Charles, sorry to hear about your damages. are you using air retracts? I have been fortunate not to have any problems with air units but I test them pretty thoroughly before committing them to flight. I soap test all connections and make sure they hold air for 24 hrs and will cycle at least 10 times on one tank of air at 100psi. Hope you get her back together soon. I didn't get much done the last month because of all the holiday stuffbut I'm going to get back at now hard. I want this baby DONE by spring.