Protected: Rick Hellwig @fchellwig Active 5 years, 3 months ago Activity Profile Friends Groups Forums Media Topics Started Replies Created Engagements Favorites Search topics: Forum Topics Started Viewing 3 topics - 1 through 3 (of 3 total) Topic Voices Posts Last Post RPM decrease when advancing throttle. Started by: Rick Hellwig in: Ask the Gurus 2 2 5 years, 5 months ago Roscoe Rosché Southern California Grumman Mechanic Started by: Rick Hellwig in: Water Cooler 1 1 6 years, 6 months ago Rick Hellwig Tiger PRE-BUY Started by: Rick Hellwig in: Maintenance of Grummans 1 1 6 years, 6 months ago Rick Hellwig Viewing 3 topics - 1 through 3 (of 3 total)