[TenTec] boost mobile voltage?

Bob Stephens bstephens1 at mindspring.com
Tue Apr 19 07:54:19 EDT 2005


I thinking of getting a W4RRY battery booster for my mobile/portable work.

The problem:
          1.The 50 watt (10 amp key down) Scout will not work properly with 
the engine off or with       the engine in idle. Among other things, the 
frequency becomes quite unstable during     transmit. However, the rig work 
fine when the car is in motion and the RPMs are up. The         Scout also 
works fine when used in a base station with regulated voltage.

         2. My Corsair has similar but less problems when operated in the 
car. It will not operate       properly with the engine off. Sometimes it 
will work ok with the engine on idle, but other      times it does not. I 
think this may have something to do with whether or not the 
electric       fan for the engine is on. It seems to me that the amount of 
load is a factor (?)

Meter readings:

         1. With the engine off, the battery shows 12.51 volts at the radio 
end of the cable.    However, if I transmit in SSB for 10 seconds and 
recheck the voltage , it drops down to 12      volts.

         2.The meter reads 14.2 volts when the engine is running.

conclusion?

I'm guessing that my car electric system is not delivering full power under 
load. Would the W4RRY booster be one way to solve the problem?

tnx & 73
Bob, KB1CIW

p.s.  tnx to those who helped me find the new site for W4RRY 
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