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Hello Tomo Pauk,
What you are stating is not really in agreement with what I have found elsewhere though the numbers you are quoting are fairly close.
There were other engines between the R-2800-21 found on the very early D and the R-2800-59 installed initially in the D-20 at a lower power rating than the R-2800-59 installed in the D-25 onwards. What I am looking for are the differences between the D-23 and D-25.
Although their Military Ratings are the same, the Take-Off Ratings are different and the SEFC should indicate the differences which is why I am looking for it. The T-O Rating is typically also 15 minutes duration which seems to make it functionally the equivalent of a Military Rating at Sea Level.
Just for clarification, as I am sure that Tomo knows this, the chart is for the 14R engine which was much more heavily constructed than the K and included a center bearing on the Crankshaft.
Hi Tomo,Oldie but a goldie - data sheets for the different DB 605 versions:
1 ata is worth about 14.5 psi.Is there something going to +25 psi by any chance?
Also, very curious, what's the PS rating for the BMW-801D-2 derated to 1.35 ata?
Good to post these! However, it should be noted that the first 11 sheets of data there are a post-war resume of DB engines compiled for the info of the Allied investigation teams. Those sheets are simplistic in parts and not original data. But, the other "Leistungsblatt" sheets are original detailed DB briefing sheets for the engines at the stated dates and issue numbers, some of which are unfortunately missing.Oldie but a goldie - data sheets for the different DB 605 versions:
It goes without saying that I'd be grateful for any original doc people can provide here (or at some another place on-line)Good to post these! However, it should be noted that the first 11 sheets of data there are a post-war resume of DB engines compiled for the info of the Allied investigation teams. Those sheets are simplistic in parts and not original data. But, the other "Leistungsblatt" sheets are original detailed DB briefing sheets for the engines at the stated dates and issue numbers, some of which are unfortunately missing.
Eng
Thank You very much for posting this Tomo!Once the DB 603 is debugged and a big S/C is installed instead of the one with 280mm impeller: a 603E materialzes:View attachment 701451View attachment 701452View attachment 701453View attachment 701454
MW30: 30% of methanol. EW50: 50% of ethanol instead of methanol. EW30: 30% of ethanol (can't be used on this engine, per 2nd pic)