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  45 投票数 (4.76 平均) 和 4,339 查看次數  

/images/icons/csMagGlass.png 中等 / 大圖 / 全尺寸

N28YM

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Short final runway 23 , Naples Municipal . Enjoyed the wonderful sound of the Wright R-1820-9 , radial ..View in full mode .

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chalet
As all of your pictures: beautiful. Talk about the sound of the W R-1820 engine, why is it that a whole squadron of T-28s made up of say 12 elements do not match the deep strong throated and even intimidating sound of a single B-17. Yes, I know, the wings and to some extent the fuselage are diapason resonance boxes like in a piano but still, perhaps the turbochargers or exhaust manifolds are different or what. Thank you in advance for your comment.
jthyland
Nice. C had the tailhook and prop blades were cut shorter than B, for carrier decks.

R-1830 on the B-17 had 7 bigger cylinders than the 9 on the 1820, both had superchargers. Probably the speed, B-17's cruise of 170 kts required lots of power, not very slick. T-28 cruise of 230 kts was easy half power. That B-17 noise hung over you longer.
STEVEN FIELD
THOUGHT THOSE 1820'S WERE DASH 85W VERSION
chalet
@jthyland thanks for your comment but I beg to disagree: all of the variants of the 1820 had 9 cylinders, regardless the aircraft to which they were bolted on, from the B-17 on down to the T-28. And my question still remains unanswered: why the B-17 has such a different sound than the T-28.
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