1/10 BT-7 light tank RC model

Fully 3D printable BT-7 tank in scale 1/10

Two optional turret designs: Mod. 1935 and mod. 1938

Two optional drive designs: Fast geared transmissions or high torque belt transmissions.

The BT-7 was the last of the BT series of Soviet cavalry tanks that were produced in large numbers between 1935 and 1940. It was lightly armoured, but reasonably well-armed for the time, and had much better mobility than other contemporary tank designs. The "BT" means "Bystrochodnyj tank" ("fast tank").

Lenght: 566mm

Width: 230mm

Height: 240mm

Weight: approx 3 kg

Detailed, full of functions and easy to build (print).

Working suspension.

Working turret traverse.

Working cannon lifting

Working cannon recoil

Adjustable track tension

Functional Headlights.

Most hatches are openable.

Printed tracks.

Printed transmissions.

Easy access to the transmissions for maintenance.

Tank can be equipped with various electronics and functions.

It is up to you how much you would like to use all the options.

Tank uses two separate transmissions for movement.

Contains everything what you need to print and build the tank:

STL files for every printed part, assembly guide and shopping list (screws, motors, servos....)

Shopping list:

Screw M3x10 – 116x

Screw M3x20 – 2x

Screw M3x25 – 10x

Socket set screw M3x4 – 2x

Screw M3x15 – 12x

Screw M2x8 – 64x

Motor 540 – 2x

Rubber band – 7x

Bearing 10x15x4 – 34x

Steel rod 2mm (e.g welding rod for autogenous welding) approx 5m - alternatively you can use pieces of filament

Brass tube 6x115mm or any other 6mm metal rod/tube

Brass tube 6x145 or any other 6mm metal rod/tube

Standard servo 360° (for turret turning) - 1x

Standard servo 180° or 360° (for cannon elevation) - 1x

Standard servo 180° (for cannon recoil) - 1x

Glue

For belt transmissions:

Bearing 15x21x4 – 4x

M3 nut – 2x

Belt 70XL 6,35mm – 6x

Whole model is designed for FDM printers only.

If you have any questions please do not hesitate to send me an email.

I have spent a lot of time developing this model.

Please, dont share this STLs, it will affect my next releases.

Thank you very much.

3D printing settings

Whole model is designed for FDM printers only.

Bed size: 220x200mm

Nozzle size: 0,4mm

Layer height: 0,2mm

Infill: 40%

Perimeters: 3

Material: PLA

Material for tracks: PETG

Material for wheel bandages: Flex, TPU (optional)

Most parts do not require supports. Parts that do need them have „support“ in the name.