Archive for October, 2006
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Views: 610
According to the 100mm macro, the black material on the upper main bearing is metal filings. Since this bearing supports the entire weight of the copter, not much 2 do but minimize payload and order some more bearings. -
Views: 424
The latest attempt at lighting was the halogen on the tail. It lit the rotor very effectively but was so bright, it was impossible to see the tail. The halogen would reduce flight time to 24 min. -
Views: 429
The latest attempt at lighting was the halogen on the tail. It lit the rotor very effectively but was so bright, it was impossible to see the tail. The halogen would reduce flight time to 24 min.
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Views: 504
Another session with the tail and it's straight enough to fly by again. Flying with a bent tail boom is really hard because the controls are off relative to the tail. -
Views: 518
Straightening the fuselage would require rebuilding it. Maybe the canopy would have prevented this or maybe it wouldn't have, but it's still ugly. -
Views: 483
Now a throttle enhancement we did early on. To decouple the throttle and rudder movements, wrap electrical tape around the throttle's copper brush. You don't have to grind down the throttle bumps. -
Views: 452
We have a strange substance dissolved in oil forming around the upper mane shaft bearing and the tail rotor bearing. That was just 27 minutes after cleaning. -
Views: 456
It may be plastic dissolving in the oil, lithium grease leaching into the oil, or the country again.
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Views: 647
The first attempt at autonomous lighting was 6 LEDs at strategic locations in an attempt to light the rotor and the tail. In flight, it only lit 4 small circles on the rotor. -
Views: 510
The first attempt at autonomous lighting was 6 LEDs at strategic locations in an attempt to light the rotor and the tail. In flight, it only lit 4 small circles on the rotor. -
Views: 458
The first attempt at autonomous lighting was 6 LEDs at strategic locations in an attempt to light the rotor and the tail. In flight, it only lit 4 small circles on the rotor. -
Views: 488
At great distances it looked like 5 dots with no evidence of orientation as we found out the hard way. After turning into 5 dots and losing orientation, it rammed at great speed into U know the country. United with it, you might say. -
Views: 517
The next attempt was the halogen encased in a cage to protect it from water and hanging 3' from the copter so as to light the entire ship. Extremely powerful and it lit the golf course quite nicely. -
Views: 502
The next attempt was the halogen encased in a cage to protect it from water and hanging 3' from the copter so as to light the entire ship. Extremely powerful and it lit the golf course quite nicely. -
Views: 534
Unfortunately the swaying of the light under the copter made it even more unstable than it already is. After 4 minutes of swaying and mane raising losses of control, landed and removed the halogen. -
Views: 474
Finally acquired a stopwatch and now we have estimates of the actual flight time per battery charge. During lighting experiments it's been lasting 25 minutes. Not as long as the kids are claiming but longer than marines in Iraque.
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Views: 642
The Corona. -
Views: 490
Main gear shredding after cleaning up with an xacto -
Views: 517
Metal gears in the HS-81 -
Views: 524
Metal gears for the house -
Views: 592
The Canopy sux. Country of origin omitted. -
Views: 524
What happens to HS-81 nylon gears in a copter -
Views: 532
What happens to HS-81 nylon gears in a copter -
Views: 551
Semicircle of white plastic didn't improve visibility.