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#61
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Should I be scared -- C172 over Gross
JGalban via AviationKB.com writes:
If insurance policies were invalidated by poor decision-making, they'd be worthless. Not to people who make good decisions, who represent the kind of customers that insurance companies want. Drag-racing an ordinary automobile is a poor decision, and crashing during such an activity may not be covered by insurance in consequence. Of course, if you're dead, it doesn't matter. |
#62
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Should I be scared -- C172 over Gross
Robert M. Gary writes:
That video has nothing to do with the OP's question. Clearly you are just trolling. The aircraft was overweight, and everyone on board died in the crash that resulted from that. I knew that people would argue with me just because I'm the one who made the point. Thank goodness I don't have to fly with people like that in the pilot's seat. That kind of "rules don't count" attitude is one of the danger signs for pilot safety. |
#63
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Should I be scared -- C172 over Gross
george writes:
One of my students (years ago) spent a summer in Antarctic Part of his job (research) was counting livestock under the ice. In a 3/8 inch full wetsuit !!!! Is there a lot of livestock beneath the ice? |
#64
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Should I be scared -- C172 over Gross
tman wrote:
Flown C172's for quite a while, and never had anybody in the back. Now I'm planning on quite a trip, with 2 pax and luggage. When I fill the fuel to the *tabs*, calc everyone's weight honestly and consider baggage -- I'm 75 lbs over the 2450 gross on departure. Maybe 100 over gross if I assume a "lie about weight" factor or some inaccuracy with filling the tanks. Now I'm scratching my head about just how risky this is. I know (others) have pushed over gross in these planes way more under worse conditions, and have almost always gotten away with it. I'm inclined to just do it, and be cognizant that it will perform differently, i.e. don't expect the same picture on climbout that you would when solo. Risky? Or just roundoff error on the weight? Here are some other factors: This is the 160HP C172, standard. Departure runway is 5000'. No steep terrain to climb out of. Plenty of alternates along with the way with 3000 runways. Not particularly hot, humid, or high. 50 degrees at 1000 MSL for departure or any point of landing. I'm figuring I'm 3% over gross, causing most of my V speeds to increase 1.5%, so say -- instead of flying short final at 65 knots, I'd fly at 66 knots... OK wait I can't hold airspeed to +/- 1 knot on most days anyways. I'm thinking through many of the factors, and it is only a "little" over gross, only on the first hour or so of the trip. What else should I be aware of? Am I dangerous? Being 100 lbs over gross is probably not dangerous. Having an attitude that it is OK to fly over gross is VERY dangerous. Some day it will kills you. Matt |
#65
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Should I be scared -- C172 over Gross
WingFlaps wrote:
Not really. The slight excess is fuel which will be burnt off. before landing time. Remember the structure is stressed to much higher G than 1.015 and if you just slapped a bigger engine in the MTOW would be increased to as much as 2500. What is dangerous is the position of the COG and the reduced climb. Make sure you do a weight and COG calc. for the trip. I can tell you that you should probably expect a more tail heavy feel than you are used to which will promote a tendency to rotate too early. Just raise your Vx by 5k and she'll be fine. Your climb will be reduced to (say) about 400 fpm at 2000' (if I remember correctly). Don't crash it or you will be in real trouble :-0 Actually, your tongue-in-cheek comment raises a good point. Operating over gross may well void your insurance. So, question to the OP: do you really want to make a flight with no insurance in force? Even a small mishap that gets investigated may well result in your insurance company abandoning you when you need them most. I'd read my policy carefully before making this flight just to be sure. Matt |
#66
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Should I be scared -- C172 over Gross
Mxsmanic wrote in
: Ross writes: I took a helicopter ride into the Grand Canyon last year and as we signed up EACH person stood on a scale fully loaded (cameras, backpacks, etc) and they captured your weight. Is this because it was a helicopter, or was it just the idiosyncrasy of the operator? I've read that helicopters are much more sensitive to weight and balance than fixed-wing aircraft. Why, you gonna sandbag your kitchen chair? Bertie |
#67
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Should I be scared -- C172 over Gross
Mxsmanic wrote in
: Robert M. Gary writes: That video has nothing to do with the OP's question. Clearly you are just trolling. The aircraft was overweight, and everyone on board died in the crash that resulted from that. I knew that people would argue with me just because I'm the one who made the point. No, people argue with you because you are an idiot. Bertie |
#68
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Should I be scared -- C172 over Gross
tman wrote:
Dudley Henriques wrote: Tell you what; instead of my "advising you" on what to do specifically with this flight, let me suggest to you that you run a weight and balance for this aircraft at full tanks, THEN run the same pax and baggage loading figuring 1/4 tanks, just to see what this does to the cg. I did. CG is pretty much center of the acceptable range. C172 410lbs in the front seats, 170lbs in the back, 30lbs in the baggage area, fuel to tabs -- CG is "good". Same situation, empty fuel. CG good too. A lot of ppl are talking about CG issues. Hey maybe I better check my math before I fly this thing! This must be one heavy C172. Most 172s I've flown had a useful load of ~840 lbs. Even with full fuel, this leaves almost 600 lbs of payload. If you are 100 lbs over gross with fuel at the tabs and 610 lbs of payload, it sounds like this is either one heavy 172 or you have fuel tanks with greater than 42 gallon capacity. Matt |
#69
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Should I be scared -- C172 over Gross
george wrote:
On Apr 18, 9:15 am, Dudley Henriques wrote: george wrote: On Apr 18, 8:01 am, Dudley Henriques wrote: NW_Pilot wrote: Now this is Over Gross.... http://www.ferrypilotservice.com/overgross.jpg Exposure suit? How effective is that thing? I had to wear one of those damn Navy Poopy suits flying a T38 out of NATC Pax River. If I had to go into the Chesapeake Bay in December, I think the damn thing gave me an extra 5 minutes before I froze to death. Severely restricted stick travel as well and took a half hour to get into! :-)) A full wetsuit would be a better bet. Insulation and floatation built in Oh that poop suit is a full wet suit all right. I'm only glad I'll never have to get into one again :-)) One of my students (years ago) spent a summer in Antarctic Part of his job (research) was counting livestock under the ice. In a 3/8 inch full wetsuit !!!! That's what you call a "cool job" :-) -- Dudley Henriques |
#70
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Should I be scared -- C172 over Gross
NW_Pilot" service(Spam)@aircraft"nospam"-me-ok-"spamer wrote:
For Best Comfort and Time in water 15 to 20 min it's Mustang.... but wow $$$$$$$$$$ and custom tailored. http://www.mustangsurvival.com/produ...uct.php?id=135 Now I've worn both wet and dry suits for diving and the one thing they shared was being incredibly hot... to the point of dehydration if you didn't get into the water and cool down. Do these survival suits have any provision to keep you from passing out from the heat while you are hopefully still in the air? -- Mortimer Schnerd, RN mschnerdatcarolina.rr.com |
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