Gears and Gear Sets
If you are not able to find the item you are looking for in our standard range below. We are able to offer a bespoke gear cutting service to the modeller. This means that it is now possible for the modeller to have custom gears made to their requirements.
Details can be found on the Gear Cutting section of our web site.
Contrate and Pinion gear sets
Specific Gear Data:
| Contrate | 'OS1' | 'CW' | 'FW' | 'CB' |
| Type | Offset 1 | Contrate Width | Face Width | Contrate Bore |
| 1 | 0.157" [3.99mm] | 0.162" [4.11mm] | 0.079" [2.00mm] | 2.0mm |
| 2 | 0.210" [5.33mm] | 0.194" [4.93mm] | not applicable | 2.0mm or 1/8" |
Common Gear Data:
| 'OS2' - Offset 2 | 0.344" [8.74mm] |
| 'CD' - Contrate Dia. | 0.460" [11.68mm] |
| 'BD' - Boss Dia. | 0.187" [4.75mm] |
| 'PB' - Pinion Bore | 1.0mm, 1.5mm or 2.0mm |
| 'IP' - Intergral Pinion (type 1 only) | 15teeth, 100DP and is moulded with the contrate. |
Additional Information/Options:
- These gear sets can be used as an alternative to the standard worm and wheel to drive at 90 dregrees.
- Both gear sets have a ratio of 2.9:1.
- The Contrate and Pinion are manufactured from injection moulded Nylatron GS.
- The type 1 contrate has a 2.0mm reamed bore in a Brass bush.
- All other bores are a push fit on to the indicated bore size.
- Product Specific Information/Options can be seen by clicking on the product description.
Worms
Specific Gear Data:
| Tooth | 'WD' | 'WL' | 'WB' | Worm | Number |
| Size | Worm Dia. | Worm Length | Worm Bore | Material | of Starts |
| 100 DP | 0.141" [3.58mm] | 0.375" [9.53mm] | 1.5mm, 1.8mm or 2.0mm | Nylon | 1 |
| 100 DP | 0.189"" [4.80mm] | 0.375" [9.53mm] | 1.5mm, 1.8mm, 2.0mm or 3/32" | Nylon | 1 |
| 100 DP | 0.189" [4.80mm] | 0.195" [4.95mm] | 1.0mm, 1.5mm, 1.8mm, 2.0mm or 3/32" | Nylon or Steel | 1 |
| 0.4 MOD | 0.250" [6.35mm] | 0.375" [9.53mm] | 1.5mm, 1.8mm, 2.0mm or 3/32" | Nylon or Steel | 1 |
| 0.4 MOD | 0.250" [6.35mm] | 0.375" [9.53mm] | 1.5mm, 1.8mm, 2.0mm or 3/32" | Nylon | 2 |
Additional Information/Options:
- Worms are manufactured from either injection moulded Nylatron GS or Steel, unless otherwise indicated.
- Product Specific Information/Options can be seen by clicking on the product description.
- All worms are single start unless otherwise indicated.