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Search: Posts Made By: army_av8r
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Forum: Rotorheads
30th Dec 2019, 02:40
Replies: 10
Views: 3,484
Posted By army_av8r

i dont know what to say, i worked with Doug until...

i dont know what to say, i worked with Doug until the first of December training AH-64D pilots in the army. Doug was such a great person and such a pleasure to work with. he decided to move over to...
Forum: Rotorheads
23rd Aug 2019, 19:28
Replies: 20
Views: 5,530
Posted By army_av8r

This was dropped on purpose as part of accident...

This was dropped on purpose as part of accident investigation research.
Forum: Rotorheads
21st Feb 2018, 03:44
Replies: 32
Views: 9,468
Posted By army_av8r

When a strap pack fails, it will allow the blade...

When a strap pack fails, it will allow the blade grip and all associated hardware to depart with the blade. That unbalance can result in the opposing blade failing as well. Strap packs should be a...
Forum: Rotorheads
7th Feb 2018, 04:13
Replies: 32
Views: 9,468
Posted By army_av8r

Strap pack failure? Without seeing the root of...

Strap pack failure? Without seeing the root of the blade, it's hard to say the cause of the failure. But I think I saw 2 blades depart during the accident video. I wish Boeing would put more...
Forum: Rotorheads
6th Feb 2018, 23:03
Replies: 32
Views: 9,468
Posted By army_av8r

Very similar to the galveston bay accident, and...

Very similar to the galveston bay accident, and the fort Campbell accident. Main rotor separation in cruise flight.
Forum: Rotorheads
26th Jan 2018, 02:01
Replies: 69
Views: 15,733
Posted By army_av8r

I completely agree that an outside scan is 100%...

I completely agree that an outside scan is 100% necessary, but I also understand that no matter how good the pilot or crew, we will have lapses in our scanning. If you believe that your crew is...
Forum: Rotorheads
23rd Jan 2018, 03:15
Replies: 11
Views: 4,389
Posted By army_av8r

https://youtu.be/LiuRP_9CJZ4

https://youtu.be/LiuRP_9CJZ4
Forum: Rotorheads
13th Nov 2017, 00:39
Replies: 16
Views: 3,408
Posted By army_av8r

dNVtMmLlnoE This video describes rolling...

dNVtMmLlnoE


This video describes rolling shutter very well, the jelly image is caused by this rolling shutter problem plus an unstable mounting location or high vibration. The result makes the...
Forum: Rotorheads
6th Nov 2017, 02:03
Replies: 16
Views: 3,408
Posted By army_av8r

I've found that simply ensuring a very firm...

I've found that simply ensuring a very firm mounting point, and keeping the camera still goes a long way in preserving the natural scene quality. Long arms on those gopro mounts allow a surprising...
Forum: Rotorheads
31st Oct 2017, 21:08
Replies: 11
Views: 2,346
Posted By army_av8r

Depending on type, you can add tail rotor pedal...

Depending on type, you can add tail rotor pedal to raise or lower a strut slightly. Especially types with high tail rotors. Best option is to add collective, use cyclic to center the attitude, ...
Forum: Rotorheads
22nd Oct 2017, 04:08
Replies: 39
Views: 6,099
Posted By army_av8r

I completely agree, the "envelope" should really...

I completely agree, the "envelope" should really only include vertical speed. But it must also include power applied. Since both are required to get established in VRS. once someone has actually put...
Forum: Rotorheads
21st Oct 2017, 02:44
Replies: 39
Views: 6,099
Posted By army_av8r

Vortex ring "state" is a state that occurs when...

Vortex ring "state" is a state that occurs when the rate of decent, and upflow from descending meet each other at a ratio. The "envelope" is very dynamic because it is a factor of rotor thrust...
Forum: Rotorheads
14th Oct 2017, 04:43
Replies: 6
Views: 2,564
Posted By army_av8r

http://www.luizmonteiro.com/learning_vor_sim.aspx...

http://www.luizmonteiro.com/learning_vor_sim.aspx these online instrument simulators are some of the greatest free IFR Sims available, they focus on instrument resins and not the flying, but...
Forum: Rotorheads
10th Oct 2017, 02:11
Replies: 68
Views: 10,678
Posted By army_av8r

Unusual attitude recovery in a GC reminds me a...

Unusual attitude recovery in a GC reminds me a lot of unusual attitudes in powered paragliders, or paramotors. They specifically rely on upflow to maintain wing form/ positive pressure. Very similar...
Forum: Rotorheads
7th Oct 2017, 03:56
Replies: 55
Views: 9,641
Posted By army_av8r

I love mountain flying!

I love mountain flying!
Forum: Rotorheads
6th Oct 2017, 17:16
Replies: 68
Views: 10,678
Posted By army_av8r

not sure, aside from the local recruiting...

not sure, aside from the local recruiting office, haha.
Forum: Rotorheads
6th Oct 2017, 15:36
Replies: 68
Views: 10,678
Posted By army_av8r

Very true, it is incorporated in the training, ...

Very true, it is incorporated in the training, but we typically start at an altitude high enough that it is not a factor for the new guys, haha. But yes, recovery arcs, altitude, power...
Forum: Rotorheads
6th Oct 2017, 15:17
Replies: 68
Views: 10,678
Posted By army_av8r

Very easy to get into these positions and...

Very easy to get into these positions and attitudes while teaching combat maneuvering flight. Vey common to be 50-60 degrees nose up and also rolled 120 degrees either side. Followed by 60 degrees...
Forum: Rotorheads
5th Oct 2017, 03:54
Replies: 68
Views: 10,678
Posted By army_av8r

As a military pilot, and instrument flight...

As a military pilot, and instrument flight examiner, I suppose I had made some assumptions. Our flight task for inadvertent IMC, and unusual attitudes are very similar. They are obviously very...
Forum: Rotorheads
28th Sep 2017, 03:33
Replies: 18
Views: 2,306
Posted By army_av8r

assuming all things remain equal, a left yaw due...

assuming all things remain equal, a left yaw due to large pedal input will cause the obvious yaw, this will put the relative wind off the right side of the aircraft as the nose swings left. The...
Forum: Rotorheads
27th Sep 2017, 22:58
Replies: 18
Views: 2,306
Posted By army_av8r

May I ask a few questions? Are we assuming that...

May I ask a few questions? Are we assuming that the controls are being held in the position required for level flight prior to the intentional upset? And, is the aircraft allowed by the handling...
Forum: Rotorheads
24th Sep 2017, 05:35
Replies: 50
Views: 20,279
Posted By army_av8r

At a very basic level, a loss of power in a twin...

At a very basic level, a loss of power in a twin will result in the healthy engine being required to supply the total required power based on flight profile and collective pitch. If 60% power was...
Forum: Rotorheads
20th Sep 2017, 05:49
Replies: 84
Views: 13,232
Posted By army_av8r

A loss of tail rotor thrust is all about the...

A loss of tail rotor thrust is all about the balance of torque and anti torque. In normal flight we have some amount of torque applied to the main rotor, and we supply the anti torque from a combo...
Forum: Rotorheads
17th Sep 2017, 15:03
Replies: 99
Views: 25,865
Posted By army_av8r

Gentleman, your discussion on freewheel drag has...

Gentleman, your discussion on freewheel drag has truly been entertaining... but it is a waste of time. Rate of descent is a function of density altitude, gross weight, and rotor RPM. anyone who...
Forum: Rotorheads
21st Jul 2017, 13:46
Replies: 15
Views: 1,422
Posted By army_av8r

I hope everyone here understands, especially the...

I hope everyone here understands, especially the OP, that I do not advocate flying a broken aircraft. There is a big difference in returning to base for maintenance, and being told to fly an aircraft...
Showing results 1 to 25 of 90
 


 
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