https://c5.me.uk/wiki/ 2026-11-01T20:14:37+00:00 https://c5.me.uk/wiki/ https://c5.me.uk/wiki/lib/exe/fetch.php?media=wiki:logo.svg text/html 2026-11-01T00:04:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:drive_belt&rev=1793491463&do=diff Drive belt System Motor and drivetrain Handbook item 55 Sinclair part no. C5674 360 Hoover factory no. not yet identified Fits to Output pulley of the gearbox → drive gear on the rear axle (left-hand, driven, rear wheel) Description A toothed (timing) belt carries the drive from the gearbox's output pulley to the large drive gear on the rear axle. The motor drives the text/html 2026-11-01T00:04:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:drive_gear&rev=1793491463&do=diff Drive gear System Motor and drivetrain Handbook item 49 Sinclair part no. C5674 353 Hoover factory no. not yet identified This page is a starting point built from the original documents. More detail will be added. Description The large toothed pulley on the rear axle, driven by the text/html 2026-11-01T00:04:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:gearbox&rev=1793491463&do=diff Gearbox System Motor and drivetrain Handbook item 51 Sinclair part no. C5674 356 Hoover factory no. Cover 100265 (see Components below) Fits to Motor (C5674 357). It drives the drive belt, which turns the drive gear on the rear axle. Description The gearbox is a small epicyclic (planetary) reduction unit that clips onto the drive end of the motor. A sun pinion on the motor shaft turns text/html 2026-11-01T00:04:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:motor_brushes&rev=1793491464&do=diff Motor brushes System Motor and drivetrain Handbook item 65 Sinclair part no. C5674 370 Hoover factory no. not yet identified This page is a starting point built from the original documents. More detail will be added. Description Carbon brushes in metal sleeves inside sprag-locked holders in the vented end cap. Lift or partly withdraw them before removing the armature. Some owners have used washing-machine brushes as replacements. text/html 2026-11-01T00:04:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:motor&rev=1793491464&do=diff Motor System Motor and drivetrain Handbook item 52 Sinclair part no. C5674 357 Hoover factory no. 100431 This page is a starting point built from the original documents. More detail will be added. Description 12 V permanent-magnet DC motor, 250 W continuous, 4,100 rpm, made by Polymotor Italiana (Philips group); derived from a truck cooling-fan motor, not a washing-machine motor. Draws about 3 A free-running, 15 A on the level, 50 A on a 1-in-15 hill, 140 A stalled. 30 A is the maximu… text/html 2026-11-01T00:04:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:rear_axle&rev=1793491464&do=diff Rear axle System Motor and drivetrain Handbook item 47 Sinclair part no. C5674 351 Hoover factory no. not yet identified This page is a starting point built from the original documents. More detail will be added. Description A step-swaged steel tube made by Torrington of Coventry, based on a Lotus car steering-column design. Carries the drive gear, splined sleeve, the pedal freewheel and both rear wheels. Bearing and support-housing bolts 8–10 Nm (Hoover inspection sheet). text/html 2026-11-01T00:23:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://c5.me.uk/wiki/doku.php?id=parts:drivetrain:start&rev=1793492614&do=diff Motor and drivetrain The electric drive of the C5 runs: 12 V motor → epicyclic gearbox → toothed drive belt → drive gear → rear axle, driving the left-hand rear wheel only. The overall reduction is 13:1. The pedal drive is a separate system; see