R/C Tank Combat

Tank Destroyer #T010

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This bottom view of the hull shows the two longitudinal 3/4 inch by 3/4 inch square aluminum tubes, the additional 1/2 inch DIA cross brace between axles 1 and 2, and 1/8 inch thick aluminum bottom plate.

The Hetzer's camo paint job was inspired by the full-size reconstructed Hetzer at the Virginia Museum of Military Vehicles. Latex house paint was custom mixed to match the German color scheme for August 1944. Front and rear fenders were also added.
 

 
This rear quarter view shows the rear fenders and the safety cutoff switch for the battery.

This is the business end of the Hetzer. A wooden sauskopf was turned on a lathe from pine to help protect the gun opening in the mantlet housing. The sauskopf is press fit onto the gun barrel. A driver's periscope was added to protect an internal video camera. The Hetzer earned three barrel rings for solo kills during the Battle for Middle Maryland.
 

 
The front glacis, top access panel and rear armor plate were removed for this direct overhead view to show placement of the gun, CO2 bottle, wireless remote video camera, R/C receiver and solid state relay (SSR) mixer.

The magazine is a simple articulated tray made from a small steel box. It is attached to the top of the gun using two socket head cap screws on either side of the internal wedges. A special plexiglass box was constructed to hold the 9 ounce CO2 bottle. The bottle is connected to the gun with a quick release fitting and microline tubing.
 

 
An X-10 remote video camera was bolted directly to the wall of the inner hull behind the driver's periscope. Although this camera worked well during field trials, it did not survive the ROUGH terrain at the Battle in the Badlands.

As the gun is elevated or depessed, the articulated tray magazine pivots up and down where it is attached to the gun. The aft end of the magazine is held at a fixed height by a simple wood dowel cross brace. The dowel can be removed quickly for access to the gun bolt.
 

 
This rear view provides more detail on the articulated tray magazine. It also shows a pink cord below the trigger servo wires that can be used to fire the gun manually.

Eight solid state relays (SSR) were mounted to a plexiglass sheet that is carried directly over the aft battery. A second smaller sheet was piggybacked on top of the lower to hold the R/C receiver, the Anvilus SSR mixer and 4 C batteries to power the servos, receiver and mixer. The Anvilus R/C mixer uses a Basic Atom microcontroller to provide right-left track mixing with variable speed control.
 

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