Jump to content

grafspee

Members
  • Posts

    4835
  • Joined

  • Last visited

Everything posted by grafspee

  1. If you check temps do you also check carb air temp this one is important as oil temp in P-47 when flying at high power settings.
  2. Low pressure light is for fuel pressure inside main line which feeds carb, not for fuel tank. Fuel tank is unpressurized all the time during normal operation, and pressurize handle when switched On will pressurize fuel tank which in older Spitfires was way to prevent vapor lock in fuel system at high alt, but since our spitfire has electric fuel pump this handle is never to be used. Same with wobble pump it is just relic from older models, you can pressurize fuel system by turning fuel pump for couple seconds which i do because wobbling this pump is so annoying for me After startup turn fuel pump ON and all problems with fuel pressure will be gone.
  3. Those are stairs which US pilot uses everyday
  4. No way that US pilot would fit in spitfire
  5. Difficulty in controling boost via turbo comes from how turbo works. You need to build up enough exhaust pressure for turbine wheel so compressor wheel get enough rpm to build up boost, but once it happens MAP rises and exhaust gases pressure rises too this affect turbine wheel to spin even faster and so, you can call it a chain reaction. So to spin up turbo you need to move boost lever far but once it catch boost you have to retard boost lever immediately. Second thing is that DCS P-47 uses automatic turbo regulator which maintain exhaust back pressure within design limits, so this explains why MAP changes in climb or descent.
  6. I use left throttle lever in warthog hotas to control turbo and i am able to control boost via turbo with neurosurgeon precision.
  7. @Nealius Just like @Yo-Yo siad.
  8. @Mermoz If he used 50" MAP at 2300rpm the turbo rpm was lower then same MAP at 2700rpm. What he done, he over boosted engine, which leads to detonations or knock which damage pistons and engine died, nothing to do with blowing up turbo. Lower engine rpm mean lower turbo rpm for same MAP.
  9. @303_Kermit 50 MAP for 2300 rpm is way too much, for 50 MAP you need to have 2700rpm.
  10. So after all, when you touch 67 inch in P-51 death timer starts counting, this issue is old at least as my presence on this forum (2017) still not solved. Pretty much all P-51 manuals mention that after 5 to 10 hours of accumulated WEP engine is send to full teardown and inspection. But after at least 5h of accumulated WEP and still in DCS engine dies after single touch of WEP.
  11. In Dora power setting is only related to RPM According to the DCS manual everything below 3000rpm has unlimited time and 3250rpm 30 min limit. Not sure about time limits when Mw50 is engaged.
  12. Quite odd for me to have so much more ammo in 2 outboard guns compare to inboard 4 guns. After inner guns runs out , outboard guns still has ammo but fire power is reduced to 33%.
  13. @Coco22 It can't be matter of engine life time because 10min life time is way too short. It is rather matter of bug or miss managing engine.
  14. Single aircraft track with engine failure would be the best.
  15. Smoke from exhaust is more related to modern use of warbirds, during war time those engine when run daily were almost smoke less during start up, unless operated in cold temps during winters. So for now there are lots of more important things to do, but if ED decide to simulate this expect that those smoke won't be just fixed animation exactly the same no matter the condition during start up, cold engine, warm engine, priming , outside temp will matter. For me i rather have no smoke then fixed smoke every time i start engine.
  16. Third party may have different approach in engine modeling. So any code would be useless for them.
  17. @DishDoggie since cooling update, Auto cooling does job perfectly no need to go manual in flight.
  18. Take note that recent cooling upgrade, increased warming time on the ground some old habits may be harmful for engine now.
  19. Only thing i can think of is that you applied full power just after spawn, and game engine need time before engine simulation reach stable phase. Next time wait till temps stabilize and then change power.
  20. Both are capable of running engine at very high MAP w/o water injection so intense knock may happen. I can't tell that power loss due to knocking is modelled but engine damage due knocking is in sim for sure. Thing like engine over heat during knock i can't tell is it in game or not.
  21. Thing is that you won't hear knock in airplane, exhaust, propeller are just too loud. Fact that there is no sound for it in sound files proofs nothing.
  22. This is fuel consumption chart for spitfire merlin 66 As you can see data for +7 boost is unavailable for rpm below 2400. So conclusion is simple, no one operate those engines at +7 boost at low rpm or at least no tests were performed at those power settings so +7 boost at rpm 2400 and lower was considered as unhealthy for engine.
  23. Automatic boost regulator is preventing over boost but only at 3000 rpm, if you operate engine at lower rpm you need to respect engine limitation chart.
  24. 2000rpm but at what boost ?
×
×
  • Create New...