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I own a cessna 340a ram 7 and would like to contribute the following facts; typical cruise speed at FL250 is 235-240TAS burning 40gph, egt's 1450, cht 340-350. Time to climb to FL250 is 21 minutes. Max gross departure weight is 6430 pounds leaving 2010 pounds of available loading. CG with pilot only and full fuel is within limits and at zero fuel CG would be slightly forward of limit. The amount is so small that a 38 pound bag in the aft cargo area will solve the concern. The 340 will perform on par with many turbo props for a fraction of the operating expense. On a recent trip from recurrent training we departed with 100-OC through a 9000' layer of icing to clear skys on top. Time to FL230 was 19 minutes and ground speed was 310 knots! Not too bad for a piston. Maintenance costs are not an issue if you operate and maintain the aircraft properly. I have never had to cancel a trip due to mechanical problems so far, (knock on wood) and I have owned the plane for more than 5 years. If anyone has any specific questions I will try to answer them.
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