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  #31   Spotlight this post!  
Unread 10-01-2012, 21:13
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by Ether View Post



The PG71 and the RS775 are not even in the same league. The 775 is 271 watts max, and the PG71 is 21 watts max.



The PG71 IS an RS-775. It is significantly different from the one from Banebots, but my comparison was size (as in ability to be stalled momentarily without overheating) related.
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Unread 11-01-2012, 10:06
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by Ether View Post
[i]On an earlier thread, Richard indicated he would perform dyno tests on the kit motors and report the results this week. When that data is available, I will incorporate it into the motor calculator.
Today I expect to receive several PG71 units for testing at my lab. (They were shipped on Monday.) We are working on the test set-up now. It may be tomorrow afternoon before we complete all tests, review the results, and are ready to post.
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  #33   Spotlight this post!  
Unread 11-01-2012, 13:53
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by sanddrag View Post
My question is, can we simply buy and legally use any motor from a car rather than obtaining it through this route? If not,I think it's dumb that a piece of paper from a junkyard is the difference between a motor being legal and not.
It makes sense to me....we don't want people using the power window pump motor out of a 1950 lincoln, for example.

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Unread 11-01-2012, 15:33
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by Retired Starman View Post
Driver side window motors are often built heavy-duty since the driver's window gets more use than the passenger window. They are not the same motors.
That is what Al told me a year ago, it is a cost/benefit scenario, so they build the left versions to slightly higher quality.
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  #35   Spotlight this post!  
Unread 11-01-2012, 20:07
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Re: Official 2012 Motors Models and Specs Thread

See attached. FIRST motor spec table and footnotes.
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Name:	2012 motor spec chart (annotated).png
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Size:	94.5 KB
ID:	11327  
Attached Files
File Type: txt 2012 motor spec chart notes.txt (793 Bytes, 144 views)

Last edited by Ether : 12-01-2012 at 14:54.
  #36   Spotlight this post!  
Unread 13-01-2012, 22:01
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Re: Official 2012 Motors Models and Specs Thread


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Originally Posted by Ether View Post
See attached. FIRST motor spec table and footnotes.
Team Update #2 (2012-01-13) has added FP-9012 to [R48] and kept FP-9013.


  #37   Spotlight this post!  
Unread 13-01-2012, 23:11
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by squirrel View Post
It makes sense to me....we don't want people using the power window pump motor out of a 1950 lincoln, for example
Yes, it would be a shame to damage a car like that
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  #38   Spotlight this post!  
Unread 14-01-2012, 15:29
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Re: Official 2012 Motors Models and Specs Thread

Does anybody know the specs for the M7-RS775-18 banebot motor? The specs that FIRST gives are significantly different than the specs from BaneBots.

http://banebots.com/pc/MOTOR-BRUSH/M7-RS775-18

http://www.usfirst.org/sites/default...torInfo2.2.pdf
  #39   Spotlight this post!  
Unread 14-01-2012, 16:12
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by AdamE View Post
Does anybody know the specs for the M7-RS775-18 banebot motor? The specs that FIRST gives are significantly different than the specs from BaneBots.

The 12 volt specs for both the 775-18 and the 775-12 are in the motor calculator located here.

The link you posted for the Banebots specs was for the 775-18 at 18 volts.

Here's the Banebots spec for the 775-18 at 12 volts:

http://banebots.com/docs/M7-RS775-18-AT12V.pdf

The FIRST specs are for the 775-18 at 12 volts



Last edited by Ether : 14-01-2012 at 16:19.
  #40   Spotlight this post!  
Unread 15-01-2012, 16:51
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Re: Official 2012 Motors Models and Specs Thread

Here is the FIRST file converted to an excel spreadsheet.

I did not make any changes to the data from the FIRST site.
Attached Files
File Type: xls 2012 KOP Motor Spec Table 15 JAN 2012.xls (19.5 KB, 94 views)
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  #41   Spotlight this post!  
Unread 16-01-2012, 16:00
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Re: Official 2012 Motors Models and Specs Thread

All,

I have updated the web page for the PG71 gearmotor (am-0914). It now has the actual test results performed by Richard Wallace's staff at Whirlpool in Benton Harbor. Many thanks to go Richard and his colleagues for this testing and service to the FIRST community.

Copying from this page, here are the Performance Specs: (updated Monday, Jan. 16th):
  • Gearbox Reduction: 71:1
  • Voltage: 12 volt DC
  • No Load Free Speed: 75 rpm
  • No Load Current: 0.6 amps
  • Tested Gearbox Output Power: 44 Watts*
  • Stall Torque: 16.6 ft-lbf*
  • Stall Current: 22 amps*

Sincerely,
Andy Baker
  #42   Spotlight this post!  
Unread 16-01-2012, 17:03
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by Andy Baker View Post
All,

I have updated the web page for the PG71 gearmotor (am-0914). It now has the actual test results performed by Richard Wallace's staff at Whirlpool in Benton Harbor. Many thanks to go Richard and his colleagues for this testing and service to the FIRST community.

Copying from this page, here are the Performance Specs: (updated Monday, Jan. 16th):
  • Gearbox Reduction: 71:1
  • Voltage: 12 volt DC
  • No Load Free Speed: 75 rpm
  • No Load Current: 0.6 amps
  • Tested Gearbox Output Power: 44 Watts*
  • Stall Torque: 16.6 ft-lbf*
  • Stall Current: 22 amps*

Sincerely,
Andy Baker
Can we get some specs on the PG71 gearbox, i.e. efficiency and max torque?
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  #43   Spotlight this post!  
Unread 16-01-2012, 17:16
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Re: Official 2012 Motors Models and Specs Thread

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Originally Posted by jason701802 View Post
Can we get some specs on the PG71 gearbox, i.e. efficiency and max torque?
I believe the specs you are looking at are for the gearmotor, i.e., at the gear output shaft.

Look at the pictures in the report.


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Unread 16-01-2012, 17:19
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Re: Official 2012 Motors Models and Specs Thread


The motor calculator has been updated with the new specs for the am-0914.

Still looking for specs for the FP-9013.

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Unread 16-01-2012, 17:20
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Re: Official 2012 Motors Models and Specs Thread

I am asking about specs for the gearbox alone. Supposing it is attached to a more powerful motor, how much torque can the gearbox take before it breaks and how efficient is it?
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