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| Variant B- 190 to 1725 KHz |
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| Variant unknown but frequency coverage differs just slightly - 200 to 1750 KHz. |
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| Variant 14D - 190 to 1750 KHz with panel shock mounts. |
The Lear ADF-14 radio compass was evaluated for use in the Canadian Avenger. Unless otherwise noted all photos in this document are by Charles Darby. Select this link for a schematic of of the ADF-14 tuner.
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| Variant B- 190 to 1725 KHz |
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| Variant unknown but frequency coverage differs just slightly - 200 to 1750 KHz. |
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| Variant 14D - 190 to 1750 KHz with panel shock mounts. |
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| Top view of tuner. |
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| Bottom view of tuner. |
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| End view of amplifier. The unit weighs 7.5 lbs. Power input 28VDC @ 3.7 amps. |
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| Top view of amplifier. The stencilling reads: When operated to an ambient temperature higher than 50°C this amplifier must be cooled with moving air. |
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| Side view of loop antenna mounted on the corrector strip. The corrector strip is used to electrically compensate for an ADF bearing error that is caused by the antenna effect of the aircraft fuselage. |
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| Top view of loop antenna and the compensator strip. |
Credits and References: 1) Charles Darby <mommut(at)internode.on.net>