908-P1: Difference between revisions
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{{GR Product | {{GR Product | ||
|model=908-P1 | |model=908-P1 | ||
|codes=SYNDO | |||
|class=recorders and dial drives | |class=recorders and dial drives | ||
|summary=Synchronous Dial Drive | |summary=Synchronous Dial Drive | ||
| Line 6: | Line 7: | ||
|caption=General Radio 908-P1 Synchronous Dial Drive | |caption=General Radio 908-P1 Synchronous Dial Drive | ||
|series=908 | |series=908 | ||
|introduced= | |introduced=1954 | ||
|discontinued=1965 | |discontinued=1965 | ||
|designers= | |designers= | ||
| Line 15: | Line 16: | ||
The {{Title|General Radio 908-P1 Synchronous Dial Drive}} was introduced in {{Catalog O}} and remained available through {{Catalog S}}. | The {{Title|General Radio 908-P1 Synchronous Dial Drive}} was introduced in {{Catalog O}} and remained available through {{Catalog S}}. | ||
It is a synchronous dial drive with a pinion speed of 4 rpm. Its function is to sweep the dial of the attached instrument at a constant speed synchronously with a [[1521-A|1521-A Graphic Recorder]]. | |||
Applications include plotting amplitude vs. frequency. | |||
[[1208-C]] [[1209-C]] [[1209-CL]] | The Type 908-P1 features two sets of attaching screws for instruments with Type 908 and 907 dial mechanisms. The 908-P1 is self-reversing when it encounters a mechanical stop. | ||
Compatible oscillators are [[1208-C]], [[1209-C]], [[1209-CL]], [[1211-C]], [[1215-C]], [[1330-A]], [[1304-B]], [[1210-C]], [[1360-B]], and [[1361-A]]. | |||
==Specifications== | ==Specifications== | ||
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==Links== | ==Links== | ||
* [[Media:GR Exp 908-P1_P2 11_1954.pdf|Experimenter describing Type 908-P1 | * [[Media:GR Exp 908-P1_P2 11_1954.pdf|Experimenter November 1954 describing Type 908-P1]] | ||
* [[Media:GR Exp Dial Drives 08_1956.pdf|Experimenter describing | * [[Media:GR Exp Dial Drives 08_1956.pdf|Experimenter August 1956 describing Synchronous Dial Drives]] | ||
* [[Media:GR Exp X-Y Plotting Sweep Drives 12_1956.pdf|Experimenter December 1956 describing X-Y Plotting Sweep Drives]] | |||
==Photos== | ==Photos== | ||
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GR 908-P1 Rear.jpg | GR 908-P1 Rear.jpg | ||
GR 908-P1 Right.jpg | GR 908-P1 Right.jpg | ||
GR Dial Drives Catalog S Gray. | GR Dial Drives Catalog S Gray.jpg | ||
</gallery> | </gallery> | ||
[[Category:Recorders and Dial Drives]] | [[Category:Recorders and Dial Drives]] | ||
Latest revision as of 05:22, 28 April 2024
The General Radio 908-P1 Synchronous Dial Drive was introduced in Catalog O (1956) and remained available through Catalog S (1965).
It is a synchronous dial drive with a pinion speed of 4 rpm. Its function is to sweep the dial of the attached instrument at a constant speed synchronously with a 1521-A Graphic Recorder.
Applications include plotting amplitude vs. frequency.
The Type 908-P1 features two sets of attaching screws for instruments with Type 908 and 907 dial mechanisms. The 908-P1 is self-reversing when it encounters a mechanical stop.
Compatible oscillators are 1208-C, 1209-C, 1209-CL, 1211-C, 1215-C, 1330-A, 1304-B, 1210-C, 1360-B, and 1361-A.
Specifications
- Drive Speed: 4 RPM
- 908 Dial Speed: 4/15 RPM or 225 seconds per revolution
- 907 Dial Speed: 4/10 RPM or 150 seconds per revolution
- Torque at Pinion: 5 inch-ounces
Links
- Experimenter November 1954 describing Type 908-P1
- Experimenter August 1956 describing Synchronous Dial Drives
- Experimenter December 1956 describing X-Y Plotting Sweep Drives
