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#1
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Weight of Ice
I roughly calculated that the weight of 1 in. of ice on all forward
surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to comment on this? Gerd (ATPL) |
#2
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Weight of Ice
It isn't the weight, it is the lack of aerodynamic shape.
-- James H. Macklin ATP,CFI,A&P "gwengler" wrote in message oups.com... |I roughly calculated that the weight of 1 in. of ice on all forward | surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to | comment on this? | Gerd (ATPL) | |
#3
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Weight of Ice
I roughly calculated that the weight of 1 in. of ice on all forward
surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to comment on this? Just that the change in shape of the airfoil is probably more important than the weight. Jose -- "Never trust anything that can think for itself, if you can't see where it keeps its brain." (chapter 10 of book 3 - Harry Potter). for Email, make the obvious change in the address. |
#4
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Weight of Ice
Just that the change in shape of the airfoil is probably more important
than the weight. That is correct, but at some time, the weight itself becomes an issue, too. I was just curious about the weight. There are some interesting pictures here comparing a Cessna wing with a TKS equipped Cirrus wing: http://www.ferryflights.org/Ferryflights-icing.htm Gerd |
#5
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Weight of Ice
You are long past dead when the weight becomes an issue.
At least in a little plane. The shape of the ice buildup can be really ugly. Worse problems: Shape of the wing drag Tail plane stalling in landing configuration. Airplanes with the spar in the front seat tend to carry ice better-- the ugly shape interferes less with the wing lift. Trust me on this. Bill Hale BPPP instructor gwengler wrote: Just that the change in shape of the airfoil is probably more important than the weight. That is correct, but at some time, the weight itself becomes an issue, too. I was just curious about the weight. There are some interesting pictures here comparing a Cessna wing with a TKS equipped Cirrus wing: http://www.ferryflights.org/Ferryflights-icing.htm Gerd |
#6
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Weight of Ice
Another swing at a dead horse...weight is a minor factor. If you could carry
another passenger, you could carry as much weight in the form of ice as in your worst nightmares. Bob Gardner "gwengler" wrote in message oups.com... I roughly calculated that the weight of 1 in. of ice on all forward surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to comment on this? Gerd (ATPL) |
#7
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Weight of Ice
Also, rime is full of air and may be 1/2 the weight of clear
ice. It is the spoiler effect of the ice that causes the problem. "Bob Gardner" wrote in message . .. | Another swing at a dead horse...weight is a minor factor. If you could carry | another passenger, you could carry as much weight in the form of ice as in | your worst nightmares. | | Bob Gardner | | "gwengler" wrote in message | oups.com... | I roughly calculated that the weight of 1 in. of ice on all forward | surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to | comment on this? | Gerd (ATPL) | | | |
#8
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Weight of Ice
Bob Gardner wrote: Another swing at a dead horse...weight is a minor factor. If you could carry another passenger, you could carry as much weight in the form of ice as in your worst nightmares. I guess I'm not old enough. However, was there really ever a time when students were taught that its the weight of the ice that kills? -Robert, CFII |
#9
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Weight of Ice
Maybe I'm not old enough either. I can't remember weight as ever having been
a consideration. Those leading edge profiles showing clear, rime, and mixed have been around since the early 60s to my personal knowledge. HOWEVER, I have a book from the 1920s that talks about "ice barnacles." Bob "Robert M. Gary" wrote in message ups.com... Bob Gardner wrote: Another swing at a dead horse...weight is a minor factor. If you could carry another passenger, you could carry as much weight in the form of ice as in your worst nightmares. I guess I'm not old enough. However, was there really ever a time when students were taught that its the weight of the ice that kills? -Robert, CFII |
#10
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Weight of Ice
gwengler wrote: I roughly calculated that the weight of 1 in. of ice on all forward surfaces on my T182 (fixed gear) is about 250 lbs. Anyone cares to comment on this? Gerd (ATPL) Frost on the wing weighs next to nothing, probably a few ounces. |
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