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RVFM 1:120 Inline Motor and Gearbox

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Price per unit
Qty Ex Vat
1+ £2.29
25+ £1.98
100+ £1.66
250+ £1.46

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In-Line Gearbox with Motor, 120:1 Gear Ratio, 3 to 12V Voltage Rating, 140rpm Maximum Speed, 5.5mm Shaft Diameter, 7cm Long, 2cm Wide, 2cm High, 30g Weight, This Economy Motorised Gearbox is Fitted with Motor, The Output Shaft is 9mm Long with 2 Flats, Ratios of 120:1 Give Final Speeds of between 70-140rpm Depending on Voltage Used, Smooth Running, 3 Mounting Holes, No Load Current: 70-130mA, Ideal for Small Educational Projects Including Fairgrounds and Robots

Question by Hamish | Product code: 37-1217
30 August 2017

Q What is the gear ratio of this motor? Does it mean for every one turn of the motor, the output shaft turns 120 times or is it the other way around? Also the "title" gear ratio is oppose to you "product details" ratio. Thanks Hamish
A Hi Hamish, thank you for your question. This should be 120.1 so 1 turn of the shaft equals 120 turns of the motor.

Question by Declan Askin | Product code: 37-1217
18 January 2017

Q Do you supply anything like this set of gears that fit this motor?
A Hi Declan, thank you for your question. Unfortunately not.

Question by Bryan Williams | Product code: 37-1217
26 September 2013

Q What is the torque at the output shaft and is the direction of rotation reversible by reversing the supply leads?
A Hi Bryan. Thank you for your question. The manufacturer does not mention the torque rating of the output shaft but states that RPM range without a load is 69-100rpm and the unit can be reversed by changing the polarity.

Question by John | Product code: 37-1217
22 November 2012

Q Do you supply a bracket for this gearbox?
A Hi John. Thank you for your question. The only bracket we can offer is the 37-0360 which will fit but needs the cable tye to secure the motor in place. The inner part of the motor mount is not required.

Question by Martin Cassidy | Product code: 37-1217
27 January 2012

Q Do you supply wheels to fit the motor spindle of the 37-1217 motor unit??
A Thanks for your enquiry Martin. I'm afraid we don't stock any wheels that would fit this motor.

Great little gearbox and motor
Reviewed by: Mr B_DT
24 June 2015

This motor works nicely at 5V, so is compatible with microcontroller boards, provided you have a motor driver / voltage regulator to your PIC/etc it can run on upto 12V, so you can increase the speed directly with voltage if you like. It's cheap enough to create new robotic type projects with, and the holes make it easy to attach. Nice little product.

Reviewed by: Colin Durrans
06 March 2015

These low cost gear-motors offer terrific value for money. Very reliable and easy to drive, I'd recommend them for any small robot project. We're using them in MiniSumo Robots with printed wheels:

Great value
Reviewed by: Tom Lynch
20 January 2014

Both this product and the 1:220 Right Angled Motor and Gearbox (37-1216) products are fantastic value. The motors easily run off 5V which is great for powering the motor with an L293 or a transistor circuit connected to an Arduino or other microcontroller board. This inline motor has a nice middle of the range gear ratio that makes for a good balance between high torque and speed speed. This coupled with the low price make it a really good option.