BOATFIXERGUY Posted June 30, 2009 Report Share Posted June 30, 2009 For everyone that is opearting the Raven II, the FAA issued a bulletin today on possible vapor lock in temps over 100 degrees. Here's the link to the bulletin: http://www3.verticalgateway.com/portals/12...09/SW-09-36.pdf Be careful out there! Quote Link to comment Share on other sites More sharing options...
PhotoFlyer Posted June 30, 2009 Report Share Posted June 30, 2009 (edited) If vapor formation is suspected, we recommend that you decrease altitude... Decrease altitude? What good will that do? As far as I am aware a lower altitude will only expose you to higher temperatures. Unless, of course, you are flying above a temperature inversion. Does anybody actually read these things before they are published? If you suspect vapor formation, and the possibility of vapor lock, land. Period. P.S. Before anybody says it, unless you're several thousand feet AGL with a 100+ temp the air pressure change vs. air temp change isn't going to make that big of a difference. Edited June 30, 2009 by PhotoFlyer Quote Link to comment Share on other sites More sharing options...
RkyMtnHI Posted July 1, 2009 Report Share Posted July 1, 2009 first, i am still asleep so don't pay attention to this post. second, man does a 44 have TONS of power at sea level.. you guys flying there are so lucky. third, we flew at around 8k going and coming due to the temps; in the cockpit and for the engine. when we landed in Poteau Oklahoma the temp was 101F. felt like the heat hit us like a baseball bat. we knew about the notices from Robbie about the vapor lock and went to altitude quickly. it was a little odd, the oil temp went up just a little, but the cyl head temp dropped considerably at altitude. more on the trip when i wake up. dp Quote Link to comment Share on other sites More sharing options...
adam32 Posted July 1, 2009 Report Share Posted July 1, 2009 Reason #359 not to operate a Robbie Oh, and it was 111f here Sunday... Quote Link to comment Share on other sites More sharing options...
BOATFIXERGUY Posted July 1, 2009 Author Report Share Posted July 1, 2009 Reason #359 not to operate a Robbie Oh, and it was 111f here Sunday... I thought we were into the 700 range? Quote Link to comment Share on other sites More sharing options...
montu Posted July 1, 2009 Report Share Posted July 1, 2009 Reason #359 not to operate a Robbie Oh, and it was 111f here Sunday... HaHaHa!! Quote Link to comment Share on other sites More sharing options...
adam32 Posted July 1, 2009 Report Share Posted July 1, 2009 I thought we were into the 700 range? Could be...I lost count... Quote Link to comment Share on other sites More sharing options...
Goldy Posted July 2, 2009 Report Share Posted July 2, 2009 Could be...I lost count... Well, if you had taken a 300 to Oklahoma instead of a 44, you'd still be flying instead of being asleep in your bed !! Quote Link to comment Share on other sites More sharing options...
adam32 Posted July 2, 2009 Report Share Posted July 2, 2009 Well, if you had taken a 300 to Oklahoma instead of a 44, you'd still be flying instead of being asleep in your bed !! Touche... Quote Link to comment Share on other sites More sharing options...
rollthbns Posted July 2, 2009 Report Share Posted July 2, 2009 That one came out a last year too. Apparently in response to a ferry flight that mysteriously lost power in high temperatures. No love for the R44??? I am a 300 pilot and I like it. I think that stems from the conveinience of a governor and the fact that it is a lot faster. It autos nice too! Quote Link to comment Share on other sites More sharing options...
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