What did you crash today

Piotrsko

Legendary member
Would have worked if it was 3/16 dia music wire. Bending it to fit and crashing are about the same amount of force (DUH!). Therefore if it is really hard to form, it is kinda more crashproof up until you start taking out the fuselage. I do like your mounting system.
 

SEEBO

Active member
Would have worked if it was 3/16 dia music wire. Bending it to fit and crashing are about the same amount of force (DUH!). Therefore if it is really hard to form, it is kinda more crashproof up until you start taking out the fuselage. I do like your mounting system.
I went and purchased the same wire bender that FT uses so bending 3/16 isn't a problem. Thats a great idea, I'm gonna modify the STL file to accept 3/16 wire. I'll be sure to add it to the resources when I'm done.
 

SEEBO

Active member
At what point am I supposed to say "its just a foam board airplane, don't go crazy with it"?

Follow up!
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After a VERY bouncy landing I realized a 6000mah 4s battery will tweak .125 rod. I had an off the shelf die formed aluminum gear from a parts bin from an estate sale so I machined some 6065 at work and made an adapter plate. Fits perfectly and my Legacy will be back to flying tomorrow.
 

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Piotrsko

Legendary member
Bit more noteworthy severe: you make a mold to build CF parts for a square foamboard trainer.

I would be totally in awe of that process, but overkill by a factor of a million or so.

That you have the time, equipment, materials and knowledge to build those aluminum pieces, wow.

Cf is not always lighter than what it replaces, btw.
 

quorneng

Master member
The old aircraft mantra is "if you reinforce one part after a crash the resulting extra weight is likely to cause something else to break at the next one!"
Remember the energy in a plane is proportional to the square of it velocity. For a plane its air speed is proportional to its weight.
Increase a plane's weight and the energy in a crash rises by the square of that increase.
 

Piotrsko

Legendary member
As a connesuer of fine crashes, that wasn't a pull up inverted crash low level. Had to be at least 10ft up which may be low for some. Low usually just rips off the tailfeathers and cracks the canopy. Really low inverted tends to break the prop afterwards
 

Jo's squadron

Elite member
As a connesuer of fine crashes, that wasn't a pull up inverted crash low level. Had to be at least 10ft up which may be low for some. Low usually just rips off the tailfeathers and cracks the canopy. Really low inverted tends to break the prop afterwards
It was much less than 10ft of the ground, more like 1-2ft, but when it stalled it was about 10 ft off the ground.
Your definition of low is what I call an inverted tail touch.
And I have learned not to pull on the stick while inverted:)
 

Piotrsko

Legendary member
If you can remember to NOT pull up inverted, you are a much better flier than I will ever be. I can fly inverted up until I need to avoid something. It's typically not an issue until it is.

I also had to stop tail dragging inverted. The wheels on the top of the rudder didn't help either