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Streching truck chassis

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Hi all,

I just got back into model truck building after 12 years and recently finished building a KW100 and T900.



I've got plans to build a twin steer K100 after a few other projects and was wondering what the best way is to stretch the frame without fear of it breaking or twisting.

Thanks Cossett

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The best way is to scratchbuild your own frame rails or use C channel from Plastruct or Evergreen of the appropriate size.

When I splice a kit frame, I include an insert of brass or rigid plastic super glued (or epoxy) inside the frame rail. I try to run the insert

the entire length of the splice/additional rail if possible.

When I shorten a frame rail, I will also use an insert to strengthen the splice.

I used rigid plastic for this dual spliced rail.


I fill in the visible seam and sand smooth, then add bolt detail.


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Nice job!

What's the difference between a T900 & a W900 anyways?

The Kenworth T900 is typical of the "big rigs" that cruise across the

Australian Outback with 2 or 3 trailers in tow. The T900 is similar to its US

equivalent the W900 but has special features that allow it to operate better in

the harsh desert environment. These include special air filters, huge fuel

tanks for extended range, heavy duty air-conditioning, and "bull bars" which

protect the truck from collisions with wild animals. Trucks of this type are

powered by Caterpiller, Cummins or Detroit diesel engines of 350 - 500 hp.


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