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Possible custom jet engine change

#1
Custom jet engines have some weird quirks, related to fuel/ammo changes they could get an overhaul.

Base mechanics
  • Large/small combusters use 7.5/1.5 fuel/second and give 10000/1500 base thrust
  • Compressors improve thrust provided by each fuel burned: THRUST_MULTIPLIER = 1 + COMPRESSOR_COUNT / (COMPRESSOR_COUNT + COMBUSTER_COUNT). An example: you get 50% free thrust with 1:1 compressor/combuster ratio
  • Air intake is mandatory, and only the first one provides any benefit
  • Air intake drag reduced to 10% (equivalent of 9x4m slopes)
  • Air intake needs complete 3x3 (1x1 for small) clearance. If any of that is blocked it'll choke the engine, proportionally reducing both thrust output and fuel use
  • Jet exhaust provides 10% free thrust/fuel, additive with everything else
  • Rearmost combuster or exhaust needs full 3x3 (1x1) clearance, otherwise chokes just like air intakes

Addons
  • Air intake addons also need full clearance, they provide 5% free thrust/fuel each(additive with compressor bonus)
  • Large non-intake addons count as 1/10 of a full block
  • Small non-intake addons count as 1/5 of a full block

Costs
  • Intakes, controllers and combusters 200/30 materials for large/small
  • Compressors and exhausts 400/60
  • Air intake addons 200/30
  • Compressor addons 50/15
  • Combuster addons 25/7.5


Results
  • CJEs are more compact and much better at small sizes
  • Single longish ones do not accelerate 200m full HA battleships from 0 to 100 in 3 seconds
  • Cheaper and much more power dense than plain jets
  • Fuel costs down, but still well above what plain jets with efficient engines get
  • Small CJEs are more compact, but also less efficient
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Messages In This Thread
Possible custom jet engine change - by draba - 2019-10-04, 11:18 PM
RE: Possible custom jet engine change - by draba - 2019-10-04, 11:39 PM
RE: Possible custom jet engine change - by Skyer - 2019-10-05, 12:42 AM
RE: Possible custom jet engine change - by draba - 2019-10-05, 08:51 AM
RE: Possible custom jet engine change - by Chaos - 2019-10-05, 08:17 PM

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