KR> compression check, service ceiling

2009-11-26 Thread ttcse/Tom
17,000' is impressive.  I wonder if it's the very first time a corvair motor has ever operated at that altitude.   "I decided to go all the way to 17,000' and get a climb rate number (and yes, I did have oxygen).  For the last 500' (16,500 to 17,000), the average was 230 ft/min, so the service c

KR> compression check, service ceiling

2009-11-22 Thread Mark Langford
NetHeads, I checked my compression yesterday, just for checkup purposes. First I did the usual automotive type test, and most are right around 170 psi, with one exception...191psi on number 5. I guess there's a buildup in there of some kind. My engine has a 9.4:1 compression ratio. I then I d