There are ultrasonic speed transducers (no moving parts), but they aren’t cheap (around $650?). Arimar makes them, as well.
Marek From: Della Barba, Joe via CnC-List Sent: Wednesday, November 30, 2016 08:52 To: [email protected] Cc: Della Barba, Joe Subject: Stus-List speed instrument frustration For ages I have had a Standard-Horizon SL1 speed log. The instrument eventually died and was replaced. The impellor was always getting gunked up and then died for good. The instrument died again. I got one instrument and two impellors from Fleabay. One impellor died quickly and the other one died just now ☹ They were all new in box too. I am about ready to just look at the GPS and give up on this. Is there a modern speed sensor that actually lasts? I remember replacing a ton of them back in the day as an Autohelm dealer. Joe Coquina
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