Mexicolder Usage Aboard CEILIDH

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Measurements
    Local time On Off % on    
  2100 167 283 37%   Thermostat set at 4-3/4
Freezer temperature 23-24 °F
Main box temperature 35 - 38 degrees °F
Vegetable box temperature 55 +/- °F
 
s/v ceilidh, Catalina 42, April 2004
    166 285 37%  
  0700 149 356 30%  
    151 362 29%  
  1115 177 341 34%  
    175 338 34%  
  1630 186 285 39%  
    196 302 39%  
  2015 184 320 37%  
    185 332 36%  
  0820 170 369 32%  
    168 375 31%  
  1300 207 326 39%  
  1800 210 309 40%  
  2030 195 336 37%  
  0815 189 379 33%  
  0730 204 487 30%  
  Average 181 340 35%    
    Mexicolder
averaged daily load

40.0 Amp-hr / day
(4.8 amp draw 35% of the time)

    Original Alder-Barbour
averaged daily load		 70 Amp-hr / day
 (6.0+ amp draw 50% of the time)

Measurement Notes: Box insulation improved to Mexicolder standards, freezer box 2-1/2 size. Ambient daily temperature cycle 70-88 degrees F. Hull side of box in sun from sunrise to noon. Evaporator (freezer) box and main box kept 1/2 to 3/4 full. Measurements in seconds & made with stopwatch over several days. System includes 2-inch PVC tubing runs with a circulation fan to a forward, larger, unimproved box used as vegetable cooler.

Original Alder-Barbour Notes: Old system started up at 7.0 amps for a few minutes then came down to around 6.1 amps for duration of cycle. Original Catalina box insulation. 65-75 Amp-hr/day agrees with daily observations on a Link 1000 battery monitoring system made in SF Bay California during summer and cruising Mexico in winter. System 5 years old and checked to specs in SF Bay by licensed technician before leaving for Mexico. Compressor seized in Zihuatenajo in December 2003.

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