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#72
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Ed Rasimus wrote:
I don't know how you old guys did it! Well done Ed...I can see why you're a successful author...hilarious... BTW, I liked your book...very interesting, the kind that's difficult to put down (even at 0400 local) -- -Gord. |
#73
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![]() The T-29, however, placed the levers on the wrong side of my chair and also put them in a cluster with a bunch of other levers with small colored balls on top and cryptic letters. Instead of nice simple engine limitations like a fixed exhaust gas temperature or maximum percent RPM, they gave me some sort of arcane formula that included not only RPM (which I understood) but manifold pressure (which I didn't) and in the case of the T-29, something called Torque Oil Pressure as well as mixture controls. Ed, you can't imagine how comforting those words are to the rest of us! all the best -- Dan Ford email: see the Warbird's Forum at www.warbirdforum.com and the Piper Cub Forum at www.pipercubforum.com |
#74
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![]() "Ed Rasimus" wrote in message ... On 18 Dec 2003 17:49:38 GMT, If Bush had not become president, the book would not be better or worse. I don't think it is a very good book, but the Bush anecdote is only a small part of the story. President or not, I think the book is marginal history, poorly written. I found the background on the development of post-isolationist Japan much more interesting. I wish I had the time to do more research to see how accurate he was. Glenn D. |
#75
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"Dudley Henriques" wrote:
"Gord Beaman" wrote in message .. . "Dudley Henriques" wrote --reams of obfuscation mercifully removed-- and let's not forget.......... "Bull ****! This is a constant speed prop. RPM is a set value. The RPM can be set at 3000 and the manifold pressure can be anywhere between 15 inches and 61 inches, and it's the manifold pressure combined with the set RPM that will determine the power.....NOT the RPM!!! Are you trying to tell me that the rotational (energy) of a propeller is the same at 15 inches as it is at 61?". -D Henriques Certainly...I've been telling you that for months...when are you going to believe it?... -- -Gord. Then you're saying this statement is correct? If that's so, and you have been "telling me this for months" why have you been posting it all this time without further comment? :-) That would make no sense at all to a sane person. CLEARLY the inference in posting this as it is with no further comment from you about it would be for the person reading it to come away with the impression that the statement is totally incorrect would it not? In fact, I can produce in your own words a post that states emphatically that this quote is incorrect. Why did you post it if it's correct? Do you simply wish to affirm it's truth ? Seems to me that if you wanted to use it in a negative context like you have been doing for about thirteen posts now, you would have added something about me not knowing this was correct until you had to tell me each time you posted it. That would make sense Gordo!!! :-) But you haven't done that have you Gordo? You just put it out there word for word without comment didn't you; and now you're saying it's correct....and that's EXACTLY what you have just posted above. "Certainly" you said, I've been telling you this for months.....when am I going to believe it" Well, let me put your mind at ease at least. I believe it! In fact, I believed it all along......even before you barged in with your lecture on rotational velocity. How do you get out of this one Gordo? Is the statement correct or incorrect? And if it's correct, how do you explain "teaching" someone about something that they obviously already knew WAS correct, since your "lecture" came AFTER the statement was made! :-) Your move chess player!! This ought to be good. At least make it good will you. I'm saving these "exchanges" of ours for my grandchildren to read over the holidays. -)))) Dudley Henriques International Fighter Pilots Fellowship Commercial Pilot/ CFI Retired For personal email, please replace the z's with e's. dhenriquesATzarthlinkDOTnzt Poor dude...you're really having trouble with your reading comprehension aren't you?. Calling that 'sig' that I use occasionally a 'statement' when it's really about three statements, an expletive and a question. I suppose that I could break it down and teach you something about props but why bother?. yawn -Gord. "You are completely focused on RPM as the single factor producing rotational velocity" -Dude Henrickles |
#76
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![]() "Gord Beaman" wrote in message ... -Gord. "You are completely focused on RPM as the single factor producing rotational velocity" -Dude Henrickles ..........whereas the high rpm governor limit, impossible to eliminate from the equation for the purpose of establishing seizure momentum as power is reduced , (and thus affecting the rpm) is the other factor. :-) and that's Dudley Henriques. No flame from me.....no return misuse of your name.....no personal attack; simply the issue. This will be my return policy with you from now on. :-) DH |
#77
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![]() "Ed Rasimus" wrote in message ... On 18 Dec 2003 16:38:47 GMT, (ArtKramr) wrote: DUDLEY HENRIQUES SAID ; "Bull ****! This is a constant speed prop. RPM is a set value. The RPM can be set at 3000 and the manifold pressure can be anywhere between 15 inches and 61 inches, and it's the manifold pressure combined with the set RPM that will determine the power.....NOT the RPM!!! Are you trying to tell me that the rotational (energy) of a propeller is the same at 15 inches as it is at 61?". -D Henriques I think he may be discussing an engine pulling 61" of mercury at a constant speed of zero RPM. (guffaw) Arthur Kramer Despite the somewhat pre-pubescent banter between two apparent adults who appear to either have dosage problems with their medication or simply are descending into dotage, I will note the complexity of the conventional engine which is something that I never was able to fathom. In one of the darkest periods of my military career, I was forced to check out in the T-29 for "support flying" during a headquarters tour at Randolph AFB. As a jet type, I knew that the lever(s) on the left of my chair controlled perspective--push forward the houses get smaller, pull back, they get larger again. There also seemed to be some linkage to the airspeed indicator as well. The T-29, however, placed the levers on the wrong side of my chair and also put them in a cluster with a bunch of other levers with small colored balls on top and cryptic letters. Instead of nice simple engine limitations like a fixed exhaust gas temperature or maximum percent RPM, they gave me some sort of arcane formula that included not only RPM (which I understood) but manifold pressure (which I didn't) and in the case of the T-29, something called Torque Oil Pressure as well as mixture controls. It seemed that whenever I thought I knew what I wanted, the instructor pilot or the flight mechanic would slap my hand away from the throttles, which I had always assumed I owned after saying "I have the airplane." The idea that if I wanted to climb, I couldn't simply push the throttles forward, but also had to do something, in some sequence or other with the props, the mixture and some other gadgetry was simply too complex. On my pilot qual check, I kept pushing the throttles up for go-arounds, only to have the flight mech pull them back. When I got to the single-engine exercises, I simply pushed the good engine up, well short of max, to a minimum controllable power setting and then finessed the airplane through the climbout. Should have busted the check for lack of engine knowledge, but they passed me on condition that I would never fly with passengers (oh, darn!) and that I would never again touch the engine controls. I simply would ask the flight mech for more or less power. I don't know how you old guys did it! I had the opposite reaction when I climbed into fast jets. I don't think I ever got used to the simplicity of operation that a jet engine offers as opposed to the constant checking and rechecking involved with recips. This was always especially noticeable for me at the end of the runway just before takeoff when I would sometimes instinctively start looking around the cockpit for things to touch and check. NOTHING TO DO!!! Just point it in the right direction, do the line up check and push the big handle on the left in the direction you wanted to go! Wonderful!!!! and oh yes........HANG ON!!!! :-) Dudley (old doting person type M1) |
#78
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In article , ArtKramr wrote:
Since this book is about old man Bush.[...] I didn't see anything significant about Bush Sr. in the book at all. I thought it was just something that the author and publisher were alluding to in order to increase sales. I'm glad some other folks thought it clanked, too--I was wondering if I was just being too hard on it. Mike Beede |
#79
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"Dudley Henriques" wrote:
"Gord Beaman" wrote in message .. . -Gord. "You are completely focused on RPM as the single factor producing rotational velocity" -Dude Henrickles .........whereas the high rpm governor limit, impossible to eliminate from the equation for the purpose of establishing seizure momentum as power is reduced , (and thus affecting the rpm) is the other factor. :-) Ok...I'll work with you a little here...(and only if you refrain from obfuscation). Your above statement isn't valid because it's the RPM only which is relevant to the momentum of a prop (besides the mass which isn't variable in this case) What caused the RPM is completely immaterial. You say 'It's the other factor' but it is not. There's only one parameter that determines momentum (besides mass) and that's RPM. -- -Gord. |
#80
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![]() "Gord Beaman" wrote in message ... "Dudley Henriques" wrote: "Gord Beaman" wrote in message .. . -Gord. "You are completely focused on RPM as the single factor producing rotational velocity" -Dude Henrickles .........whereas the high rpm governor limit, impossible to eliminate from the equation for the purpose of establishing seizure momentum as power is reduced , (and thus affecting the rpm) is the other factor. :-) Ok...I'll work with you a little here...(and only if you refrain from obfuscation). Your above statement isn't valid because it's the RPM only which is relevant to the momentum of a prop (besides the mass which isn't variable in this case) What caused the RPM is completely immaterial. You say 'It's the other factor' but it is not. There's only one parameter that determines momentum (besides mass) and that's RPM. -- -Gord. Ok, and I'd like to work with you a bit also if I can. I kind of miss the old days when the two of us were talking to each other. You are absolutely right in everything you are saying here as well as what you said back in the seizure thread. I never doubted your knowledge and experience with these things for a moment. I believe the problem involved both of us misunderstanding the other. I had assumed the limiter would reduce the rpm when the power was reduced back to idle in prep for the bail out. I should have mentioned that in my dialog with the poster I was dealing with when you entered the thread, but I didn't. You no doubt thought, from the way I posted my remarks that I was under the impression that it was power that controlled the seizure momentum. When you posted without mentioning the limiter, I grossly over reacted to the inference that I didn' t know what I was talking about. I shouldn't have done that and I apologize. You on the other hand, could have asked me to clarify whether or not I was dealing with the issue without the limiter in question. You didn't. The rest went downhill in a handbasket. I answered several of your posts thinking you knew about the rpm change with the limiter involved and were lecturing me anyway, which of course would have been wrong. By the time I realized we were talking about different things, it was too late. Gordo, I am sincerely sorry for my part in this misunderstanding. I don't believe either one of us, after spending all our lives involved with airplanes and engines, is ignorant of the simple fact that it's rpm that determines rotational velocity. Let's put this thing to bed and forget it if possible. To be honest with you, I hate all this unnecessary crap going back and forth between two people who should be friends. Sincerely, Dudley |
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Flyboys by James BradleyFlyboys by James Bradley | Otis Willie | Military Aviation | 0 | September 29th 03 01:30 AM |