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Search: Posts Made By: brett s
Showing results 1 to 35 of 88
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Forum: Rotorheads
18th Dec 2023, 11:15
Replies: 67
Views: 25,142
Posted By brett s

As Chinook crew you learned pretty quickly how to...

As Chinook crew you learned pretty quickly how to hook a load up without getting zapped - you also learned how to make sure someone you didn't like got nailed :)
Forum: Rotorheads
12th Jan 2023, 19:11
Replies: 5
Views: 1,641
Posted By brett s

We'd get residual fires on shutdown in CH-47's...

We'd get residual fires on shutdown in CH-47's occasionally, PTIT would start to climb & you'd see smoke out of the exhaust. Just motor the affected engine for a few seconds to put it out.
Forum: Rotorheads
5th Nov 2022, 18:08
Replies: 31
Views: 5,667
Posted By brett s

The 3 dynamic absorbers in the nose & under the...

The 3 dynamic absorbers in the nose & under the cockpit seats of a CH-47 were no fun to replace - heavy & awkward. Sounds like they finally got rid of them in the F models & are using a much lighter...
Forum: Rotorheads
12th Oct 2022, 12:16
Replies: 35
Views: 7,249
Posted By brett s

Here's an example of that.

Here's an example of that.
Forum: Rotorheads
28th Jun 2022, 17:53
Replies: 26
Views: 6,648
Posted By brett s

I remember when they sent civilian contractors to...

I remember when they sent civilian contractors to do an inspection on the entire US Army CH-47C fleet, one of the things they were checking was torque on the spiral bevel gear bolts - my ship failed,...
Forum: Rotorheads
9th May 2022, 14:29
Replies: 10
Views: 2,616
Posted By brett s

I see it's got fixed-pitch rotors too - no...

I see it's got fixed-pitch rotors too - no thanks...
Forum: Rotorheads
12th Jan 2022, 18:00
Replies: 119
Views: 18,530
Posted By brett s

Probably not a great example given exactly what...

Probably not a great example given exactly what caused the emergency in the first place though.

US HEMS EC135P1 Dual Engine Failure: 7 July 2018 - Aerossurance...
Forum: Rotorheads
22nd Sep 2021, 19:30
Replies: 7
Views: 1,888
Posted By brett s

All US Army CH-47D's except for 3 new builds...

All US Army CH-47D's except for 3 new builds started off life as an A, B, or C model & were still using the original airframes - still a few out there, 50+ years old now. Granted, not a lot else...
Forum: Military Aviation
16th Jul 2021, 18:02
Replies: 82
Views: 26,940
Posted By brett s

The Pegasus CH-47 Chinook Helicopter video...

The Pegasus CH-47 Chinook Helicopter video archive. (http://www.chinook-helicopter.com/video/video.html)
Forum: Rotorheads
16th Jul 2021, 15:49
Replies: 32
Views: 10,332
Posted By brett s

Contaminated flight control hydraulic fluid is...

Contaminated flight control hydraulic fluid is what I remember.

On a side note, this is the same airframe you see in the ground resonance video.
Forum: Military Aviation
30th Jan 2021, 12:37
Replies: 9
Views: 3,654
Posted By brett s

US Army didn't change entire blade sets in my...

US Army didn't change entire blade sets in my day, with either metal or composite blades.

The old metal blades were easier to get smooth than the composite blades that replaced them in the 80's....
Forum: Rotorheads
6th Oct 2020, 19:21
Replies: 38
Views: 7,125
Posted By brett s

I used to be in the ag business 30 or so years...

I used to be in the ag business 30 or so years ago, in Florida subdivisions were popping up right beside working farms & then start complaining about all the noise. Wasn't just us with the...
Forum: Rotorheads
12th Aug 2020, 18:16
Replies: 13
Views: 3,540
Posted By brett s

Yep, common on Chinooks with a lot of hours - and...

Yep, common on Chinooks with a lot of hours - and that airframe has been around, first entered service in 1968. It was initially a CH-47C, converted to a CH-47D in the mid 1980's then to a MH-47G in...
Forum: Military Aviation
31st Jul 2020, 15:16
Replies: 136
Views: 45,933
Posted By brett s

This was one of ours in the mid 80's, hit wires...

This was one of ours in the mid 80's, hit wires under NVG's. Was cut by the blades, they were also lucky like this crew.
...
Forum: Rotorheads
4th Jul 2020, 10:55
Replies: 10
Views: 1,867
Posted By brett s

If you want to stick with helicopters, what about...

If you want to stick with helicopters, what about the CH-47 - first flight in 1961, still in production.
Forum: Rotorheads
21st Jan 2020, 23:06
Replies: 23
Views: 6,740
Posted By brett s

Was still a thing 30 or so years ago when I was...

Was still a thing 30 or so years ago when I was spraying crops, the operator I worked for kept some hanging around "just in case".
Forum: Rotorheads
18th Aug 2018, 16:00
Replies: 39
Views: 6,303
Posted By brett s

That's what it looks like to me as well - he was...

That's what it looks like to me as well - he was stationary until he panned far enough to see the approaching helicopter & only then started moving toward it's path.

If he didn't see it, why did...
Forum: Rotorheads
16th Dec 2017, 23:27
Replies: 22
Views: 5,190
Posted By brett s

My unit had a CH-47C hit wires in 1985 that were...

My unit had a CH-47C hit wires in 1985 that were spotted right before impact, the IP at the controls pulled up & banked, the wires were apparently cut by the fwd rotor which lost part of the tip on...
Forum: Rotorheads
28th Jul 2017, 17:36
Replies: 32
Views: 10,987
Posted By brett s

It may be hard to do what's right when your job...

It may be hard to do what's right when your job is on the line, but what's your life worth? What about everyone else?

That's not the sort of operator I would want to keep working for anyways.
...
Forum: Rotorheads
11th Jul 2015, 19:40
Replies: 28
Views: 6,604
Posted By brett s

I started out working for an ag operator as a...

I started out working for an ag operator as a combination mechanic/loader/truck driver, the owner allowed me to ferry ships between job sites when it was practical.

Worked out for both of us, he...
Forum: Rotorheads
10th Nov 2014, 13:04
Replies: 30
Views: 8,853
Posted By brett s

We usually carried 2 or 3 CONEX containers at a...

We usually carried 2 or 3 CONEX containers at a time with CH-47C's (single cargo hook) but I don't remember singles wanting to spin more than anything else.

MILVAN containers were a different...
Forum: Rotorheads
31st Aug 2014, 20:47
Replies: 12
Views: 2,936
Posted By brett s

Had a propane cannon fire right under me as I...

Had a propane cannon fire right under me as I dropped over a hedgerow while spraying a field - couldn't see it from the back side & I forgot it was there while working another area, that'll get your...
Forum: Rotorheads
30th Jan 2014, 21:39
Replies: 649
Views: 222,403
Posted By brett s

Here's the 714A chart, they are a bit better at...

Here's the 714A chart, they are a bit better at altitude.

http://i28.photobucket.com/albums/c222/sumpterbrett/Capture_zpsb620864e.jpg
Forum: Rotorheads
30th Jan 2014, 20:15
Replies: 649
Views: 222,403
Posted By brett s

Looks like a CH-47D/F with 714A engines can hover...

Looks like a CH-47D/F with 714A engines can hover OGE at 15K/95F at about 32,000 lbs (at 10 minute power), empty weight is 23,400.
Forum: Rotorheads
12th Apr 2013, 20:02
Replies: 1,224
Views: 765,054
Posted By brett s

Sure, depending on the type of crop, material...

Sure, depending on the type of crop, material used & the weather.

5' was pretty typical when I was doing it, even lower if there was much wind. On a dead calm day maybe up to 10'.
Forum: Rotorheads
20th Feb 2013, 17:11
Replies: 171
Views: 69,482
Posted By brett s

I understand the concept behind measuring bolt...

I understand the concept behind measuring bolt stretch to determine preload (and why it's better than using torque in some applications), but I've also never seen it called for on the particular...
Forum: Rotorheads
9th Feb 2013, 17:05
Replies: 21
Views: 5,373
Posted By brett s

Bell 47's & Hiller 12's didn't have low rpm...

Bell 47's & Hiller 12's didn't have low rpm warning - neither did CH-47's, at least through the D model (haven't set foot in anything newer).
Forum: Rotorheads
28th Dec 2012, 23:40
Replies: 14
Views: 4,806
Posted By brett s

I did it in 43 hours, about a month from start to...

I did it in 43 hours, about a month from start to finish - flying a couple sessions a day when weather & availability permitted. I think that definitely helped speed things up...this was in the R22....
Forum: Rotorheads
28th Sep 2011, 12:08
Replies: 41
Views: 10,504
Posted By brett s

Exactly - calculate how much power it'll take...

Exactly - calculate how much power it'll take for get the desired rotor rpm at flat pitch & you'll find it far higher than 1 or 2 humans can generate.
Forum: Rotorheads
31st Aug 2011, 12:06
Replies: 24
Views: 3,442
Posted By brett s

CH-47's also have transmission driven generators...

CH-47's also have transmission driven generators (plus one on the APU on D & newer models), the engines have hydraulic starters.
Forum: Rotorheads
1st Jun 2011, 12:37
Replies: 23
Views: 3,551
Posted By brett s

Depends - some types will allow limited use of...

Depends - some types will allow limited use of avgas under some circumstances.
Forum: Rotorheads
25th May 2011, 15:40
Replies: 14
Views: 2,584
Posted By brett s

I got my first Huey ride in 1963 when only a...

I got my first Huey ride in 1963 when only a couple days old - a hospital transfer flight between Heidelburg & Mannheim, I was born 2 months premature weighing 4 lbs 4 ounces (my father was a 1LT...
Forum: Rotorheads
25th Apr 2011, 17:14
Replies: 37
Views: 6,065
Posted By brett s

Go fly a Hiller 12 if you want to see control...

Go fly a Hiller 12 if you want to see control delay - I still my first couple minutes in one ;)
Forum: Rotorheads
25th Sep 2010, 12:05
Replies: 1,224
Views: 765,054
Posted By brett s

qYExH8hpgXI

qYExH8hpgXI
Forum: Rotorheads
4th Jun 2010, 22:48
Replies: 35
Views: 6,140
Posted By brett s

All of the Bell 47's & the one Hiller 12E I've...

All of the Bell 47's & the one Hiller 12E I've flown had one. Some much better than others...
Showing results 1 to 35 of 88
 
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