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DISH SETUP: Single sat, Multi-Sat & Motorised
Fibo Owners Club
Fibo motor pulse mods
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<blockquote data-quote="johnsattuk" data-source="post: 347848" data-attributes="member: 183150"><p>Perhaps slightly off topic, but all to do with the 'Fibo motor' U-zzz</p><p></p><p>One of the main faults (IMHO) with the Fibo motor is the lack of limit switches. It is a common fault that the motor is accidentally driven too far, the motor has enough torque to damage the plastic pinion on the output shaft. The pinion typically has teeth broken off and/or the slot in the base is chewed up by the dowel pin, which itself is usually damaged. I believe that there have been some metal pinions made and used because of this. This does not overcome the problem and in fact is likely to cause more serious damage to the motor's innards. I think the standard pinion is able to cope quite well with normal use.</p><p></p><p>I have seen examples of limit switches on the large diecast gear, which is perhaps the best place for them, but the ones I have seen are a bit 'heath robinson' , and need extra wiring into the motor, also the switches are a bit exposed to the elements.</p><p></p><p>One of the interesting changes that I noticed on the 'V-Sec' motor was that it had some built in limit switches, they are ingenius in the way they are designed, but a bit basic in function. The switches limit the rotation to approx 2 turns in each direction, but are non-adjustable, this protects the motor from overdriving in an ideal situation, where the dish is free to turn the full amount, but if the dish is restrained by its location, the switches do not work. It would be much better to be able to set any positions, as in most H-H motors. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p></p><p>This is on my list to look at. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="johnsattuk, post: 347848, member: 183150"] Perhaps slightly off topic, but all to do with the 'Fibo motor' U-zzz One of the main faults (IMHO) with the Fibo motor is the lack of limit switches. It is a common fault that the motor is accidentally driven too far, the motor has enough torque to damage the plastic pinion on the output shaft. The pinion typically has teeth broken off and/or the slot in the base is chewed up by the dowel pin, which itself is usually damaged. I believe that there have been some metal pinions made and used because of this. This does not overcome the problem and in fact is likely to cause more serious damage to the motor's innards. I think the standard pinion is able to cope quite well with normal use. I have seen examples of limit switches on the large diecast gear, which is perhaps the best place for them, but the ones I have seen are a bit 'heath robinson' , and need extra wiring into the motor, also the switches are a bit exposed to the elements. One of the interesting changes that I noticed on the 'V-Sec' motor was that it had some built in limit switches, they are ingenius in the way they are designed, but a bit basic in function. The switches limit the rotation to approx 2 turns in each direction, but are non-adjustable, this protects the motor from overdriving in an ideal situation, where the dish is free to turn the full amount, but if the dish is restrained by its location, the switches do not work. It would be much better to be able to set any positions, as in most H-H motors. :) This is on my list to look at. :D [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
Fibo Owners Club
Fibo motor pulse mods
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