Gear Boxes, Pulleys, and Sprockets


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Six Speed High Efficiency Gear Box High Efficiency Worm Gear Box High Power, High Efficiency Gear Box

Six Speed High Efficiency Gear Box

For very experienced model builders.
This precision 6-Speed Gear Box, High Efficiency, is a compact unit with a variety of gear ratio options to choose from. Several crank arms and a RE-260 motor are included. Perfect for many Tamiya Construction and Robotics projects. Gearbox can be assembled for six different gear ratio. Select one according to application before assembling. Gear ratio can be altered from 11.6:1 to 1300.9:1 by gear combinations. 3 volt RE-260 motor included. Gear types include 8T, 36/14T, and a clutch. Gear box accepts 140 or 260 motor types. Other parts include a crossed horn and output shaft. Use cam for vertical movement or change to rectilinear movement. Grease included for lubrication, plus a hex wrench and small phillips screws. Pictorial instructions included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision Motor: RE-260 . Motor Specs: Operation Voltage: 3.0V. On-Load Speed: 10,500 RPM. Stall Torque: 15 gcm. Current: 1.0A

TAMX7205 - $20.00



High Efficiency Worm Gear Box

For very experienced model builders.
With the Worm Gear Box, High Efficiency, it is possible to have high power or high speed with two different gear ratios. Several crank arms have been supplied along with a RE-260 motor. This gear box works well in a variety of Tamiya Construction or Robotics projects. Can produce extremely low speeds of rotation and is used for gear reduction. Allows 2 gear ratios, 216.1:1 and 336.1:1 to be selected. Gear case is injection molded and gears are polyacetal resin for reducing mechanical noise. Accepts 140 or 260 type motors. Included motor operates on 3-4.5 volts. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision Motor: RE-260 . Motor Specs: Operation Voltage: 3.0V. On-Load Speed: 10,500 RPM. Stall Torque: 15 gcm. Current: 1.0A

TAMX7204 - $16.50



High Power, High Efficiency Gear Box

For very experienced model builders.
The High Power Gear Box, High Efficiency, works well when extra torque is necessary. Two gear ratios are possible, and a RE-260 motor is included. Several types of crank arms are included for extra flexibility in design. Designed for high torque output rather than speed. Suitable for constructing models such as tanks, buggies, tracked vehicles, and so on. Allows 2 gear ratios, 41.7:1 and 64.8:1 to be selected. Gear case is injection molded and gears are polyacetal resin for reducing mechanical noise. Accepts 140 or 260 type motors. Included motor operates on 3-4.5 volts. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision Motor: RE-260 . Motor Specs: Operation Voltage: 3.0V. On-Load Speed: 10,500 RPM. Stall Torque: 15 gcm. Current: 1.0A

TAMX7203 - $16.50




High Speed, High Power Gear Box Planetary Gear Box Pulley Pack(Large)

High Speed, High Power Gear Box

For very experienced model builders.
The High Speed Gear Box, High Efficiency, is perfect for high speed applications. Two gear ratios are possible, and several styles of crank arms are supplied for a variety of uses. A RE-260 motor is included. The gear box can be mounted vertically or horizontally. Versatile and easy to construct gear box broadens the world of handicrafts. Allows 2 gear ratios, 11.6:1 and 18:1 to be selected. Polyacetal resin gears permit efficient power transmission with less mechanical noise than metal gears. Accepts 140 or 260 type motors. Included motor operates on 3-4.5 volts. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision Motor: RE-260 . Motor Specs: Operation Voltage: 3.0V. On-Load Speed: 10,500 RPM. Stall Torque: 15 gcm. Current: 1.0A

TAMX7202 - $16.50



Planetary Gear Box

For very experienced model builders.
Getting its name from the way the gears rotate like the planets around the sun, the Planetary Gear Box is a precise, highquality gearbox with a RE-260 motor built into the gear box itself to add to its compactness. A wide range of gear ratios can be attained, and two kinds of crank arms are supplied for a wider range of functions. A highly versatile system for reduction of high RPM electric motors to high-torque low RPM applications. Often used in precision instruments because of the reliability and accuracy of the unit. The RC-260 motor included in this set utilizes carbon brushes for long motor life. RC-260 motor operates on 3 volts. Combining the gearboxes in various ways enables 8 different gear ratios (4:1, 5:1, 16:1, 20:1, 25:1, 80:1, 100:1, 400:1). At a gear ration of 400:1 and voltage of 3V, the gearbox produces a torque of about 15 kg. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision. Motor: RE-260 . Motor Specs: Operation Voltage: 3.0V. On-Load Speed: 10,500 RPM. Stall Torque: 15 gcm. Current: 1.0A

TAMX7201 - $23.95



Pulley Pack(Large)

Suitable for Ages 10 and Older
The Large Pulley Pack includes similar components as the Small Pulley Pack but with larger pulleys. Pulley sizes included are 11mm, 25mm, and 50mm. Also included in the set are screws, bushings, and several power bands.
REQUIRES: Assembly. Small Phillips Screwdriver. Modeling Knife. Long Nose Pliers.

TAMX7141 - $6.95




Pulley Pack (Small) Pulley Wheel Set 4 Speed Crank Axle Gear Box

Pulley Pack (Small)

Suitable for Ages 10 and Older
Included in the Small Pulley Pack are a variety of small pulleys and power bands. Pulley sizes included are 11mm, 20mm, and 30mm. Also included in the set are screws, bushings, and several power bands.
REQUIRES: Assembly. Small Phillips Screwdriver. Modeling Knife. Long Nose Pliers.

TAMX7140 - $6.95



Pulley Wheel Set

Suitable for Ages 10 and Older
A great introduction to the pulley, the Pulley Unit Set is similar in function to a gear box. Five pulleys in all are included in the set along with a universal arm and pulley mounts. A motor and motor mount box are also included. Contains white, black, and gray plastic parts attached to sprues. Other parts include belt guides, skinny belts, circular pulleys, rivets, a base, and motor holder. Small phillips screws for solid construction. Structure of pulley is kept simple for maintenance purposes like replacing the belt, if needed. Pulley rotates freely, allowing a dog to wag his tail, an alligator to open his mouth, or a dolphin to "jump" into the water, among other chosen motions. Designed for fairly small and simple models. Reverse rotation of pulley is possible. Pictorial instructions included.
REQUIRES: Assembly. Battery. Small Phillips Screwdriver. Modeling Knife. Long Nose Pliers SPECS: Base: Length: 4-3/4" (12.3cm). Width: from 1/2" to 1" (1.5cm to 2.5cm). Height: 1/4" (7mm)

TAMX7121 - $11.95



4 Speed Crank Axle Gear Box

For very experienced model builders.
This 4-Speed Crank Axle Gear Box is small but has a lot of power. There are four gear ratios to choose from, including the slowest ratio that allows for two rotations per minute. Two crank arms are included for added flexibility in the design of projects. By altering the combinations of four gears, four different gear ratios can be obtained: 126:1, 441:1, 1543:1, 5402:1. Higher speed setting is suitable for car model, and so on. Lower speed setting is suitable for tracked vehicle model, and so on. Included FA-130 motor operates on 3 volts. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision

TAMX7110 - $12.00




Twin Motor Gear Box Universal Gear Box Assorted Plastic Motor Gears and Metal Shafts

Twin Motor Gear Box

For very experienced model builders.
The Twin Motor Gear Box uses a two motor system to provide power and speed to turn the hex shaft. The gears and gear case are accurately molded from tough plastic for smooth and efficient operation. Use this gear box and motor set with other construction and robotics products. Two FA-130 motors are included. Two gear ratios, 207:1 or 58:1 can be selected. Pictorial instruction sheet included.
REQUIRES: Assembly. Phillips Screwdriver. Hobby Knife. Adult Supervision

TAMX7097 - $13.00



Universal Gear Box

For very experienced model builders.
The Universal Gear Box works well in a variety of applications and can be mounted several ways. A hex shaft and a threaded shaft are included to give the builder flexibility in design. Gear Ratios: 101:1 269:1 719:1. The plastic gears and metal gear box are all high quality. A FA-130 motor has also been included. Contains a 24T gear, 26T gear, and 8T pinion gear. Includes small phillips screws, washers, spacers, and rivets. Other parts include an output shaft, drive case, hexagonal shaft, and worm wheel. Select one of three speeds according to use: low speed, medium speed, and high speed. Small motor included. Direction of output shaft can be altered. Pictorial instructions included.
REQUIRES: Assembly. Small Phillips and Flathead Screwdriver. Tweezers. Adult Supervision

TAMX7010 - $11.00



Assorted Plastic Motor Gears and Metal Shafts

Contains 27 assorted plastic gears. Suitable for hobby, model, science and other projects. Click on picture for detailed view.

SVMMR8 - $24.95




Assorted Plastic Motor Gears Assorted Plastic Gears and Metal Shafts Assorted Small Plastic Motor Gears

Assorted Plastic Motor Gears

Contains 16 assorted plastic gears. Suitable for hobby, model, science and other projects. Click on picture for detailed view.

SVMMR7 - $15.95



Assorted Plastic Gears and Metal Shafts

Contains 27 assorted plastic gears and metal shafts. Suitable for hobby, model, science and other projects. Click on picture for detailed view.

SVMMR6 - $24.95



Assorted Small Plastic Motor Gears

Contains 16 assorted plastic gears. Suitable for hobby, model, science and other projects. Click on picture for detailed view.

SVMMR5 - $10.95




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