Mick38 Posted September 22, 2020 Share Posted September 22, 2020 Does anyone have any suggestions for revving up a Tortoise motor? I have recently obtained two new ones from the USA (as local retailers are out of stock), one of which will only operate one way, the other which needs pushing to get it moving either way. I have checked 12volts DC at the terminals. I have a dozen others which give no problems. Returning to the States (from Australia) is rather a costly remedy. Link to post Share on other sites More sharing options...
Andymsa Posted September 22, 2020 Share Posted September 22, 2020 14 minutes ago, Mick38 said: Does anyone have any suggestions for revving up a Tortoise motor? I have recently obtained two new ones from the USA (as local retailers are out of stock), one of which will only operate one way, the other which needs pushing to get it moving either way. I have checked 12volts DC at the terminals. I have a dozen others which give no problems. Returning to the States (from Australia) is rather a costly remedy. does it move freely by hand as you can push the arm. Also have you measured the current draw on stall and moving Link to post Share on other sites More sharing options...
RMweb Gold RFS Posted September 22, 2020 RMweb Gold Share Posted September 22, 2020 Have you tried operating the motor on the workbench using a 9V battery, for example? Link to post Share on other sites More sharing options...
Mick38 Posted September 22, 2020 Author Share Posted September 22, 2020 It does move freely when pushed, and it does work on the bench, a little slowly. There is no impediment to movement of the wire or tiebar. It just seems to be too weak. Link to post Share on other sites More sharing options...
Mick38 Posted September 23, 2020 Author Share Posted September 23, 2020 Problem now identified as poor soldering of wires at the DPDT switches. While there was apparently full voltage at the motors, there was insufficient current to operate them. There is nothing wrong with the motors, thankfully. When I applied full 12v direct to the tortoise contacts they both worked fine. Thank you for your comments. 2 Link to post Share on other sites More sharing options...
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