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Old Jul 07, 2012, 09:27 PM
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Josh Price on a 119 wing
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Old Jul 07, 2012, 09:36 PM
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Old Jul 07, 2012, 09:42 PM
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Josh Price on a 119 wing
Would you happen to know his RC Groups name ? would like to go back on his threads and see if I can find it.
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Old Jul 07, 2012, 09:51 PM
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Found it !

Sun, 07 Nov #4 (1 min 8 sec)
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Old Jul 07, 2012, 10:14 PM
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Originally Posted by goflyhighrc View Post
Found it ! Is that Josh or Jared ??


http://youtu.be/mfts_bdBFdA
Wow!
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Old Jul 07, 2012, 10:20 PM
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as impressive as that is, I bet that wing is strong enough to hold 2 guys that size. The 119 weighs what? 36#'s, and can handle 15G's or more? I cant imagine what the dynamic load is on a wing during a blender or wall. a 200# static load is nothing.
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Old Jul 08, 2012, 11:48 AM
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Quote:
Originally Posted by shadow102 View Post
the 45* upline test works as well for checking CoG
When you pull 45deg then roll inverted, what should we expect to see when cg is set properly? Should the nose drop any? Or only slightly? Mine will drop the nose starting a big arc to the ground if I don't hold some (like 3/32 - 1/8" forward stick) down elevator. Too nose heavy?
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Old Jul 08, 2012, 01:04 PM
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On a symmetrical airfoil, you should see a gentle dive.
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Old Jul 08, 2012, 01:17 PM
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I've had a G meter in my 57 before....Max readings were less than I thought....a typical flight with just "normal" 3D was only about 5.5 G's....you'd have to try real hard to get up past 10.....more research required....
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Old Jul 08, 2012, 01:29 PM
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Quote:
Originally Posted by Jeff Worsham View Post
When you pull 45deg then roll inverted, what should we expect to see when cg is set properly? Should the nose drop any? Or only slightly? Mine will drop the nose starting a big arc to the ground if I don't hold some (like 3/32 - 1/8" forward stick) down elevator. Too nose heavy?
people have different preferences in this department, so it is somewhat subjective. I look for a gentle dive like BD said, but I also take into account how the plane is performing in knife edge and harrier.
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Old Jul 08, 2012, 02:32 PM
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wow, no kidding?! i would have guessed MUCH higher, since full scale areobatic planes will pull +15/-10 and most of those guys are not in a G suit. I thought that our little toys would do more

Quote:
Originally Posted by Bivens View Post
I've had a G meter in my 57 before....Max readings were less than I thought....a typical flight with just "normal" 3D was only about 5.5 G's....you'd have to try real hard to get up past 10.....more research required....
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Old Jul 08, 2012, 05:56 PM
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wow, no kidding?! i would have guessed MUCH higher, since full scale areobatic planes will pull +15/-10 and most of those guys are not in a G suit. I thought that our little toys would do more
Would the G forces be different in different spot in the plane? Like more G's in the tail than if you were to put a meter on the battery tray?
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Old Jul 08, 2012, 06:02 PM
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wow, no kidding?! i would have guessed MUCH higher, since full scale areobatic planes will pull +15/-10 and most of those guys are not in a G suit. I thought that our little toys would do more

I doubt that. Most pilots without a suit can withstand 5G's. With G-suits and special flexing / breathing that number goes up to about 9-10 but that is about the limit before they pass out.
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Old Jul 08, 2012, 06:04 PM
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Quote:
Originally Posted by Bivens View Post
I've had a G meter in my 57 before....Max readings were less than I thought....a typical flight with just "normal" 3D was only about 5.5 G's....you'd have to try real hard to get up past 10.....more research required....
It sort of depends on what you're doing I think. Tumbling, as violent as it looks, probably doesn't create as much G forces because you're rotating around a fixed axis. Walls, tight hurricanes and such, though, should elicit more G forces.
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Old Jul 08, 2012, 06:25 PM
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Quote:
Originally Posted by BoneDoc View Post
It sort of depends on what you're doing I think. Tumbling, as violent as it looks, probably doesn't create as much G forces because you're rotating around a fixed axis. Walls, tight hurricanes and such, though, should elicit more G forces.
How do you do a hurricane !!
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