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Topic: Interesting Things YOU Likely Don't Know
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FearlessF · « **Reply #42 on:** August 13, 2019, 04:38:48 PM »

I'm a good ducker, thanks to the Ex-wife

Cincydawg · « **Reply #43 on:** August 13, 2019, 04:39:44 PM »

In a plane, you have air speed and ground speed, both are important. In a light plane you might have a group speed of say 60 knots which is fine and an air speed of say 30 knots, which would NOT be fine at all. The same is true for a boat but you'd just lose steerage, you wouldn't fall out of the sky.

The two things meet when you land, which can get ticklish at times.

I recall flying one wintry day with my instructor in a Cessna 152 and we were doing about 40 knots ground speed at cruise throttle. He was looking out the window for deer.

I could have flown it over one spot that day, you can maintain control under 40 knots air speed and we had more than that over the wing steady from wind.

I liked that plane a lot even though it was tiny. It was easy to handle. That's the one that I was flying when the engine quit.

MarqHusker · « **Reply #44 on:** August 13, 2019, 04:42:13 PM »

Quote from: utee94 on August 13, 2019, 02:15:01 PM

You're saying I can't invest in the common stocks of all of the 505 companies that comprise the S&P 500? Because I'm not sure you're right about that...

If I did such a thing, then I would effectively be investing in the index.

Of course, what should the contribution percentage of the investment in each company be? Would it be weighted? Should it be related to MCAP? Some common business multiple? I'd have to think on how I would approach that.

You're stealing my lines. I always say this to people when they say they invest in an index. I ask them about their trading costs of execution, and their weights and how are they able to dollar cost average 500+ holdings at $2k a month? Do they really use Robin Hood?

CWSooner · « **Reply #45 on:** August 13, 2019, 04:46:29 PM »

Quote from: MrNubbz on August 13, 2019, 04:24:43 PM

Still a weird way to measure speed.Say you have a Mercruiser I/O at half throttle the boat speed is still predicated on wind,wave direction & height ,current.On a flat windless day you'll get more speed at the same throttle increments

Does the accuracy of the speedometer vary with wind and wave movements, though?

MrNubbz · « **Reply #46 on:** August 13, 2019, 04:48:57 PM »

Quote from: CWSooner on August 13, 2019, 04:46:29 PM

Does the accuracy of the speedometer vary with wind and wave movements, though?

No but the speed your going I'm just lost in the translation trying to correlate

MrNubbz · « **Reply #47 on:** August 13, 2019, 04:49:59 PM »

Quote from: Cincydawg on August 13, 2019, 04:39:44 PM

I liked that plane a lot even though it was tiny. It was easy to handle. That's the one that I was flying when the engine quit.

Never heard that story,did you glide it down?did you get it restarted?did you jump with a chute

FearlessF · « **Reply #48 on:** August 13, 2019, 04:53:05 PM »

Quote from: CWSooner on August 13, 2019, 04:46:29 PM

Does the accuracy of the speedometer vary with wind and wave movements, though?

I'll defer to Capt Badger, but yes, the boats I'm used to measure speed through water under the boat. Now if you use your GPS device.....

CWSooner · « **Reply #49 on:** August 13, 2019, 04:54:54 PM »

Quote from: MrNubbz on August 13, 2019, 04:48:57 PM

No but the speed your going I'm just lost in the translation trying to correlate

I think I'm missing the point that you are making.

In a boat, what better way has there been (prior to GPS) to measure speed than measuring speed through the water?

If you know that you are in a current--the Gulf Stream, for instance--then you compensate for that when you are calculating where you think you are if you are using dead reckoning navigation. If you are using celestial navigation, then you get better fixes on your location.

Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a good book about how the thorny navigational problem of figuring longitude was solved.

rolltidefan · « **Reply #50 on:** August 13, 2019, 05:07:57 PM »

Quote from: MrNubbz on August 13, 2019, 04:24:43 PM

Still a weird way to measure speed.Say you have a Mercruiser I/O at half throttle the boat speed is still predicated on wind,wave direction & height ,current.On a flat windless day you'll get more speed at the same throttle increments

isn't this true of drive on land as well? it's immaterial in real world, but theoretically the wind and/or movement of the earth should effect land speed.

Cincydawg · « **Reply #51 on:** August 13, 2019, 05:26:12 PM »

Quote from: MrNubbz on August 13, 2019, 04:49:59 PM

Never heard that story,did you glide it down?did you get it restarted?did you jump with a chute

The short version is this. It was a beautiful November day and I thought I'd take my son who was about 12 flying and teach him a bit about navigation. There was an airport in Indiana that had cheap gas, so we flew there, had a coke, filled up, and I took off. I was climbing out and the engine which had been newly rebuilt seemed to be laboring. I reached about 2,000 feet above ground level and it was missing notably. I made a mayday call at that point and was trying to reach Richmond, Indiana airport, and about 3 miles north of that the engine seized, quite dramatically, shook the plane, and quit. I dead sticked into a soy bean field that was cleared.

Made the Dayton 11 o'clock news, caused quite a ruckus.

The hilarious thing is we eventually got a flat bed tow truck out into the soy bean field and got the Cessna on the bed and tied it down and drove it to the airport with a police escort shutting down the road. I got the tow bill, I was treasurer for the flying club, and it was $200. Only in rural Indiana.

The engine had a new cylinder in it, and apparently the rings were seated improperly. That cylinder melted down, I have photos of it somewhere. Broke the crank.

You basically land dead stick anyway if you set it up right. I had barely enough room in that field, which was muddy, and I was skidding while braking a bit, you can brake each wheel independently. I did not want to ground loop, and didn't. Made for an interesting log entry in my book.

MrNubbz · « **Reply #52 on:** August 13, 2019, 05:34:56 PM »

Damn white knuckler for sure,bad enough you're trying to keep your composure let alone thinking of the safety of a child.Did you ever get your mitts on or rattle the cage of the hacks that "fixed" the craft?What's dead sticking?asking for CW

betarhoalphadelta · « **Reply #53 on:** August 13, 2019, 05:39:23 PM »

Quote from: MrNubbz on August 13, 2019, 04:29:59 PM

Would an IPA loogie have longer hang time than say an Oatmeal Stoudt or Doppelbock loogie.Man this off season has been ridiculously brutal

IPA wouldn't have great hang time... I'm thinking the viscosity is too low. Specific gravity of an IPA usually finishes lower than the stout or dopplebock though, so if you're high enough that wind resistance becomes a factor when the loogie lets go, it will be less dense and might take slightly longer to reach the ground.

If you want hang time, the protein remaining from the oatmeal is your best bet.

betarhoalphadelta · « **Reply #54 on:** August 13, 2019, 05:42:10 PM »

Quote from: Cincydawg on August 13, 2019, 04:39:44 PM

In a plane, you have air speed and ground speed, both are important. In a light plane you might have a group speed of say 60 knots which is fine and an air speed of say 30 knots, which would NOT be fine at all. The same is true for a boat but you'd just lose steerage, you wouldn't fall out of the sky.

The two things meet when you land, which can get ticklish at times.

I recall flying one wintry day with my instructor in a Cessna 152 and we were doing about 40 knots ground speed at cruise throttle. He was looking out the window for deer.

I could have flown it over one spot that day, you can maintain control under 40 knots air speed and we had more than that over the wing steady from wind.

I liked that plane a lot even though it was tiny. It was easy to handle. That's the one that I was flying when the engine quit.

Been there. Buddy was a pilot and we went up in a 152 once on a very windy day. Held it just shy of stall against the stiff wind. I think we had negative ground speed.

Cincydawg · « **Reply #55 on:** August 13, 2019, 05:42:32 PM »

The problem was blamed on the engine company in Texas. We had some issues with them, and I was about to get a lawyer on our side when the NTSB report came in. They paid up, for an entirely new engine which was about $37,000 cash. Usually a rebuild is about $20,000, but we had no core to sway out. I had a lawyer call me to sue for damages personally and told him to leave me alone.

My flight instructor used to get me into some fairly complex manuever and he'd reach over and pull the throttle to idle and tell me I had an engine out and if I didn't do the procedure quickly he'd be annoyed with me. I had gone through it a hundred times. My problem was the 20 minutes or so flying without enough power and losing altitude trying to make the airport. We had not done more than talk about that, you can't simulate it, and I couldn't decide whether to land off airport with some power or try to make the field (which was shut down to all traffic for me).

That airport is surrounded by trees and I was just north of where the trees get heavy. I would have had to land on a highway had I gone another half mile.

It was almost a relief when the engine quit. I knew what to do then. I had communication with Dayton approach and the guy there was a pilot who was helping me check on this and that. I was able later to thank him.

Of course you don't make any practice mayday calls, and when I made mine I expected to hear something, but there was a long pause, so I made it again, and the guy was scrambling around the control tower for a headset. That was a long silence for me. 1997.

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Topic: Interesting Things YOU Likely Don't Know

FearlessF

Re: Interesting Things YOU Likely Don't Know

Cincydawg

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MarqHusker

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CWSooner

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MrNubbz

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MrNubbz

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FearlessF

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CWSooner

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rolltidefan

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Cincydawg

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MrNubbz

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betarhoalphadelta

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betarhoalphadelta

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Cincydawg

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