| Title: | Welcome To The Radio Control Conference |
| Notice: | dir's in 11, who's who in 4, sales in 6, auctions 19 |
| Moderator: | VMSSG::FRIEDRICHS |
| Created: | Tue Jan 13 1987 |
| Last Modified: | Thu Jun 05 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 1706 |
| Total number of notes: | 27193 |
Not having done anything with capacitors, resistors...etc.. I don't know what I'm talking about! So could some one please help me. I was given a Graupner Jumbo 750 electric motor. There were no instructions with it but it did have a diagram and some 'extra parts'. There is a small green cylinder with the following written on it 'ERO MKT1813 0.47uF +-10% * 250V - P1 ' and a black disc with '47nF 32V' written on it. The green cylider is suppose to be attached to the pos and neg termanals of the motor. The black disc is suppose to be attached to the neg terminal and the motor casing. What are these and what do they do for the motor? Also, this motor is rated at 9 - 12 Volts with an 'idle speed' of 19000 rpm. What does the idle speed indicate? Does it mean that this motor should be able to spin at 30000 rpm? Thanks for any help...Jim
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 335.1 | BSS::TAVARES | John--Stay low, keep moving | Tue Oct 20 1987 14:05 | 10 | |
The capacitors are for suppressing the noise generated by the motor brushes. Connect them as instructed. The motor noise will cause noise in the receiver without the capacitors. I don't know what "idle speed" means, and in my travels through electric flight literature, I have never encountered the term. I think that you should bolt up the recommended prop to the shaft and forget idle speed. Tell us about the model you're putting it into! | |||||
| 335.3 | THE IDLE SPEED QUESTION | LEDS::COHEN | Tue Feb 02 1988 16:53 | 4 | |
noticed your question on idle speed, being somewhat more than slightly
interested in electric flight, i do happen to know that idle speed
refers to a motors no-load rpm at rated voltage. don't know if
you are still reading this, but i thought i'de answer anyway
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