Posted by RN on January 03, 2013 at 16:18:15 from (18.104.22.168):
In Reply to: HP vs CC's posted by Ralphwd45 on January 03, 2013 at 10:53:36:
CC refers to cubic Centimeter-100cc is 6 cubic inchs and a hair-1000 cc is 61 cubic inchs. Old Briggs sidevalves were about 1 hp to 3/4 cubic inchs or 50/65cc. a 12 cubic inch or 200cc was 3.5 to 4 hp, the basic 14 cubic inch was the basic 5 hp at about 3200 rpm- or the 3 hp at 2400 rpm. Old 6 inch=100cc was 1hp 1600 rpm. The newer Harbor Frieght,etc are overhead valve and a little more power at somewhat higher rpm -6.5 for 212 cc means about 1hp for 2 cubic inchs but rating is 3600 or maybe 4000 rpm peak( handy for wood splitters) Figure 1hp per 50cc at 3000 rpm and adjust from there as a VERY rough guide for small engines. RN
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