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  #1  
Unread 06-19-16, 10:14 PM
JGug1 JGug1 is offline
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Strips On Skymaster Wing

It looks, from the opinions of two IA's who are friends, that they are, in fact, stall strips. I will be talking to a definitively knowledgeable source tomorrow and will confirm their function. I was with the logs yesterday but do not have access today.
I do appreciate the input. This is such a helpful source.
JG
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  #2  
Unread 06-21-16, 10:09 AM
JAG JAG is offline
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Straps, not strips

Those look like external straps (structural, not aerodynamic) on the wing - does not appear normal for a Cessna 337. Now if it was a Lockheed Electra - that would be a different story. To me, it looks like either a repair (337) or some structural improvement. Either way, it is not typical and should be avoided in my opinion.
Jeff
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  #3  
Unread 06-21-16, 10:42 AM
JGug1 JGug1 is offline
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Strips on Skymaster Wing

JAG, I am inclined to agree with you. At the very least, they look horrible. Yes, painting them would cover much of that but there is no way they don't interfere with normal air flow over the wing and they HAVE to cost knots. I don't like them one little bit. I am seeking an explanation from the person who has the airplane.
Thank you.
JG
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  #4  
Unread 06-21-16, 10:46 AM
JAG JAG is offline
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Records

You could also do a records request on the aircraft (may not be filed yet if work just happened) from the FAA ($10) - this may provide the details of the 337 on those straps. Just an idea.
Jeff
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  #5  
Unread 06-21-16, 11:39 AM
Kim Geyer Kim Geyer is offline
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I think its part of Flint Aero SB FA2
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  #6  
Unread 06-21-16, 12:37 PM
JGug1 JGug1 is offline
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Bingo

Kim Geyer, you win. The prize is a stay at a Trump Hotel. This airplane has Flint tip tanks and the people at Flint are very helpful. Two years ago, you may recall, that Aviation Enterprises was required to pull their tip tanks. At that time, the Feds required a strengthening of wings of earlier 337's, the ones with the smaller tanks, if they had Flint Tip tanks. The straps are the only way Flint could discover to resolve the problem They were not required to have the tanks but they were required if you put fuel into the tanks. So, that mystery is solved. I don't like the looks of them one bit but now that there is an explanation, I don't feel quite as bad about them as I did.
Thank you all for your help.
JG
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  #7  
Unread 06-21-16, 02:02 PM
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Skymaster337B Skymaster337B is offline
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I wonder if this will be a requirement for all 337's in the future, in the form of an AD? Spare strap AD's seem to be the FAA solution to keeping 50+ year old airplanes in the air. Just a thought, since there's no economic solution for new wings.
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