3/20/2021 0 Comments Fsx Cessna 182 Panel
There is no one size fits all approach, but this Accu-Sim Skylane will certainly help both pilots and sim enthusiasts learn better flying skills and engine management practices.So, what are the trades that we want a General Aviation (GA) aeroplane to be the master of Well, we want it to be fast, carry lots of fuel, people and baggage, climb well, stall gently, be easy to land and fly, be economical to operate and maintain, and generally be a safe and pleasant ride for us and our passengers thats a lot to ask of one aeroplane.After all, the physical world is based upon compromise and give and take; what is gained here is lost there, etc.
Because of this necessary compromise, when it comes to mastering all of these trades, virtually every aeroplane fails to make the grade. Some exhibit very high performance but are a handful to fly for the average pilot and others are as gentle as a puppy, but do not perform so well. That ubiquitous physical compromise is present in most instances. Consider that a Chevrolet big block in an early 70s Corvette is 454 cubic inches, a Skyhawks engine is either 320 or 360 cubic inches (like small automobile V-8). The Skylane engine is 541.5 cubic inches, which is bigger than the previously mentioned Chevy big block. I have the same engine in my Comanche, and you feel this 50 bigger engine under the hood, just rumbling and rattling, waiting to be opened up on takeoff. We expanded Accu-Sim to capture the more aggressive nature of operating such a nice and powerful GA engine. This was necessary to deliver the best experience when operating this new system. For example, many people dont realize that a 2-blade propeller will generally cruise faster than a 3-blade at all but the very highest altitudes (and Im talking where oxygen is required). ![]() The high cruise is just around 167 mph with a 3-blade, and around 170 mph with a 2-blade (keep in mind every plane will have slightly different cruise speeds, which speaks to the uniqueness of each airframe, engine, and prop). However, the 3-blade propeller will, in general, pull harder off the line and perform better in steep climbs. We also improved the modeling and sound of the propeller when it both flattens out and cuts into the air, which is most noticeable during prop checks on the ground. This is because some figures in the POH are calculated estimated. For example, in Accu-Sim, you can realize the benefits of flying at lower RPMs with higher manifold pressure, or over square (higher manifold pressure X 100 than RPM). Some pilots are still being told today that running a modern GA engine over square is bad, which is a technique recommended on some older, larger radial engines of the past. The fact is that most engines run better and more efficient at lower RPM and higher manifold pressure, rather than high RPM and low manifold pressure (just make sure you follow the guidelines in the pilots handbook for the airplane). Accu-Sim models this efficiency, and we confirmed this on our actual flight tests. So, you will be experiencing the same differences from the POH with Accu-Sim than with the actual airplane. You will also find yourself thinking hard about your mixture, how it affects your cruise performance, temperatures, economy, etc., just like in the real aircraft. ![]() Also, some engines require you to avoid certain power settings RPM ranges due to vibration and balance issues.
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