History of aicraft piston engines

Report 2 43 in n aca 12th annual report 1926 1927 p p

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Unformatted text preview: 11th Annual Report, 1925 W ARE, MARSDEN. D escription a nd l aboratory tests of a R oots type aircraft engine supercharger. Report 230 in N ACA, 11th Annual Report, 1925 ( 1926), pp. 4 51-561, illus., d iagrs., graph data. S PARROW, STANWOOD W . F uels for h igh-compression engines. Report 232 in N ACA, 11th Annual Report, 1925 ( 1926), p p. 4 83-500, graph data. Partly historical, very descriptive; includes bibl. of 36 i tems. 12th Annual Report, 1926 P ATON, C . R., and K EMPER, CARLTON. P ower output and air requirements of a two- stroke cycle engine for a eronautical use. Report 2 39 in N ACA, 12th Annual Report, 1926 ( 1927), p p 1 81-189, graph data, bibl. of 8 i tems. B RODE, R . B., R ANDOLPH, D . W., and S ILSBEE, F . B. Electrical characteristics of spark g enerators for a utomotive ignition. Report 241 in N ACA, 12th Annual Report, 1926 ( 1927), p p. 2 69-293, graph data, bibl. of 17 i tems. 126 G ARDINER, ARTHUR W . A p reliminary study of fuel injection a nd c ompression ignition a s applied t o an a ircraft cylinder. Report 2 43 in N ACA, 12th Annual Report 1926 ( 1927), p p . 3 13-326, illus., drgs., diagrs., graph data, bibl. of 4 i tems. W A R E , MARSDEN. D escription of t he N.A.C.A. universal test engine a nd s ome test results. R eport 2 50 i n NACA, 12th Antdial Report, 1926(1927), p p. 4 69-481, illus., drgs., graph d ata, bibl. of 4 i tems. Equipment for s ingle-cylinder research. G OVE, W . D ., and G REEN, M . W . T h e d irect measurement of e ngine power o n an a irplane i n flight with a h ug-type dynamometer. Report 252 i n N ACA, 12th Annual Report, 1926 ( 1927), p p . 5 05-513, i llus., drgs., graph data, bibl. of 4 i tems. E arly attempt t o m easure engine torque i n flight. Some late radial engines have t orque meters incorporated i n t heir reduction gear. 13th Annual Report, 1927 S MITH, R . H . R esistance a nd c ooling power of v arious radiators. Report 261 i n N ACA, 13th Annual Report, 1927 ( 1928), p p. 1 63-176, illus., graph a nd tab. d ata. bibl. of 4 i tems. J OACHIM, W . F., and B EARDSLEY, E . G. F actors i n the d esign of c entrifugal type injection v alves for oil e ngines. Report 268 i n N ACA, 13th Annual Report, 1927 ( 1928), p p . 2 67-279, illus., graph data, bibl. of 8 i tems. G ARDINER, ARTHUR W ., and W HEDON, WILLIAM E . T h e r elative performance obtained w ith several methods of c ontrol of an o ver-compressed engine using gasoline. R eport 272 i n N ACA, 13th Annual Report, 1927 ( 1928), p p. 3 29-339, d rgs., diagrs., g raph data, bibl. of 10 i tems. T h e G erman B M W and M aybach engines of 1917 w ere overcompressed engines, that is, the c ompression ratio w as t oo h igh for fullthrottle operation a t sea level. M ARVIN, CHARLES F ., J R . C ombustion time i n the e ngine cylinder a nd its effect o n e ngine p erformance. Report 276 i n N ACA, 13th Annual Report, 1927 ( 1928), p p . 3 93-406, g raph data. G ARDINER, ARTHUR W ., and S CHEY, OSCAR W . T h e comparative performance of an...
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