OpenRocket simulation altitude did not match up to actual launch on a J570 twice
I launched a Blue Tube ARR Blue Phenix 3inch on a Aerotech J570 on two different occasions. The first launch was to an altitude to 4,200 feet and the second launch went to 3,800 feet. The simulated altitude using Open Rocket said it would go 5,970 ft. The rocket weighs in at 84.6 oz. I have now idea why the altitudes did not match up. Both launches were during similar weather conditions. Is my Perfectflight altimeter not working properly or did I just listen to the beeps wrong?
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TRA: 13005 Level 3
NAR: 90265 Level 3