3 ms·
The thrust-to-weight ratio of an empty Falcon 9 is far too high to hover. Burn the engines too long and it'll just ascent again.
by Denvercoder9 12y ago
The thrust-to-weight ratio of an empty Falcon 9 is far too high to hover. Burn the engines too long and it'll just ascent again.
- Intermernet 12y agoI wonder how feasible / useful it would be to have realtime best-guess altitude from accelerometers / bouys / laser line-of-site relays etc to give the rocket up to date info to adjust thrust / vector to the drone-ship. Or do they already do this?
- jccooper 12y agoAlmost certainly they have really good GPS and inertial sensors on both. That should be enough. Any line of sight like laser or visual can't be trusted due to weather.
- mhandley 12y agoTheir F9R test vehicle could hover. Isn't that essentially a mockup Falcon 9 first stage, but with only the centre engine? https://www.youtube.com/watch?v=ZwwS4YOTbbw https://www.youtube.com/watch?v=ZwwS4YOTbbw