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One problem is that towing speed of the ASDS is pretty slow. Around 5-8 mph. This means that to get 500 miles off shore, you need almost 100 hours of towing to get there, and 100 hours to get back.

That is a lot of time to pay staff, and ship usage. Also it reduces turnaround time if you need more time to get back and forth.

Of course, the longer at sea, the more damage the barge takes. On the way back, a short trip with a 140 foot tall structure on top of a bouncing barge is better than a longer trip. The chances of bad seas damaging something or just even big waves causing too much stress on the stage increases.

Clearly there is a tradeoff on payload, recovering at all vs expending, and so on.

SpaceX has been experimenting as discussed with many of these variables and will optimize to what makes sense, if you had all their data.

One problem is that towing speed of the ASDS is pretty slow. Around 5-8 mph. This means that to get 500 miles off shore, you need almost 100 hours of towing to get there, and 100 hours to get back.

That is a lot of time to pay staff, and ship usage. Also it reduces turnaround time if you need more time to get back and forth.

Clearly there is a tradeoff on payload, recovering at all vs expending, and so on.

SpaceX has been experimenting as discussed with many of these variables and will optimize to what makes sense, if you had all their data.

One problem is that towing speed of the ASDS is pretty slow. Around 5-8 mph. This means that to get 500 miles off shore, you need almost 100 hours of towing to get there, and 100 hours to get back.

That is a lot of time to pay staff, and ship usage. Also it reduces turnaround time if you need more time to get back and forth.

Of course, the longer at sea, the more damage the barge takes. On the way back, a short trip with a 140 foot tall structure on top of a bouncing barge is better than a longer trip. The chances of bad seas damaging something or just even big waves causing too much stress on the stage increases.

Clearly there is a tradeoff on payload, recovering at all vs expending, and so on.

SpaceX has been experimenting as discussed with many of these variables and will optimize to what makes sense, if you had all their data.

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source | link

One problem is that towing speed of the ASDS is pretty slow. Around 5-8 mph. This means that to get 500 miles off shore, you need almost 100 hours of towing to get there, and 100 hours to get back.

That is a lot of time to pay staff, and ship usage. Also it reduces turnaround time if you need more time to get back and forth.

Clearly there is a tradeoff on payload, recovering at all vs expending, and so on.

SpaceX has been experimenting as discussed with many of these variables and will optimize to what makes sense, if you had all their data.