Today's Message Index:
----------------------
 
     1. 09:43 PM - Hardwire an old ICOM IC-A21 handheld radio (David)
     2. 10:03 PM - Re: Hardwire an old ICOM IC-A21 handheld radio (Charlie England)
 
 
 

Message 1


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Time: 
09:43:48 PM PST US
From: 
David <websurfshop@gmail.com>
Subject: 
Hardwire an old ICOM IC-A21 handheld radio
      
      I would like to provide power to an older ICOM A21 handheld radio in my
      plane outfitted with an B&C SD-8, in the case of radio battery failure.
      The radio came with a wall plug AC to DC adapter that puts out 13.5v at
      1000mA.  How can I hardwire power to the radio and make sure it limits the
      current so I don't smoke my radio?  Can I just cut the cord off the AC-DC
      adapter and run it to a fuse block with a 1 amp fuse?
      
      Thanks,  David
      

Message 2


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Time: 
10:03:29 PM PST US
Subject: 
Re: Hardwire an old ICOM IC-A21 handheld radio
From: 
Charlie England <ceengland7@gmail.com>
      
      The radio will only draw the current it needs, as long as the voltage isn't
       too high=2E The fuse protects=C2- the wire=2E 1A fuse would be marginal,
       since you can expect the radio to draw somewhere near the design output cu
      rrent of the supply=2E 
      
      Cut the wire off the adapter, connect through a 2A
       fuse to the a/c bus=2E Or better, just buy the proper connector and some w
      ire, and keep the existing power supply intact=2E
      
      =81=A3Charlie
      =8B
      
      On Mar 30, 2018, 12:48 AM, at 12:48 AM, David <websurfshop@gmail=2Ecom
      > wrote:
      >I would like to provide power to an older ICOM A21 handheld radio
       in my
      >plane outfitted with an B&C SD-8, in the case of radio battery fail
      ure=2E
      >The radio came with a wall plug AC to DC adapter that puts out 13
      =2E5v at
      >1000mA=2E  How can I hardwire power to the radio and make sure it
       limits
      >the
      >current so I don't smoke my radio?  Can I just cut the cord o
      ff the
      >AC-DC
      >adapter and run it to a fuse block with a 1 amp fuse?
      >
      >Tha
      nks,  David
      








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