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Post by newageofpower on Jan 3, 2017 22:14:36 GMT
Pentane is pretty good. Pentane and methane are both viable for MPD/Resistojet flex drives. Not sure why people are talking about NTR/MPD dual propulsion though, surely MPD/Resistojet is much better? There's no need to enable both at the same time, so MPD/Resisto saves you the mass of having two different fission reactors. Warships. Current doctrine (in my own fleet) is to use MPD for strategic manouvers, then disable MPD to free up all those gigawatts for coils, rails and lasers, with heavy NTRs (~3G acceleration on most warships) enabled to prevent a 10-20 km/s hit from a KKV or NEFP; though banks of medium/small PD rails and coils on ignore range do pretty well at intercepting the incoming kill vehicle. EDIT: Also, the mass of a fission reactor is fairly low; it's the mass of the radiator assembly (especially with armor!) that's overwhelming. Since NTRs are basically open-cycle reactors, we save a huge amount on radiator mass. I find gigawatt-scale resistojets to be similar in mass to well-designed NTRs.
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Post by amimai on Jan 3, 2017 22:18:33 GMT
Usually I use MPD for travel (full reactor power) Micro NTR (manouvering) 3x large resistrojet (combat thrust)
Also pentane is atrocious for MPD when compared to methane, RP1 may actually be better MPD/NTR propellant but I have not tested RP1 NTR much to be sure
I'm of the same opinion to newage but I also occasionally flick the resistrojets on and off in combat to allow my ship to zipp around and dodge. also I am a fan of the side mounted thrusters so my rear mounted resistrojets when turned on give my boat the ability to perform emergency manoeuvres at right angles to its usual accelerate broadside combat doctrine!
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Post by David367th on Jan 3, 2017 22:23:35 GMT
When you use multiple engine types, are you still using a single propellant, or do you have a few?
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Post by newageofpower on Jan 3, 2017 22:25:24 GMT
When you use multiple engine types, are you still using a single propellant, or do you have a few? Using a single fuel type immensely simplifies logistics.
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Post by amimai on Jan 3, 2017 22:27:48 GMT
Yea most of the time I only use methane only my newest ships have diversified to use external tanks and neon/hydrogen though so that's a thing...
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Post by dragonkid11 on Jan 3, 2017 22:55:53 GMT
I only used alternative propellant on my drone like neon or methane which is already designed to be expendable.
Or on specialist design that can travel long journey with MPD, thus doesn't really need a fuel tanker.
Though I seriously need to upgrade my capital ship now that my drones are seriously beefed up with MPD/NTR drive.
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Post by Guest on Jan 4, 2017 3:41:26 GMT
I used an Ethanol (Ethane something) as a missile motor (stock engine + gimbals) and OH BOY, stripping to one engine and 11 tanks got me a burn-time of ~30 seconds and 6g's of acceleration, also like 2 or 3 K's of Delta V
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Post by Enderminion on Jan 4, 2017 3:45:52 GMT
I used an Ethanol (Ethane something) as a missile motor (stock engine + gimbals) and OH BOY, stripping to one engine and 11 tanks got me a burn-time of ~30 seconds and 6g's of acceleration, also like 2 or 3 K's of Delta V This was with 1.5cm of Basalt Fiber or the like and 48 20.5kg flak bombs
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Post by argonbalt on Jan 9, 2017 23:46:22 GMT
Speaking of multiple engines, have we figured out a way to mount multiple different engine types on a ship? I remember someone had a technique that involved space armour, but when i tried to implement it did not turn out so well. How are you guys getting this?
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Post by David367th on Jan 10, 2017 0:34:43 GMT
Speaking of multiple engines, have we figured out a way to mount multiple different engine types on a ship? I remember someone had a technique that involved space armour, but when i tried to implement it did not turn out so well. How are you guys getting this? If you have a group of 6 NTRs you can fix a group of smaller engines like MPDs in the middle of the ring.
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Post by argonbalt on Jan 10, 2017 0:35:45 GMT
Thanks! The update also mentioned multiple rocket staging what did it mean by that?
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Post by newageofpower on Jan 10, 2017 0:41:47 GMT
Thanks! The update also mentioned multiple rocket staging what did it mean by that? Today's rockets tend to be linearly (rather than Parallel) staged; when you discard the stage you also discard the rocket motor. Qswitched has a huge aversion to it and did not implement it in game; currently the only way to actually implement this is to launch your second stage as a payload of the first stage, incurring mass penalties from the launcher/ammo container setup.
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Post by argonbalt on Jan 10, 2017 0:50:02 GMT
Thanks! The update also mentioned multiple rocket staging what did it mean by that? Today's rockets tend to be linearly (rather than Parallel) staged; when you discard the stage you also discard the rocket motor. Qswitched has a huge aversion to it and did not implement it in game; currently the only way to actually implement this is to launch your second stage as a payload of the first stage, incurring mass penalties from the launcher/ammo container setup. OH yeah so it is still like that, i was the first one i saw on the forums posted about the whole stage separation thing, it was really fun making some ludicrously dangerous ships just to get them to split off their spent section.
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Post by midnightdreary on Jan 10, 2017 1:16:37 GMT
Warships. Current doctrine (in my own fleet) is to use MPD for strategic manouvers, then disable MPD to free up all those gigawatts for coils, rails and lasers, with heavy NTRs (~3G acceleration on most warships) enabled to prevent a 10-20 km/s hit from a KKV or NEFP; though banks of medium/small PD rails and coils on ignore range do pretty well at intercepting the incoming kill vehicle. <snip>Can you actually dodge KKV and missiles with 3g on a main warship? I tried doing that, but my higher performance KKV and missiles don't seem to miss very often, even with major combat burns. I opted for ~0.5g-1g on warships and just focused on shooting down the missiles and KKVs before they get to me.
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Post by Rocket Witch on Jan 10, 2017 2:07:52 GMT
Qswitched has a huge aversion to it [citation needed]
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