Subject:
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Re: Quick Q : 9v Motors
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 16 May 2000 12:48:11 GMT
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Viewed:
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712 times
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The motor in the 8735 pack (known individually as the 5225) is a much newer
design that includes some built-in gear reduction and a flywheel. It has a
fairly low speed, but high torque.
The motor in the 8720 pack (known individually as the 5114) is the older
design with no internal gearing etc. and consequently runs at a much higher
speed and lower torque.
From the RoboLab Guide...
Motor type Approx power Operating limit
Consumption
5225 (no load) 10mA 350 RPM
5225 (normal load) 100mA 250 RPM
5114 (no load) 40mA 4200 RPM
5114 (normal load) 160mA 2600 RPM
Also see http://www.enteract.com/~dbaum/lego/motors.html
Conrad.
In lugnet.robotics, Scott Arthur writes:
> Is there any difference, in terms of performance and power consumption, • between
> the 8735 and 8720 motors. Or is it the same electrics in a different case?
>
> Scott A
>
> From www.brickset.co.uk -
> The 8735:
> http://nt1.pncl.co.uk/huw/view.asp?Set=8735-1&f=1&r=1
>
> The 8720:
> http://nt1.pncl.co.uk/huw/view.asp?Set=8720-1&f=1&r=1
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Message is in Reply To:
 | | Quick Q : 9v Motors
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| Is there any difference, in terms of performance and power consumption, between the 8735 and 8720 motors. Or is it the same electrics in a different case? Scott A From www.brickset.co.uk - The 8735: (URL) 8720: (URL) (25 years ago, 16-May-00, to lugnet.robotics)
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