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Jan 19, 2020, 03:56 PM
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Originally Posted by JustAHuman
Thanx again.
You mean the centering of the wing?
The magnet does it in the back and in the front there are still the "grooves" of glue.
Also the magnets are offset a bit, so the wing gets pushed forward.
Centering of the wing as part as easy fitting/ removing the wing. Even on small planes it can be beneficial to be able to remove the wing. I was wondering what smart way you had come up with. Cheers!
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Jan 20, 2020, 11:05 AM
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The best thing about the detachable wing is, that it takes up a lot of energy when crashing. Nothing on that plane broke, yet. Of course it's also handy to get to the electronics without having to cut something open.

Tried a smaller prop on the 7 turn motor, 45 mm seem to be fine. Motor still gets warm, but not hot anymore. Still more than enough thrust.
Jan 21, 2020, 10:43 AM
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There was almost no wind today (7ktn), so I went flying again.
Tried out the 56mm prop on the 9 turn motor and that is good. Stays cool. More than enough thrust.
Also tried out a 75mAh battery in the Tinzy Ta, which drops the AUW to 12.5g

So to summerize: 0603 motor good, but only if rewound (and maybe prop shaft is changed)
7 turns work with a 45 mm prop if you don't plan on gassing it all the time. Lets say 18 g thrust on 200mAh.
9 turn work with a 56 mm prop. About 24g thrust.
Jan 23, 2020, 05:49 PM
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Magnetic wing

Had a question about the wing fixture in another thread, so here we go.

The front of the wing is 'wedged' into the fuselage, which is possible, because this plane has a full wing, so the leading edge ends up above the lower fuselage line.

The force that pushes the wing forward into the slot, comes from the offset of the magnets.
The one in the wing is placed 2mm further back than the one in the fuselage.

Right now there is no guide or fixture against sheering in the front, because I redid the front.
The friction between wing and fuse is big enough, there is no sheering.

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