $1000. That some one is not me. I don't
do diesels.
The Sunsets did not come with chain drives, they came with rubber belt
drives and as they warmed up they would jump the cogs and run terrible. Some
modelers converted them to the Grandt chain drive system and installed
tensioners for the drive chains at each truck. I made a better running model.
If you do that system I would suggest that you separate the 2 gear boxes
on each truck. The Sunset came with a solid shaft between the gear boxes at
each truck. Ajin at least separated the shafts on their diesels and came up
with a nifty system to transmit power from one gear box to the other. (Mating
half shafts inside a tube)
Should you do any of this I'll send you my address so you have a place to
throw those crappy little dinky motors away. They have Neodymium in them and
that stuff just has to be bad to have around.
Rusty,
Rustermier
>
--- In [email protected], "JaniceM" wrote:
>
> My ignorance of this question far outstrips my knowledge of the subject, so I
> am turning to the list to help me out.
>
> I understand the Sunset GP-7's mechanism leaves a lot to be desired. Also,
> I've heard that changing the chain driven mechanism is not all that easy. I
> was wondering if the Sunset shell could simply be attached, probably with
> some modifications, to the AM GP-9 chassis.
>
> Has anyone tried this? or does anyone have experience why this should not be
> attempted?
>
> As always, thank you for your help, George (Marcopulos)
>
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