The V-22 Osprey
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Can you imagine the precessional force on the rotors/props when they rotate the engines? I bet those rotor bearings take a beating!
F-106A/B '69-'73
F-105D/F '73-'81
A-7D/K '81-'91
F-16C/D '91-'05
SCUBA bum '05-Present
F-105D/F '73-'81
A-7D/K '81-'91
F-16C/D '91-'05
SCUBA bum '05-Present
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I hadn't thought of that, but ! Yeah, it's not just the rotor bearings - the entire engine mounts have to take a real beating...
No plane on Sunday, maybe be one come Monday...
www.parrotheadjeff.com
www.parrotheadjeff.com
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Waaaaaay back in the "good ole days" when Nieuports and Camels and Fokkers had rotary engines, they would tend to climb when turned to the left and tend to dive when turned to the right. I'm assuming that the prop turned clockwise when viewed from the cockpit, just like american planes do. This is all due to the huge precessional force from that rotating engine.
F-106A/B '69-'73
F-105D/F '73-'81
A-7D/K '81-'91
F-16C/D '91-'05
SCUBA bum '05-Present
F-105D/F '73-'81
A-7D/K '81-'91
F-16C/D '91-'05
SCUBA bum '05-Present
Not only that they turned significantly tighter (left?) so most breaks were left. Good pilots would anticipate that and lead turn them before taking the first shot that alerted them to his presence
Roscoe
F-16 Program Manager
USAF Test Pilot School 92A
"It's time to get medieval, I'm goin' in for guns" - Dos Gringos
F-16 Program Manager
USAF Test Pilot School 92A
"It's time to get medieval, I'm goin' in for guns" - Dos Gringos
Can't blame Bell entirely, as much as I would like to. Between DOD trying to kill it multiple times (Osprey is THE Congressional Pet Rock) and the services adding ridiculous requirements, this thing was bound to take forever.
FWIW, I am on the AFOTEC IOT&E test team as the lead for SIRFC (RF ECM package).
FWIW, I am on the AFOTEC IOT&E test team as the lead for SIRFC (RF ECM package).
Roscoe
F-16 Program Manager
USAF Test Pilot School 92A
"It's time to get medieval, I'm goin' in for guns" - Dos Gringos
F-16 Program Manager
USAF Test Pilot School 92A
"It's time to get medieval, I'm goin' in for guns" - Dos Gringos
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- Location: Fort Worth, Texas
To finish habu2's sentence,
so the local precessional torques are still there to affect bearings, engine mounts and such, but the left rotor and right rotor precessional torques cancel each other. Therefore the airplane does not experience the unwanted effects mentioned in previous posts.
so the local precessional torques are still there to affect bearings, engine mounts and such, but the left rotor and right rotor precessional torques cancel each other. Therefore the airplane does not experience the unwanted effects mentioned in previous posts.
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V-22 Osprey: A Flying Shame
Wednesday, Sep. 26, 2007 By MARK THOMPSON
Interesting read 8 pages...
http://www.time.com/time/nation/article ... -1,00.html
Wednesday, Sep. 26, 2007 By MARK THOMPSON
Interesting read 8 pages...
http://www.time.com/time/nation/article ... -1,00.html
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