More RC Jet crash vids

[Joe 1320]

These are good.

The first one pounds the ground really hard due to pilot error.

http://www.youtube.com/watch?v=FmqvjALs_n0


The second one sufferes from some componant failure and ejects a few parts just prior to creating a fireball.

http://www.youtube.com/watch?v=ENcIZVx-o9c

[bru333]

Ouch!

That second one was a high speed flutter victim. In the slo-mo you can see the wings and vertical fin flapping, followed by whatever those pieces are coming off. Play in the control rods or using weak servos can cause that (of course, it could be just plain old going too fast for the design).

I'm using heavy duty, metal geared, servos in that F4 I'm building. A nice solid mount for the servos should help too.

[FroSSty]

OOO!!!! That'll make ya say something...

[Joe 1320]

I like seeing the debris continue to pass the guys on the ground in the first vid. You can tell there was some momentum in those parts.

[JeffM]

bru333 - could have also been caused by too much space between the trailing edge of the wing, and the control surfaces.. That'll cause flutter and at that speed ultimately rip the surfaces right off..

I know how it feels to have control surfaces rip off aircraft in mid flight.. One aerobatic airplane I was flying had the whole eppinage completely rip off about 35' off the deck.. Was able to semi control it coming down using the ailerons and flaps - but ultimately binned the airplane because of too much frame damage.

Good stuff

[Joe 1320]

bru333 - could have also been caused by too much space between the trailing edge of the wing, and the control surfaces.. That'll cause flutter and at that speed ultimately rip the surfaces right off..

I know how it feels to have control surfaces rip off aircraft in mid flight.. One aerobatic airplane I was flying had the whole eppinage completely rip off about 35' off the deck.. Was able to semi control it coming down using the ailerons and flaps - but ultimately binned the airplane because of too much frame damage.

Good stuff

haha... that reminds me of the time I had a Mirage. I say had because in a high speed full throttle dive for the deck, I pulled up hard and ripped the flight control surfaces clean off. That one was a total write off.