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914Driver
914Driver MegaDork
7/25/17 11:20 a.m.

aircooled
aircooled MegaDork
7/26/17 4:21 p.m.

I am not entirely sure how this even happens. Where are the heads? Inverted V motor?

slefain
slefain PowerDork
7/27/17 1:18 p.m.

This one had better distance:

Duke
Duke MegaDork
7/27/17 2:05 p.m.
aircooled wrote: Where are the heads?

Probably in the next county.

FlightService
FlightService MegaDork
7/27/17 2:43 p.m.
Duke wrote:
aircooled wrote: Where are the heads?
Probably in the next county.

It split at the block cylinder interface. The heads are still there.

nderwater
nderwater UltimaDork
7/27/17 8:06 p.m.

nderwater
nderwater UltimaDork
7/27/17 8:06 p.m.

nderwater
nderwater UltimaDork
7/27/17 8:06 p.m.

slefain
slefain PowerDork
7/27/17 9:41 p.m.
nderwater wrote:

nderwater
nderwater UltimaDork
7/31/17 12:56 a.m.

Hungary Bill
Hungary Bill GRM+ Memberand UberDork
7/31/17 7:57 a.m.
nderwater wrote:

Hungary Bill
Hungary Bill GRM+ Memberand UberDork
7/31/17 8:10 a.m.

C-17 (The Moose) does the Mach loop

Crxpilot
Crxpilot New Reader
8/2/17 10:13 a.m.

pheller
pheller PowerDork
8/2/17 1:53 p.m.
FlightService wrote:
Duke wrote:
aircooled wrote: Where are the heads?
Probably in the next county.
It split at the block cylinder interface. The heads are still there.

Well, rather they are what you're seeing being launched. The block is down in the chassis somewhere, probably a much smaller piece of the now split in two puzzle.

pheller
pheller PowerDork
8/2/17 1:54 p.m.
nderwater wrote:

This looks like it could end badly. Isn't a steep bank during takeoff a great way to lose lift?

Jeebus, here's the video (no wreck): https://www.youtube.com/watch?v=Qt8dXI0cCJk

Duke
Duke MegaDork
8/2/17 2:29 p.m.

When I was at Oshkosh in '74 they were doing that with a C-5. Empty, minimal fuel load. They were standing on the brakes, winding the crap out of it, and doing very high-performance takeoffs on a very short runway. That was impressive to watch.

914Driver
914Driver MegaDork
8/2/17 3:07 p.m.
RX Reven'
RX Reven' GRM+ Memberand Dork
8/2/17 4:10 p.m.
pheller wrote: Isn't a steep bank during takeoff a great way to lose lift?

No, lift is solely a function of angle of attack, velocity, & air density…an airfoil and the gas it’s interacting with have no regard for their orientation relative to the earth.

Having said that, when the wings aren’t perpendicular to the direction of gravity, some of the lift generated has a horizontal component. In order to hold the vertical component of lift constant in a bank, angle of attack and/or velocity must be increased.

Bottom line, making a steep bank any time you’re near the ground is dangerous as you may exceed the airfoils maximum angle of attack resulting in a stall / spin condition in an effort to get a sufficient vertical lift component.

slefain
slefain PowerDork
8/2/17 4:30 p.m.
Appleseed
Appleseed MegaDork
8/3/17 10:51 p.m.

Appleseed
Appleseed MegaDork
8/3/17 10:51 p.m.

Appleseed
Appleseed MegaDork
8/3/17 10:55 p.m.

Duke
Duke MegaDork
8/4/17 6:38 a.m.
Appleseed wrote:

The original of that, with sound, is well worth searching out on YooTubies.

Appleseed wrote:

I've seen that before. Given what aircraft it is, that's a stupendous feat of flying coupled with utter fearlessness.

Hungary Bill
Hungary Bill GRM+ Memberand UberDork
8/4/17 11:42 a.m.

Boeing 707 barrel roll

Duke
Duke MegaDork
8/4/17 11:48 a.m.

In reply to Hungary Bill:

Tex Johnson was awesome.

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