RocketBoy Aircraft Products
Parts and accessories for your Rocket or Homebuilt aircraft.
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RocketBoy Aircraft Products
Parts and accessories for your Rocket or Homebuilt aircraft. |
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Current version Airdata9a.exe As the performance evaluation is ongoing, something was needed to help make sense of the performance data coming in. Every flight seems to take place at a different temperature. This program takes temperature and other factors into account so the test pilot came come up with reasonable conclusions about his/her ships performance. Please note the software is still in development . There will be more change in the future. It ONLY works with Lycoming IO-540-D engines. This engine is a common 260 HP engine used by most Rockets. It will also work with the -C engines if you operate that engine at 2700 RPM as these two engines are identical except for the red line RPM rating and horsepower. The -C is 250 HP at 2575 RPM, the -D engine is 260 HP at 2700 RPM. To use this program you must download it. it is intended to run on most Windows based systems and requires the VBrun.DLL runtime libraries to be present in your system If you get a library error, you should visit the Microsoft website to download the files you need. After the program is running, you will enter pressure altitude, CAS (Calibrated airspeed) and observed outside air temp. Then enter the engine parameters. ONLY enter 260 HP, 2700 RPM, and 28.5" for rated Manifold pressure. This is because these engines are rated at 28.5" to generate 260 hp. If you've made any improvements to the induction system by using other injectors or tuning the air intakes system, you WILL see the horsepower improvements these modifications have mad. You should have an accurate manifold pressure gauge! You click on help to get a detailed help screen. Don't forget, this freeware is FOR ENTERTAINMENT purposes only. NEVER use this program for flight planning!
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"I
would like to die in my sleep like my father did, not in screaming terror,
like his passengers". |