cm0002@lemmy.world to [Dormant] moved to !space@mander.xyz@lemmy.world · 3 kuukautta sittenGiant catapult sends satellites into space without rocket fuelwww.thebrighterside.newsexternal-linkmessage-square72fedilinkarrow-up1156arrow-down169
arrow-up187arrow-down1external-linkGiant catapult sends satellites into space without rocket fuelwww.thebrighterside.newscm0002@lemmy.world to [Dormant] moved to !space@mander.xyz@lemmy.world · 3 kuukautta sittenmessage-square72fedilink
minus-squareJohnDClay@sh.itjust.workslinkfedilinkarrow-up14·3 kuukautta sittenYeah, this is just a first stage replacement. You still need a rocket to get most of the way into orbit.
minus-squareNobodyElse@sh.itjust.workslinkfedilinkarrow-up9·3 kuukautta sittenThe first stage counts for the bulk of the fuel and total mass, so this would still be a big deal.
minus-squareJohnDClay@sh.itjust.workslinkfedilinkarrow-up6·3 kuukautta sittenYeah definitely. The way the rocket equation works out, the second stage gives most of the Delta V, but the first stage needs to be much bigger because it needs to lift itself and the second stage.
Yeah, this is just a first stage replacement. You still need a rocket to get most of the way into orbit.
The first stage counts for the bulk of the fuel and total mass, so this would still be a big deal.
Yeah definitely. The way the rocket equation works out, the second stage gives most of the Delta V, but the first stage needs to be much bigger because it needs to lift itself and the second stage.