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Hello Stona
one must remember that there were lot of 190As and Gs around in 45 and they needed C3 also the last recce planes.
Juha
banned but some gruppes ignored. none-the less, it was there in 44. look at the lists for Bodenplatte, units using 1,98 ata K's. They didn't magically appear on Jan 1st/45. Still waiting on your docs that show the 2000ps DB 605/ASCM wasn't available in Oct/44.A spec sheet dated Dec 1944. Did you forget that the use of 1.98ata was banned in Jan 1945?
Again, yes there was 2000ps. MW-30 increased the water to 69.5% and decreased methanol to 30%.This increased the cooling performance but made it easier to freeze, intended to be used for lower-altitude missions. EW-30 and EW-50 mixtures also existed, which substituted methanol with ethanol; in emergency, pure water could be used.It wasn't only the availability of C3 fuel but also the availability of MW50, No MW50, no 2000hp.
Yeah, seems the K-series 1,80ata sweet spot is from 3300-7100 meters (10171-23294 feet) where its faster then the P-51D-NAxx. Thanks.
This one is not 1,98ata.. it is without MW boost, some weird power setting on DC engine.. but 1,8ata.
This is 1,98ata, 2000 PS. 608 km/h sea level speed, this is 378
Does this aircraft have wing pylon for tanks under wings? Or without? I think without, this would explain.
I see lot of tests on this site, P-51 seem to vary very greatly from test.. other P-51D I see on site with 67 boost is 359 mph at SL..
I do not think weight effects top speed much.. otherwise P-47 would not even roll on tarmac There is chart on kurfurs site shows this.. somewhere.. very little influence from weight, drag item effect much greater.
The shortage of methanol severely restricted the production of munitions.
Hope they didn't drink it! Our neighbor, a tin can sailor (aboard the Laffey when it was attacked by kamikazes) said they would often launch torpedoes and they would just bob to the surface, the fuel, ethanol, having been consumed.I'm surprised they ran out of methanol. Mind you times were tough for German industry towards the end.
Cheers
Steve
Get back to you on thisWhat Gruppen ignored the 1.98ata ban?
I./JG 4 - 2 Bf 109K-4What K-4 Gruppen during Bodenplatte?
W.Nr. 130 297 well known/documented aircraftStill waiting for your proofs that the DB605ASCM was available in Oct 44.
On reading JG 11 JG 27 diaries, MW-50 was not the problem. Fuel shortage was the problem. Most times, they were being fueled for only 30mins of flight.It doesn't matter what 'boost juice' was used, it still had to be available.
The shortage of methanol severely restricted the production of munitions.
Yep I was vastly mistaken on the GM-1 aspect. W.Nr. 110 064 in question was built at Erla-Leipzig. BAL acceptance on 10 Jan, 1944., within 2 weeks it was either flown, or went by train to Erla-Antwerpn were it was refitted with a DB 605 ASMC engine. The GM-1 was retrofitted for MW-50. Pressure taken out, added the Erla canopy, added vents, etc. Its still classified as a Me 109G-5AS/U2. Thats what confused me, but its all clear now. =)Ratsel the GM-1 with the AS motor seems pointless and has been bugging me.
I've had a chance to do some digging and I don't believe that it was fitted. I've been in my loft and dug out various tomes and found some good pictures (Prien/Rodeicke's JGI history amongst others). When built in early 1944 this was a standard G-5. Erla-Leipzig would have fitted a DB 605 A engine at that time. Three months later,for some reason,maybe damaged,the aircraft is at Erla-Antwerp. When the AS motor was fitted a new hood was fitted. The 'odd' air scoops and ventilation flaps in the fuselage (cockpit) sides were put in as the pressurisation system was removed.
There is also a C3 fuel triangle which implies that the GM-1 system was converted to MW-50 at this time. Remember that G-6s were built with the GM-1 injector system with the express intention of conversion to MW-50. I've no idea what this makes this aircraft,presumably still a G-5 something or the other.
Cheers
Steve
Its still classified as a Me 109G-5AS/U2. Thats what confused me, but its all clear now. =)
look at the lists for Bodenplatte, units using 1,98 ata K's
I./JG 4 - 2 Bf 109K-4
III./JG 4 - 10 Bf 109K-4
IV./JG 4 - 7 Bf 109K-4
II./JG 11 - 4 Bf 109K-4
III./JG 26 - 13 Bf 109K-4
I./JG 27 - 14 Bf 109K-4
III./JG 27 - 15 Bf 109K-4
Stab JG 53 - 1 Bf 109K-4
I./JG 77 - 1 Bf 109K-4
III./JG 77 - 18 Bf 109K-4
total 85. They were not brand new deliveries on Jan 1st/45, thats for sure.
W.Nr. 130 297 well known/documented aircraft
At least one. ANyways documents show on Kurfurst's website on the operational status of /44 for 2000ps engines.All those were using 1.98ata? Sorry but history shows only a staffel size number of a/c were using 1.98ata at that time in II./JG11. This was an operational test unit for 1.98ata.
If you know what your looking at, look closely at the engine, you will see its an AS. the 2000ps big dog. Lots of threads on various forums about that a/c. Although never was it an official designation G-10/AS. Why this engine and not the DB605D? Becouse of production of the DB 605D was deleyed, and MOST went to the K-4 Mtt-Reg machines."Horst Petzschler, Bf 109G-10/AS Wnr.130297 Gelb 5 + 0297 (B/w spinner) JG51. Petzschler flew this a/c to Sweden. (Bf 109 at War) page 92."
This a/c had a DB605D engine.
At least one. ANyways documents show on Kurfurst's website on the operational status of /44 for 2000ps engines.
That is one huge leap of faith because one unit, the operational test unit was using 1.98ata, that all the rest were as well.
LInk?
If you know what your looking at, look closely at the engine, you will see its an AS. the 2000ps big dog. Lots of threads on various forums about that a/c. Although never was it an official designation G-10/AS. Why this engine and not the DB605D? Becouse of production of the DB 605D was deleyed, and MOST went to the K-4 Mtt-Reg machines.
Yes, Veltro, Rasmussin, Prein concluded a AS engine. But NO official G-10/AS designation from Messerschmitt. Search the forum and see for yourself.Since you like the that board, question the conclusion of the thread and question which engine.
Yes, Veltro, Rasmussin, Prein concluded a AS engine. But NO official G-10/AS designation from Messerschmitt. Search the forum and see for yourself.
wasn't my theory. that a/c was listed as a Me 109G-5AS/U2 for a lonnnnnng time. a whole buch of brilliant minds finally determined what it was. but anyways, debunk these:Ratsel what points of identity make you believe that the motor in 130297 is an AS? I would expect a D series motor in an aircraft in that block and in the one rather poor photograph I've found (so far) it looks like one.
I can't be arsed to start looking up and matching dates of engine production and airframes! If you'd like to provide the dates and data to back up your contention
"Why this engine and not the DB605D? Becouse of production of the DB 605D was deleyed,and MOST went to the K-4 Mtt-Reg machines."
I'm all ears.
I've spent half a day debunking your AS/GM-1 theory.
Just curious.
Cheers
Steve
Looking at all the P-51B/D test that was available and throwing out the high value and low value and "not reduced" values and averaging the rest (typical quad redundant digital flight control method of establishing a valid number), it appears that the P-51B/D average sea level airspeed using 67" Hg, which is equivalent to about 1650 hp, and with racks, is around 364 mph. If I indeed read the Kurfurst chart correctly, and I am sure someone will correct me if I didn't, then this is approximately the same airspeed as Bf-109K, using the production propeller, is doing at sea level with about 2000 hp being used.Does this aircraft have wing pylon for tanks under wings? Or without? I think without, this would explain. I see lot of tests on this site, P-51 seem to vary very greatly from test.. other P-51D I see on site with 67 boost is 359 mph at SL..