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May 25, 2006, 09:06 PM
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Camas, Washington, USA
Joined Apr 2001
12,484 Posts
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nobody???
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May 25, 2006, 10:55 PM
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Mesa, AZ
Joined Aug 2004
1,869 Posts
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Art, I haven't used that specific servo, but I've used other waypoints and really like them. I'd send Bob over at Allerc an email (contact info is on the site) and ask him about it.
Brian |
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May 26, 2006, 06:15 AM
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Antioch,CA,USA
Joined Dec 1999
12,094 Posts
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It's funny that the ads page says 110 deg. but when you click on the link there for data they list a different degree for that servo [W-150MGR].
 It doesn't look like they are proportional reading the data sheet. Like most retract servos they start moving and don't stop until they reach the end of the travel. In this case it looks like the servo travels 125 degrees each time it is instructed to move regardless of the channel on your receiver it is plugged into. W-150MGR 125-Deg Retract, Metal-Gear Weight : 16.2g/0.59oz Torque : 4.8V / 3.9kg-cm / 52oz-in Travel Angle 125 degrees Speed : 4.8V/0.19sec/60? Size(mm) : 26x13x26 Size(inch) : 1.16x0.51x1.02 Motor type : 3-Pole Ferrite Gear type : Metal |
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May 26, 2006, 09:21 AM
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Finland
Joined Jul 2004
560 Posts
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Mighty fast for a retract servo, my Hitec servo takes 4 secs to run 180*.... so it is much more scale movement than .4 secs for whole travel. SLAM BOOM BANG, as retracts slam in their slots..
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May 26, 2006, 12:00 PM
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Long Island, NY
Joined Oct 2003
3,102 Posts
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Have one in my Hyp 51, works fine, as Ceeray says, fast, And you cannot electronically slow it down.
Jim |
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May 26, 2006, 12:27 PM
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Camas, Washington, USA
Joined Apr 2001
12,484 Posts
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Thanks all. Sounds like it is non-proportional... which is a good thing for a retract servo.
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May 26, 2006, 05:03 PM
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Antioch,CA,USA
Joined Dec 1999
12,094 Posts
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It would be neat to find a way to make it proportional. At 52 in/oz of torque that would be one monster of a lightweight servo with metal gears.
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Jun 01, 2006, 11:30 AM
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Canada, ON, Ottawa
Joined Mar 2000
1,117 Posts
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Was working with one in my Acme Beech C-45 last night. Definately non-proportional.
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Jun 02, 2006, 03:25 PM
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Phoenix area
Joined Apr 2004
1,466 Posts
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Hyperion also makes a servo rate adjuster, but it cannot be used with a true (non-proportional) retract servo. It's actually two rate adjusters in one: two inputs, two outputs, one PCB and adjustment micropot.
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Jun 02, 2006, 10:45 PM
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Colorado Springs, Co
Joined Oct 2004
464 Posts
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I used one of these in my ultrafly P-51. I didn't like it. I mean it was a nice servo, but it was made to go endpoint to endpoint. I can adjust the endpoint on all my other servos. But this servo can not be adjusted.
If you want any of these, I have 2 Waypoint W-150mrs retract servos that I am trying to sell. One is NIB. The other is slightly used. I also have a package of extra arms for each one. I also have 2 dionysus Design servo rate reducers that I am trying to sell. Pm me if you are interested in any of these. |
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