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MFA Torpedo 850 with Belt Drive Unit (M1115/5)

Cornwall Model Boats | Hardware & Accessories | Electric Motors, Mounts & Gearboxes  | Geared Motors | MFA Torpedo 800/850 | MFA Torpedo 850 with Belt Drive Unit

MFA Torpedo 850 with Belt Drive Unit

MFA Torpedo 850 with Belt Drive Unit

This unit has been developed to meet a requirement where high torque, lower r.p.m. than direct drive is required. It is particularly suitable for marine applications where driving a large propeller at lower r.p.m. is very efficient and quieter.

The unit is powered by MFA/Como Drills 850 series 12v d.c. 3 pole motor, with heavy duty carbon brush gear and double ended 6.35mm drive shaft. The motor is mounted on a rugged 1.5mm steel right angle bracket. The 2.1:1 reduction is achieved via two precision aluminium timing pulleys utilising a high quality toothed timing belt. The final drive is delivered through two block mounted precision ballraces with a 6mm keyed steel output shaft.

The RE850 motor version will deliver around 1380 g.cm torque (0.14 Nm) running at maximum efficiency.

Output shaft speed on 12v (850 motor): 4000 r.p.m. approx.

Operating Voltage 12 volts.
Current approx.10.82A at max efficiency.
RPM at 12.0v - 8311 at max efficiency.
Weight 595g (approx)
Shaft Diameter - 6.35mm
Part No: M1115/5

Price: 61.22 (Including VAT at 20%)
Euros: 66.49 (Inc VAT) / US Dollars: US$65.31 (Tax Free)


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3. 90mm M5 Threaded 3 Blade L/H Brass A-Type Propeller (Ref: RAB146-32)

Cornwall Model Boats | Hardware & Accessories | Electric Motors, Mounts & Gearboxes  | Geared Motors | MFA Torpedo 800/850 | MFA Torpedo 850 with Belt Drive Unit