- Obecnie brak na stanie

Solarbotics GM18 30:1 Mini Metal Gear Motor
The Solarbotics GM18 30:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC motor with metal gears, similar to the Sanyo motors such as NA2S, NA3S, and NA4S. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.
These miniature brushed DC metal gear motors have 3 mm diameter output shafts that mate fairly well with any 1/8-inch hole output device, including the Solarbotics RW2 high-traction rubber wheels. Alternatively, you can use the Pololu universal mounting hub to mount custom wheels and mechanism to the micro metal gearmotor’s output shaft.
The brass faceplates have two mounting holes threaded for 1.7 (dia) x 0.35 (mm/thd) x 4mm long screws (M1.7 × 4 mm), or you can use our mounting bracket, which is specifically designed to securely mount the gearmotor while enclosing the exposed gears.
These small motors come in a variety of gear ratios, have a compact size (1.14" x 0.39" x 0.47"), and weigh only 0.29 oz, making them a great choice for small robot designs — and controlling these low-current motors is a snap with our qik 2s9v1 dual serial motor controller.
![]() |
Solarbotics mini metal gearmotor dimensions (in mm). |
---|
You can download a pdf version of this drawing with imperial dimensions (119k pdf) or metric dimensions (118k pdf).
gear motor | gear ratio | free-run RPM | free-run current | stall current | stall torque | price |
GM18 | 30:1 | 566 | 48 mA | 500 mA | 7.29 oz-in | $19.75 |
GM12a | 100:1 | 170 | 48 mA | 390 mA | 10.70 oz-in | $19.75 |
GM13a | 150:1 | 113 | 40 mA | 370 mA | 14.97 oz-in | $19.75 |
GM14a | 298:1 | 71 | 50 mA | 533 mA | 30.70 oz-in | $19.75 |
gearmotor | gear ratio | free-run RPM | free-run current | stall current | stall torque (oz-in / kg-cm) |
price |
5:1 Micro | 5:1 | 2450 | 50 mA | 360 mA | 1 / 0.1 | $15.95 |
10:1 Micro | 10:1 | 1250 | 40 mA | 360 mA | 2 / 0.2 | $15.95 |
30:1 Micro | 30:1 | 440 | 40 mA | 360 mA | 4 / 0.3 | $15.95 |
50:1 Micro | 50:1 | 250 | 40 mA | 360 mA | 6 / 0.4 | $15.95 |
100:1 Micro | 100:1 | 120 | 40 mA | 360 mA | 10 / 0.7 | $15.95 |
150:1 Micro | 150:1 | 85 | 40 mA | 360 mA | 15 / 1.1 | $15.95 |
210:1 Micro | 210:1 | 60 | 40 mA | 360 mA | 19 / 1.3 | $15.95 |
250:1 Micro | 250:1 | 50 | 30 mA | 360 mA | 22 / 1.6 | $15.95 |
298:1 Micro | 298:1 | 45 | 30 mA | 360 mA | 25 / 1.8 | $15.95 |
5:1 Micro HP | 5:1 | 6000 | 120 mA | 1600 mA | 2 / 0.1 | $15.95 |
10:1 Micro HP | 10:1 | 3000 | 120 mA | 1600 mA | 4 / 0.3 | $15.95 |
30:1 Micro HP | 30:1 | 1000 | 120 mA | 1600 mA | 8 / 0.6 | $15.95 |
50:1 Micro HP | 50:1 | 625 | 100 mA | 1600 mA | 15 / 1.0 | $15.95 |
100:1 Micro HP | 100:1 | 315 | 80 mA | 1600 mA | 25 / 1.8 | $15.95 |
150:1 Micro HP | 150:1 | 200 | 70 mA | 1600 mA | 45 / 3.2 | $15.95 |
210:1 Micro HP | 210:1 | 140 | 70 mA | 1600 mA | 65 / 4.7 | $15.95 |
250:1 Micro HP | 250:1 | 120 | 70 mA | 1600 mA | 75 / 5.4 | $15.95 |
298:1 Micro HP | 298:1 | 100 | 70 mA | 1600 mA | 90 / 6.5 | $15.95 |
24:1 Mini | 24:1 | 410 | 70 mA | 420 mA | 4 / 0.3 | $14.95 |
100:1 Mini | 100:1 | 140 | 90 mA | 800 mA | 15 / 1.0 | $17.95 |
35:1 Mini | 35:1 | 350 | 70 mA | 1500 mA | 35 / 2.5 | $17.95 |
25:1 20Dx44L mm | 25:1 | 500 | 160 mA | 3300 mA | 20 / 1.5 | $19.95 |
19:1 37Dx52L mm | 19:1 | 250 | 170 mA | 2500 mA | 40 / 2.9 | $24.95 |
Note: These gearmotors do not come with mounting hardware, instructions, or packaging. The brass faceplate has two mounting holes threaded for 1.7 (dia) x 0.35 (mm/thd) x 4mm long screws (M1.7 × 4 mm), and our micro metal gearmotor bracket (sold separately) gives you even more mounting options.
![]() |
Solarbotics GM12a 100:1 Mini Metal Gear Motor |
![]() |
Solarbotics RW2 Wheel (external set screw) |
Producent BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Polska sprzedaz@kamami.pl 22 767 36 20
Osoba odpowiedzialna BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Polska sprzedaz@kamami.pl 22 767 36 20
Brak towaru
Brak towaru
Brak towaru
Brak towaru
Brak towaru
Ściemniacz sterowany napięciowo - zestaw do samodzielnego montażu
Brak towaru
Brak towaru
3-kolorowy wyświetlacz e-Paper o przekątnej 2,9" i rozdzielczości 296x128 px. Interfejs SPI. Bez płytki PCB. Waveshare 2.9inch e-Paper (C)
Brak towaru
Brak towaru
Brak towaru
Filament Nylon z dodatkiem włókna węglowego PA12 + CF5 w kolorze Black o średnicy 1,75 mm. Na szpuli nawinięte jest 0,5 kg filamentu. Fiberlogy Nylon PA12 + CF5 Black
Brak towaru
Brak towaru
Zestaw modułów POD dedykowanych dla Raspberry Pi Zero i Zero 2W. Zawiera obudowę Zero POD Case, moduł ekspandera USB i HDMI oraz moduł wyświetlacza. Waveshare Zero POD KIT B
Brak towaru
Moduł odtwarzacza audio z dekoderem MP3 i gniazdem kart microSD. Płytka została wyposażona w złącze Grove i komunikuje się przez interfejs I2C. Seeed Studio 107020069
Brak towaru
Brak towaru
Cytron 0.8Amp 5V-26V DC Motor Driver Shield - dwukanałowy sterownik silników DC dla Arduino
Brak towaru
Solarbotics GM18 30:1 Mini Metal Gear Motor