sh1pman Posted December 26, 2017 Share Posted December 26, 2017 (edited) The Isp on vacuum raptors seems low-ish. Edited December 26, 2017 by sh1pman Link to comment Share on other sites More sharing options...
NSEP Posted December 26, 2017 Share Posted December 26, 2017 1 minute ago, sh1pman said: @NSEP The Isp on vacuum raptors seems low-ish. The ISP in @harrisjosh2711 mod is 345 but the real ISP is 375. So i do have the change that. 345 and 375 are pretty high to me. Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 26, 2017 Author Share Posted December 26, 2017 2 minutes ago, sh1pman said: @NSEP The Isp on vacuum raptors seems low-ish. I think you may have @ the wrong person maybe. The ISP is 345 for balance reasons and if you seen the pic when it was 145 that was a mistake. I changed it now Link to comment Share on other sites More sharing options...
sh1pman Posted December 26, 2017 Share Posted December 26, 2017 (edited) 5 minutes ago, harrisjosh2711 said: I think you may have @ the wrong person maybe. The ISP is 345 for balance reasons and if you seen the pic when it was 145 that was a mistake. I changed it now Yea, it was meant for you I mean Raptor is a high tech 300-bar methalox engine, it should be at least a little bit more efficient than Poodle. Edited December 26, 2017 by sh1pman Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 26, 2017 Author Share Posted December 26, 2017 (edited) 10 minutes ago, sh1pman said: Yea, it was meant for you I mean Raptor is a high tech 300-bar methalox engine, it should be at least a little more efficient than Poodle. Yea, I need to re-balance everything. Its actually far to overpowered for stock KSP. The ISP is 345 because its not currently configured to fly in real solar system. Edited December 26, 2017 by harrisjosh2711 Link to comment Share on other sites More sharing options...
sh1pman Posted December 26, 2017 Share Posted December 26, 2017 (edited) 4 minutes ago, harrisjosh2711 said: Yea, I need to re-balance everything. Its actually far to overpowered for stock KSP. The ISP is 345 because its not currently configured to fly in real solar system. Maybe maybe it’s ok if BFR is overpowered, I mean, it will be very overpowered in real life compared to everything else! Edited December 26, 2017 by sh1pman Link to comment Share on other sites More sharing options...
PB666 Posted December 26, 2017 Share Posted December 26, 2017 9 minutes ago, sh1pman said: Yea, it was meant for you I mean Raptor is a high tech 300-bar methalox engine, it should be at least a little bit more efficient than Poodle. A low thrust, a non-turbopumped engine with a fairly long nozzle can develop and exhaust velocity close to 4000 if there is perfect conversion to work, as you turbopump the engine to increase thrust you have to spoil part of the power for the turbo pump. In addition the engines run oxygen rich, they do this to increase ISP but also protect the bell housing from heat, this retrieves some of the heat but increases exhaust mass. 375 is a decent ISP for a moderate size space engine it would be on the high side for a powerful engine (such as a lift-off engine). Link to comment Share on other sites More sharing options...
sh1pman Posted December 26, 2017 Share Posted December 26, 2017 1 minute ago, PB666 said: A low thrust, a non-turbopumped engine with a fairly long nozzle can develop and exhaust velocity close to 4000 if there is perfect conversion to work, as you turbopump the engine to increase thrust you have to spoil part of the power for the turbo pump. In addition the engines run oxygen rich, they do this to increase ISP but also protect the bell housing from heat, this retrieves some of the heat but increases exhaust mass. 375 is a decent ISP for a moderate size space engine it would be on the high side for a powerful engine (such as a lift-off engine). I’m thinking 355 for vacuum Raptor in stock should be about right. It can be balanced with high cost and weight. Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 26, 2017 Author Share Posted December 26, 2017 (edited) 1 hour ago, eskimo22 said: I don't have those configs, i clicked "replace" on all of the files without knowing that the configs are broken Ok. First- Delete old JNH file from gamedata folder and install the new one. Its always good practice to delete an old update before you install a new one. Not saying you have to but its good practice. With the new update having .dds textures now, you need to delete the old one and install the new one. Second- Download this old release. https://github.com/jharri74/Dragon2/releases/tag/1.261 Third- open the JNH file inside this old release and copy the kerbalizedtweakscale.cfg inside it. Go to your newly installed JNH folder and paste this into here. Click replace. I would delete the old one before just to be sure but you don't have to. fouth- open the cfg. you just placed into your newly installed JNH file and paste the spoiler a gave you earlier at the very bottom. Click save If you need anymore assistance after this write me a PM and I will help you. Edited December 26, 2017 by harrisjosh2711 Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 26, 2017 Author Share Posted December 26, 2017 16 minutes ago, sh1pman said: I’m thinking 355 for vacuum Raptor in stock should be about right. It can be balanced with high cost and weight. If you want to talk about that go to my forum. Its a bit off-topic here.... Don't want to get into trouble Link to comment Share on other sites More sharing options...
PB666 Posted December 26, 2017 Share Posted December 26, 2017 48 minutes ago, harrisjosh2711 said: If you want to talk about that go to my forum. Its a bit off-topic here.... Don't want to get into trouble Its not off-topic, this is exactly what we want. . . . .I have been investigating mixture ratios. Will get back on the answer. Link to comment Share on other sites More sharing options...
eskimo22 Posted December 26, 2017 Share Posted December 26, 2017 (edited) Not a huge issue, there is a typo on the spacedock.info page, it says that the ISP (Vac) of the BFR vacuum engines is 145 seconds; on the screenshot near the top of page 33, it says that it is 345, which makes more sense. Edited December 26, 2017 by eskimo22 Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 27, 2017 Author Share Posted December 27, 2017 2 hours ago, eskimo22 said: Not a huge issue, there is a typo on the spacedock.info page, it says that the ISP (Vac) of the BFR vacuum engines is 145 seconds; on the screenshot near the top of page 33, it says that it is 345, which makes more sense. Thanks for reminding me. I fixed the picture earlier but I haven't changed the ones at spacedock or curse yet. Link to comment Share on other sites More sharing options...
JeffreyCor Posted December 27, 2017 Share Posted December 27, 2017 This is looking really great! a possible very serious contender with Tundra. Wish it had support for TAC-LS an an option but all things in time I'm sure. Link to comment Share on other sites More sharing options...
softweir Posted December 27, 2017 Share Posted December 27, 2017 16 hours ago, PB666 said: Its not off-topic, this is exactly what we want. . . . .I have been investigating mixture ratios. Will get back on the answer. Yes, it was off-topic. Which is why I have had to move it all. Sorry if it's made a mess of the thread, but that's what happens when people start to talk about mods outside of the mod's thread! Link to comment Share on other sites More sharing options...
eskimo22 Posted December 27, 2017 Share Posted December 27, 2017 (edited) 12 hours ago, JeffreyCor said: This is looking really great! a possible very serious contender with Tundra. Wish it had support for TAC-LS an an option but all things in time I'm sure. Indeed it is, Tundra's dragon capsule is better, but JNH's BFR is better. JNH's Dragon 2 and falcon 9 is 3.75m wide, which makes it almost exactly real scale. Tundra's BFR is just too small and I don't like the nose heat shield design, and it has no IVA. Edited December 27, 2017 by eskimo22 Link to comment Share on other sites More sharing options...
Damon Posted December 28, 2017 Share Posted December 28, 2017 7 hours ago, eskimo22 said: Indeed it is, Tundra's dragon capsule is better, but JNH's BFR is better. JNH's Dragon 2 and falcon 9 is 3.75m wide, which makes it almost exactly real scale. Tundra's BFR is just too small and I don't like the nose heat shield design, and it has no IVA. Link to comment Share on other sites More sharing options...
eskimo22 Posted December 28, 2017 Share Posted December 28, 2017 (edited) A cool trick that I found is that you can fit two large drills inside of the bottom of the BFR near the engines. A large drill can fit next to the engines, even while fully extended. Edited December 28, 2017 by eskimo22 Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 28, 2017 Author Share Posted December 28, 2017 29 minutes ago, eskimo22 said: A cool trick that I found is that you can fit two large drills inside of the bottom of the BFR near the engines. A large drill can fit next to the engines, even while fully extended. Cool. Post a screen shot if you don't mind. I have been pondering a way to make a in-situ system for the BFR. Link to comment Share on other sites More sharing options...
eskimo22 Posted December 28, 2017 Share Posted December 28, 2017 (edited) I clipped the ISRU (convert-O-tron 125) and some ore tanks into the area between the crew cabin and the docking port (where a service bay is on the real BFR). Edited December 28, 2017 by eskimo22 Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 28, 2017 Author Share Posted December 28, 2017 40 minutes ago, eskimo22 said: I clipped the ISRU (convert-O-tron 125) and some ore tanks into the area between the crew cabin and the docking port (where a service bay is on the real BFR). The pic don't work. You have to upload it online than you just paste the web address. I use flickr. Link to comment Share on other sites More sharing options...
eskimo22 Posted December 28, 2017 Share Posted December 28, 2017 @harrisjosh2711 https://www.flickr.com/photos/155337904@N08/39323887442/in/photolist-22UVcHm Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 28, 2017 Author Share Posted December 28, 2017 21 minutes ago, eskimo22 said: @harrisjosh2711 https://www.flickr.com/photos/155337904@N08/39323887442/in/photolist-22UVcHm Cool. Wonder if I should make a expendable ore tank that can fit in the BFR tale...? Link to comment Share on other sites More sharing options...
harrisjosh2711 Posted December 28, 2017 Author Share Posted December 28, 2017 (edited) Made sure the first part of the animation for my new solar panels are working last night. Going to make them a little bit wider and start working on rigging the actual solar panels inside the bars to fold. Hopefully it doesn't give me to big a hassle. The textures are just for testing on this one. Edited December 28, 2017 by harrisjosh2711 Link to comment Share on other sites More sharing options...
eskimo22 Posted December 28, 2017 Share Posted December 28, 2017 (edited) @harrisjosh2711 And will the solar panels look like this? http://www.spacex.com/mars 4 hours ago, harrisjosh2711 said: Cool. Wonder if I should make a expendable ore tank that can fit in the BFR tale...? What I would recommend (if possible) would be to have a cargo/service bay between the fuel tanks and the crew cabin, just like in the real BFR. I clipped the ISRU and ore tanks into that area, where a service/cargo bay would be (I also put radar and ammunition there). Edited December 28, 2017 by eskimo22 Link to comment Share on other sites More sharing options...
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