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Aeronaut Prop Adaptors |
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Peter Pine E-mail: ppine@northnet.com.au |
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| Prop adaptors are required to mount a propeller either on an electric motor or gearbox shaft. The shafts are usually smooth, and there are two types of adpator: those attached with a grub screw, and those that use a collet type action to grab tightly onto the smooth shaft.
When using the grub screw variety shown above on the left, it is recommended that you grind two flats on the shaft of your motor or gearbox on which the grub screws can purchase. It is also recommended that you add a drop of Loctite to each grub screw as you secure it. The collet type are shown above on the right - both the standard short type, and the new long versions. Following are the sizes and prices of the grub screw type first, and then the collet type - the shaft size is specified, and the diameter of the bore of the prop adpator shaft as well (new low prices posted 7-12-09): |
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Grub screw type prop adaptors:
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| Part Number | Fits motor shaft size | Bore of adaptor shaft | Price |
| 7124/07 | 2.3mm | 6.0mm | $9.90 |
| 7124/36 | 3.0mm | 6.0mm | $9.90 |
| 7124/38 | 3.0mm | 8.0mm | $9.90 |
| 7124/13 | 3.2mm | 6.0mm | $9.90 |
| 7124/08 | 3.2mm | 8.0mm | $9.90 |
| 7124/11 | 4.0mm | 8.0mm | $9.90 |
| 7124/09 | 5.0mm | 8.0mm | $9.90 |
| 7124/12 | 6.0mm | 8.0mm | $9.90 |
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Collet type prop adaptors (short):
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| These short adpators have a 25mm long shaft, with 17mm of effective shaft protruding from the backplate. | |||
| 7124/32 | 2.3mm | 6.0mm | $9.90 |
| 7124/33 | 3.2mm | 6.0mm | $9.90 |
| 7124/37 | 3.2mm | 8.0mm | $9.90 |
| 7124/04 | 4.0mm | 8.0mm | $9.90 |
| 7124/17 | 5.0mm | 8.0mm | $9.90 |
| 7124/05 | 6.0mm | 8.0mm | $9.90 |
| Collet type adaptors (long): | |||
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Have you ever had trouble fitting your propeller and spinner on to a prop adpaptor? Just not long enough? Hardly enough thread to screw on the prop nut? Aero-naut have responded. New, long prop adaptors do the job - all these are 35mm long (25mm effective shaft protruding from the backplate)
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| 7124/54 | 4mm | 8mm | $9.90 |
| 7124/55 | 5mm | 8mm | $9.90 |
| 7124/56 | 6mm | 8mm | $9.90 |
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Click here to see a range of prop adaptors with dome spinner nuts. Also, a heavy duty 6mm collet type. Click here to see a prop adaptor for 2mm shafts. Click here for collet-pullers to release frozen collets.
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