Im constructing my own rocket engines (solid fuel) and they end up being similar to an Estes C motor. When I construct the nozzle end, how important is it to have an exit cone. Ive heard that 30 degrees is the most efficient, but what if you leave the exit hole just a borred hole? Is there any significant difference between the two (or any cone angle)? My engines work great, im just curious on the details. Thanx
2007-04-10 06:59:58 · 4 answers · asked by texcjb 2 in Science & Mathematics ➔ Astronomy & Space
You might get a marginal improvement if you can create a nice, parabolic output cone, but really - when dealing with engines that small, that's just an awful lot of work to go through for an additional 10 or 20 feet.
The bell-shaped nozzles really come into play when you're dealing with the exact amount of fuel & force needed to propell expensive satellites & spacecraft.
2007-04-10 07:22:16 · answer #1 · answered by quantumclaustrophobe 7 · 0⤊ 0⤋
The shape of the nozzle does have a major effect on the thrust. The right shape will give you a lot more. But I don't know the shape or the math to calculate it.
2007-04-10 08:00:37 · answer #2 · answered by campbelp2002 7 · 0⤊ 0⤋
No, until eventually eventually you're searching for spin, ( i particularly do no longer even imagine it really is going to upload spin, seeing because the gasoline is affixed to the rocket) this can do no longer some element to the optimal thrust of your rocket, except gradual it down by better functional length of the nozzle hollow.
2016-11-28 02:51:16 · answer #3 · answered by ? 3 · 0⤊ 0⤋
The cone, shapes the charge providing a boost of thrust and longer burn by allowing more back pressure to the combustion process.
2007-04-14 04:37:05 · answer #4 · answered by Anonymous · 0⤊ 0⤋