Вот перевод немцем отчета Лерхе на английский. Он может и звучит не очень правильно по-английски, но то что Лерхе хотел сказать - получается понятнее.
Было бы здорово если бы здесь кто-то мог перевести дословно отчет прямо с немецкого на русский.
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Translated from
Hans-Werner Lerche
"Testpilot auf Beuteflugzeugen" ('Test Pilot on Prize Aircraft')
7th, revised edition 1999, Aviatic Verlag GmbH, Oberhaching
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E'Rechlin
Eval. No. 90014
Evaluation of the Russian fighter aircraft La 5 with double-row radial, fuel-injected engine M 82 FNW
Final Report
Page 1
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Br.B.No. ...../45 secret Br.B.No. 22470/45
Secret!

Summary

The La 5 has been greatly improved in comparison to earlier Russian fighter aircraft with regard to performance, properties and handling. The performance below 3 km has to be reckoned with. The top speed is lower than that of our fighters at all altitudes, the best climb at low altitude between 8-109 and 8-190. Especially for the 8-190 below 3 km altitude in climbing and turning, the La 5 is an opponent that has to be reckoned with. The handling deficiencies will hardly trouble the Russians who are used to worse characteristics. Range is short. Endurance at rated power ca. 40 min. Performance, properties and technical conclusions are stated.

Prepared: (H. W. Lerche) Fl. Haupting

Approved: [blank] Major und Kommandeur

Distribution:

TO beim RM, Chef TLR, KdE ) a.d.D.

Chef TLR/Fl E
Chef TLR/R?
Genst.Gen.Qu.6.Abt.
F?St. Ic Chef
F?St. Ic fr. L. Ost
GdJ
GdS
GdA
GdFl.Ausb.
Chef TBL/Fl E2
Versuchsverband O.L 2.Staffel

E'Stelle Re., E 2c
" E 2c
5 x " E 2 Beute
Forschungsf?hrung
DVL
Obb. Forschungsanst. O'gau
D.F. Friedrichshafen
Focke-Wulf, Bremen
EHAG, Wien
MKN,
B.& V., Hamburg
Ifa, Dessau

Rechlin, March 20 1945

The report features 4 pages of text.

Prepared:

..2.. Le/Li
Lerche, Haupting.

Approved:

Approved:

Read:

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E'Rechlin
Eval. No. 90014
Evaluation of the Russian fighter aircraft La 5 with double-row radial, fuel-injected engine M 82 FNW
Final Report
Page 2
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Aircraft data:

Weight empty equipped 2773 kg
Fuel (460 l) 354 kg
Lubricant (51 l) 46 kg
Ammunition (2x 200 rounds) 94 kg
Pilot 80 kg
Take-off weight 3347 kg

Weighing:

Left wheel 1437 kg
Right wheel 1484 kg
Tail wheel 426 kg
Take-off weight 3347 kg

Wing span 9.80 m
Area 17.5 m^2
Wing loading 191 kg/m^2
Take-off power 1850 HP

Armament: 2x 20 mm cannon with 200 rounds each
Armour:
To the front 57 mm armour glass windscreen
To the rear 68 mm armour glass as head protection and 7 mm back armour

Engine and airframe have already been thoroughly described in the reports of TLR/Ru. Performance stated is preliminary, detailed performance report is to follow.

1.) P e r f o r m a n c e

Rated power 1000 mm Hg (1.36 ata), 2400 rpm
Emergency power 1180 mm Hg (1.605 ata) 2500 rpm

Speed at
Emergency power (0 km) 520 km/h
Rated power (0 km) 490 km/h
Emergency power (1 km critical alt. ["Abfallh?he", literally "(pressure) drop altitude"]) 540 km/h
Rated power (2.4 km critical alt.) 540 km/h
Rated power (5 km critical alt.) 560 km/h
Rated power (6.5 km critical alt.) 545 km/h

Supercharger switching altitude (manually) 3500 m

Climb speed at

Rated power (0 - 3 km) 16 - 17 m/s
Rated power (4 km) 13 m/s
Rated power (7 km) 6 m/s
Ceiling 8 - 9 km

The engine must not be run at emergency power in supercharger high gear. Additionally, the critical altitudes are so low that full emergency power can't be reached either in climb or in horizontal flight with supercharger high gear engaged.

The aircraft was in immaculate condition. Flight hours are unknown, it has been operational for a longer time. The surface, especially of the wing (spar) is good, and the slats extending laterally to the front are fitting well.