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Search: Posts Made By: Arnie Madsen
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Forum: Rotorheads
7th May 2021, 20:48
Replies: 1,952
Views: 1,504,966
Posted By Arnie Madsen

Hi Joe .... my comment is about ... "how the...

Hi Joe .... my comment is about ... "how the crack grows undetected"

I followed this investigation closely (read everything) back in the day ..... a small surface crack may not progress on its own...
Forum: Rotorheads
19th Apr 2021, 14:02
Replies: 61
Views: 10,722
Posted By Arnie Madsen

4 pound helicopter that requires 10 pilots . ...

4 pound helicopter that requires 10 pilots .
This is progress ??
Forum: Rotorheads
17th Apr 2021, 12:56
Replies: 11
Views: 3,830
Posted By Arnie Madsen

. He Modified his Land Rover because that is...

.

He Modified his Land Rover because that is how he wanted to be transported to his funeral.

Gotta love a man like that
...
Forum: Rotorheads
12th Apr 2021, 22:26
Replies: 11
Views: 1,496
Posted By Arnie Madsen

Barnstormers

Barnstormers
Forum: Rotorheads
6th Apr 2021, 09:22
Replies: 71
Views: 11,962
Posted By Arnie Madsen

For the life of me I could never comprehend why...

For the life of me I could never comprehend why RHC continued with the problematic R22 style blades when they came out with the larger R44 machine

A wrap around skin over the spar would eliminate...
Forum: Rotorheads
4th Apr 2021, 04:18
Replies: 71
Views: 11,962
Posted By Arnie Madsen

The really really short version: R44 ......

The really really short version:

R44 ... outboard section of one blade delaminated and failed
Settled almost straight down through forest canopy ... evidence of low rotor rpm
Pilot found in his...
Forum: Rotorheads
3rd Apr 2021, 09:51
Replies: 188
Views: 46,656
Posted By Arnie Madsen

As far as the tail rotor , Oskar said he tested...

As far as the tail rotor , Oskar said he tested many different methods ... and was somewhat surprised that multiple independent small rotors were the best .

It is agreed that the current test...
Forum: Rotorheads
3rd Apr 2021, 03:59
Replies: 34
Views: 9,194
Posted By Arnie Madsen

The Knik Glacier area is is a national resources...

The Knik Glacier area is is a national resources management area ... tourists have to carry their garbage out when they leave , and I suppose that applies to aircraft wreckage as well .... most...
Forum: Rotorheads
2nd Apr 2021, 13:43
Replies: 18
Views: 3,091
Posted By Arnie Madsen

Could also be a matter of terminology To me a...

Could also be a matter of terminology
To me a hover is stationary over one spot
If I am moving at all , or maneuvering to a helipad it is a hover- taxi
Forum: Rotorheads
1st Apr 2021, 08:31
Replies: 34
Views: 9,194
Posted By Arnie Madsen

The one survivor was still in the fuselage which...

The one survivor was still in the fuselage which may have saved him ..... the other occupants were elsewhere ..... as I said earlier the 900 foot tumble down the mountain may have been more...
Forum: Rotorheads
30th Mar 2021, 09:30
Replies: 34
Views: 9,194
Posted By Arnie Madsen

My guess .... going by the few pictures available...

My guess .... going by the few pictures available is that the fuselage was reasonably intact , but everything rolling down the mountain for 900 feet likely caused the casualties .... bodies thrown...
Forum: Rotorheads
30th Mar 2021, 01:51
Replies: 5
Views: 1,894
Posted By Arnie Madsen

Street thug in our town who had a bad reputation...

Street thug in our town who had a bad reputation .... meet him on a sidewalk or hallway and he expected everyone to step aside and let him pass ... mean looking dude with pitch black eyes just like...
Forum: Rotorheads
28th Mar 2021, 18:24
Replies: 188
Views: 46,656
Posted By Arnie Madsen

The smaller the aircraft , the better electric...

The smaller the aircraft , the better electric works (drones etc) .... much larger and results diminish .... something to do with molecules of air on a small propeller at high rpm .... compared to...
Forum: Rotorheads
26th Mar 2021, 17:47
Replies: 188
Views: 46,656
Posted By Arnie Madsen

I have followed Oskar's testing for a while now ...

I have followed Oskar's testing for a while now
I believe he uses the original Mosquito helicopter freewheel unit

He was very thorough , all his initial testing was tethered flight , measured...
Forum: Rotorheads
26th Mar 2021, 06:40
Replies: 188
Views: 46,656
Posted By Arnie Madsen

. Video of the Oskar Stielau Electric in...

.

Video of the Oskar Stielau Electric in flight .... and demonstrates an auto.

https://www.youtube.com/watch?v=T6-BV-6dKvg
Forum: Rotorheads
26th Mar 2021, 06:04
Replies: 188
Views: 46,656
Posted By Arnie Madsen

Electric Helicopter Oskar Stielau Auckland,...

Electric Helicopter
Oskar Stielau
Auckland, New Zealand

During September 2019, inventor Oskar Stielau, based in Auckland, New Zealand, started the development of an experimental electric...
Forum: Rotorheads
25th Mar 2021, 07:29
Replies: 9
Views: 1,779
Posted By Arnie Madsen

John S. may still have his 18A .... or will know...

John S. may still have his 18A .... or will know where it is ..... he is WaspAir on this thread link .... I do not have his contact info but believe he is in Colorado

A&S 18A For sale and jump T/O...
Forum: Jet Blast
23rd Mar 2021, 05:48
Replies: 137
Views: 8,049
Posted By Arnie Madsen

I had a friend Ken who inherited his dads 1933...

I had a friend Ken who inherited his dads 1933 ford coupe with suicide doors
Well maintained and he and his wife would take it out for Sunday drives.
Decided to take it around the perimeter highway...
Forum: Jet Blast
22nd Mar 2021, 08:35
Replies: 137
Views: 8,049
Posted By Arnie Madsen

1954 Chevrolet BelAir 125 hp 6 cylinder engine ...

1954 Chevrolet BelAir
125 hp 6 cylinder engine
Power brakes and Powerglide 2 speed automatic transmission

Power brakes and automatic transmissions were recent options in that era .
Normal...
Forum: Rotorheads
19th Mar 2021, 06:39
Replies: 9
Views: 2,379
Posted By Arnie Madsen

. Got to admit I like the collective console...

.

Got to admit I like the collective console with an armrest ..... and the way the cyclic appears to go forward and upward behind the dash .... nothing obstructing the pilots legs.

.
Forum: Rotorheads
11th Mar 2021, 17:07
Replies: 15
Views: 2,728
Posted By Arnie Madsen

Old Pharts like us are afraid of the whiz kids...

Old Pharts like us are afraid of the whiz kids who could fly one within 10 minutes of being handed the controls.

.Impressive?? - PPRuNe Forums...
Forum: Rotorheads
10th Feb 2021, 14:22
Replies: 27
Views: 19,388
Posted By Arnie Madsen

. Lets see if I got this right .... a...

.

Lets see if I got this right .... a Robinson pilot has to carry a coin to tap his blades for hollow spots .... and a Bell pilot has to carry a piece sandpaper to keep his blades smooth.

HAAAA...
Forum: Rotorheads
10th Feb 2021, 14:15
Replies: 209
Views: 26,258
Posted By Arnie Madsen

I keep thinking that one of the gremlins was when...

I keep thinking that one of the gremlins was when he was switched to a different ATC ... the first one had guided him to skirt Van Nuys .... circle for 12 minutes or so .... then up to the highway...
Forum: Rotorheads
31st Jan 2021, 14:51
Replies: 209
Views: 26,258
Posted By Arnie Madsen

I think Kobe owned the S76 and then the charter...

I think Kobe owned the S76 and then the charter service took it over .... maybe he got a special hourly rate within the deal.
Forum: Rotorheads
13th Jan 2021, 01:01
Replies: 46
Views: 18,543
Posted By Arnie Madsen

Going by the video in post #1 , I say it was a...

Going by the video in post #1 , I say it was a release , not broken cable , because if you pause at 0:30 it shows the loop is intact .

Would there not be two separated cable ends if it broke ??
...
Showing results 1 to 25 of 220
 


 
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