Tamiya Vanquish Project

   

The 58086 Vanquish came out at the end of 1988 only about 9 months after the original Avante on a derivative chassis.  It seems impossible that it was a redesign effort accomplished in that amount of time, so I have to assume it was planned from the beginning.  The Vanquish inherited the Avante drivetrain almost unaltered, but replaced the complex, multi-part metallic suspension with one using plastic parts of the same overall geometry.  Gone was the dual deck FRP chassis, replaced with a single part plastic bathtub.  The glorious gold metal shock bodies were replaced with yellow plastic CVAs.  The complicated "cam-loc" wheels were replaced with single part, directional, tear drop slotted wheels.  Larger and stronger front and rear bumpers were used.  The unique "breakaway" front suspension mount intended to protect the chassis from impacts was gone.  Most of these things could be considered simplifications and/or downgrades, but there were performance improvements as well.  A 15mm wheelbase stretch made the car more stable, the wide front tires were replaced with thinner varieties with the same round spiked tread pattern, and the front shocks were mounted at a much shallower angle for more travel and strength.  This was almost a complete win allowing a buyer to acquire an Avante chassis for far less money (24000¥ vs 34800¥ originally).  Whether the Vanquish could be considered a poor man's Avante or an improved chassis is somewhat a matter of debate.  Unfortunately the Achilles heel was part G11, a plastic brace on the rear of the chassis that supported the upper suspension arms and the shock tower.  This part was made from ABS and was over stressed and fragile, especially over time.  Since this was the only car to ever use that part, replacing it over the years has become increasingly difficult.  The weak cast front uprights from the Avante were re-used in a slightly strengthened geometry that was also used on later production runs of the Avante.  With these two flaws, running the Vanquish hard was always a risk.

In 2020 this model was re-released as the 58686 VQS.  It's interesting that it took Tamiya 9 years after the much more complex Avante had been re-released to get around to the simpler Vanquish.  As for the name, I assume that since "Vanquish" is now copyrighted by Aston Martin the name had to be updated.  For the most part, this model is faithful to the original.  Like the Avante, the fragile cast front hubs have been replaced with gold machined versions.  The G11 part hasn't exactly been "fixed" (the geometry is exactly the same), but the material has been changed from ABS to PC.  Time will tell if this solves the problem.  At the very least, it means that spares are now available for those intending to restore an original Vanquish.  Like the Avante 2011, the plastic rear uprights are also strengthened compared to the originals.

Just how different is the Vanquish than the Avante, how many parts were new, and how many were re-used from other models?  Based on the parts trees in the VQS kit, I've explored those questions below.  As you can see, the Vanquish made a lot of changes and introduced a lot of new parts.  These will be discussed in detail in my build journal.
I actually had an original Vanquish in pretty good condition that I intended to completely restore, but unfortunately it was lost in the 2022 fire before I got around to working on it.  I got the VQS to replace it.  While this doesn't have the same value and pedigree as the original, now I can actually drive it without worrying about destroying that G11 part or the uprights.  And make no mistake, it is fun to drive.  It is quick and nimble, and so far plenty durable.  Best of all, it looks great in my display showcasing the entire Avante family tree.


Page 1: Assembly


Page 2: Final Photos

Description
Manufacturer
Model #
VQS (2020)1/10 Scale R/C High
Performance 4WD Off Road Racer Kit
Tamiya
58686
Sport Tuned 23T 540 Brushed MotorTamiya
53068
21 Tooth 0.6 Mod Steel Pinion
Robinson Racing
1121
TBLE-04s Sensored Brushless
Electronic Speed Control
Tamiya
45069
2 Channel 2.4 GHz DSMR Receiver
Spektrum
SR215
Budget Metal Gear Steering Servo
Savox
B-08KG
PS-5 Black Paint
Tamiya 86005

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