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Search: Posts Made By: AnFI
Showing results 1 to 35 of 834
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Forum: Rotorheads
31st Mar 2022, 11:38
Replies: 196
Views: 19,165
Posted By AnFI

Yes quite right 212 total agree tried it before...

Yes quite right 212 total agree tried it before with not traction

rearrange and forget about U^2 (zero)
s= v^2 / 2a
then for 4000fpm (roughly 20m/s) stopping at acceleration (a) of 1g...
Forum: Rotorheads
31st Mar 2022, 08:56
Replies: 58
Views: 20,500
Posted By AnFI

Shy that video is deceptive it looks...

Shy that video is deceptive it looks like the helicopter is moving left to right but the frame is 90degrees rotated anti clockwise so the actual path is substantially downwards (not...
Forum: Rotorheads
31st Mar 2022, 08:50
Replies: 196
Views: 19,165
Posted By AnFI

Very nice video from 2:10: ...

Very nice video from 2:10: https://www.youtube.com/watch?v=HjeRSDsy-nE



This maths might be useful to some on this thread: Using Speed Difference and DistanceConvert the initial and...
Forum: Rotorheads
29th May 2021, 20:21
Replies: 2,607
Views: 2,845,501
Posted By AnFI

Prunie June Sorry to Gay Absalom has divested...

Prunie June
Sorry to Gay Absalom has divested herself of mortal vestiges and has joined the immortals
1st femail UK CPL(H)?
magnificent woman
Forum: Rotorheads
24th Mar 2021, 23:13
Replies: 7
Views: 3,446
Posted By AnFI

wow thats people trying like HILL HX50...

wow

thats people trying

like HILL HX50 ?
Forum: Rotorheads
10th Jun 2020, 09:43
Replies: 26
Views: 5,344
Posted By AnFI

Hi Radgirl, Thanks for whatever your efforts...

Hi Radgirl,

Thanks for whatever your efforts and involvement have been, everyone apreciates this, It sounds like you are quite immersed in it.
Maybe too much to be objective.

"The incidence...
Forum: Rotorheads
8th Jun 2020, 11:42
Replies: 26
Views: 5,344
Posted By AnFI

IF the chance of encountering someone who is...

IF
the chance of encountering someone who is contageous is < 1 in 5000
AND IF
the chance of death on catching it is < 1 in 1000
AND IF
the chance of catching it from someone sharing your cockpit...
Forum: Rotorheads
23rd Feb 2020, 13:23
Replies: 10
Views: 10,716
Posted By AnFI

"probable cause of the accident was aircraft's...

"probable cause of the accident was aircraft's veering towards right during initial take-off roll as a result of asymmetric power due to abrupt shifting of right power lever rearwards"
:rolleyes:...
Forum: Rotorheads
10th Feb 2020, 09:23
Replies: 115
Views: 43,574
Posted By AnFI

what's the 'yaw stiffness' on a 139 like? is it...

what's the 'yaw stiffness' on a 139 like? is it really as bad as ShyTorque suggests?
Forum: Rotorheads
10th Feb 2020, 09:20
Replies: 115
Views: 43,574
Posted By AnFI

"in a Wessex?" I presume you disagree with the...

"in a Wessex?" I presume you disagree with the CAA on this:

"

This depends heavily on the yaw stiffness of the aircraft without TR thrust. For example, the Gazelle, Squirrel, Jetranger, Sea...
Forum: Rotorheads
10th Feb 2020, 06:33
Replies: 115
Views: 43,574
Posted By AnFI

You have a point and I really hate criticism of...

You have a point and I really hate criticism of pilots but you are a hypocrite having made a much worse criticism of a similar kind.
One case was incompetence (by system or pilot), with fatalities....
Forum: Rotorheads
10th Feb 2020, 05:28
Replies: 115
Views: 43,574
Posted By AnFI

I am sure that you are right that the SIM does...

I am sure that you are right that the SIM does this.
If the aircraft does this, then how is it allowed to fly?
Who would fly in such an aircraft? Darwinian process at work maybe?

ShyTorque
Yes...
Forum: Rotorheads
9th Feb 2020, 20:24
Replies: 19
Views: 5,165
Posted By AnFI

insincere ibberish veiled insults unmoderated,...

insincere ibberish veiled insults unmoderated, makes you sick.
Nothing to do with pointless servo duplication.
Forum: Rotorheads
9th Feb 2020, 19:54
Replies: 115
Views: 43,574
Posted By AnFI

SASless OF COURSE you already know that you...

SASless
OF COURSE you already know that you need to point the stick in the direction you want to go !!!
Some people here seem to think you point the stick forward in the cockpit, and put the nose...
Forum: Rotorheads
9th Feb 2020, 14:23
Replies: 115
Views: 43,574
Posted By AnFI

"match the rate of rotation is not a recognised...

"match the rate of rotation is not a recognised or even slightly valid technique."

souldn't mix recognised and valid here. maybe not recognised but obviously valid.

if, by yaw, one keeps the...
Forum: Rotorheads
8th Feb 2020, 20:54
Replies: 19
Views: 5,165
Posted By AnFI

Crab: "where duplication is achievable without...

Crab: "where duplication is achievable without enormous weight penalty, it is desirable to provide redundancy"
good point, quite right.
It is about measuring how worthwhile it is. Not ONLY in terms...
Forum: Rotorheads
8th Feb 2020, 20:38
Replies: 115
Views: 43,574
Posted By AnFI

eh, you Jimmy: "How almost zero airspeed "flare"...

eh, you Jimmy: "How almost zero airspeed "flare" could increase NR?" You can actually flare from a dive to horizontal, it works.

Crab :=..... wrt "he has lowered the lever to reduce tq...
Forum: Rotorheads
4th Feb 2020, 16:26
Replies: 115
Views: 43,574
Posted By AnFI

TR failure? Pilot tried well and very good...

TR failure?

Pilot tried well and very good outcome. Was the heart recipient a fatality?
Good thing it was not over a city.
Could have been a CATASTROPHE ?

to gain airspeed in a rotating...
Forum: Rotorheads
4th Feb 2020, 16:13
Replies: 19
Views: 5,165
Posted By AnFI

"We await your brand of simple yet effective...

"We await your brand of simple yet effective servos to hit the helicopter market"

I think Bell, Robinson and others make a historically reliable single hydraulic servo arragement.
Certainly...
Forum: Rotorheads
21st Jan 2020, 15:43
Replies: 19
Views: 5,165
Posted By AnFI

Simplicity focus margin . looking at the diagram...

Simplicity focus margin . looking at the diagram the component is excessively complex not really fit for 10^-9 servos to be dependant on imo
Forum: Rotorheads
20th Jan 2020, 21:07
Replies: 19
Views: 5,165
Posted By AnFI

212: "What would your solution be" I would try...

212: "What would your solution be"
I would try and do what this pilot did and have it happen at 4ft.

Engines?!?!?! overrated !!! better to put the effort into important real things
Forum: Rotorheads
20th Jan 2020, 19:31
Replies: 19
Views: 5,165
Posted By AnFI

"the cyclic pitch actuator that let go" or maybe...

"the cyclic pitch actuator that let go" or maybe one of the three double actuators

1x10^-9 is a bogus fantasy as we see with the terrible toll this delusion results in

would have been a...
Forum: Rotorheads
13th Jan 2020, 10:36
Replies: 19
Views: 5,165
Posted By AnFI

How 'catestrophic' would it be if EC135 MR...

How 'catestrophic' would it be if

EC135 MR actuator tie-bar fracture while lifting off, lands but heavy damage. Link (https://www.gov.uk/aaib-reports/aaib-investigation-to-ec135t1-vp-cps)
...
Forum: Rotorheads
5th Sep 2019, 14:01
Replies: 49
Views: 14,369
Posted By AnFI

found this, interestig:Kerosene or Gas Oil? How...

found this, interestig:Kerosene or Gas Oil? How to tellHave you moved into a house and wondered what type of heating oil you are supposed to put in the tank? Luckily the answer is relatively...
Forum: Rotorheads
14th Jun 2019, 21:57
Replies: 51
Views: 38,085
Posted By AnFI

damned rude

damned rude
Forum: Rotorheads
14th Jun 2019, 21:35
Replies: 51
Views: 38,085
Posted By AnFI

BOTH engines !!!! Again? Surely not possible, at...

BOTH engines !!!! Again? Surely not possible, at least it's not over a hostile congested area :rolleyes:
Forum: Rotorheads
25th Apr 2019, 02:54
Replies: 165
Views: 67,061
Posted By AnFI

and most are too low at the time of the accident...

and most are too low at the time of the accident ...:8
Forum: Rotorheads
25th Apr 2019, 00:42
Replies: 244
Views: 308,186
Posted By AnFI

i saw BA blew $850m on fuel hedging, management...

i saw BA blew $850m on fuel hedging, management eh?
Forum: Rotorheads
25th Apr 2019, 00:39
Replies: 62
Views: 40,269
Posted By AnFI

wot? 2 engines and no fuel? really? see Cultha...

wot? 2 engines and no fuel? really?
see Cultha thread and Category A Takeoff thread
Forum: Rotorheads
25th Apr 2019, 00:34
Replies: 1,615
Views: 1,863,922
Posted By AnFI

sounds like it needs a bigger fenestron (and a...

sounds like it needs a bigger fenestron (and a bigger engine) ??
Forum: Rotorheads
25th Apr 2019, 00:07
Replies: 165
Views: 67,061
Posted By AnFI

DB, Shy, megan, JE and BR There are some...

DB, Shy, megan, JE and BR

There are some really good points there, thank you.
They do throw out a few elements out that might help the religious extremists understand the infidels, and maybe...
Forum: Rotorheads
22nd Apr 2019, 17:21
Replies: 165
Views: 67,061
Posted By AnFI

DB COST BENEFIT ANALYSIS: CBA Yes -...

DB

COST BENEFIT ANALYSIS: CBA

Yes - what you say is the B part, I agree!!! Not in dispute (mostly)

To make a valid decision you need to look at the C part: The COST
You cant just claim...
Forum: Rotorheads
21st Apr 2019, 23:18
Replies: 165
Views: 67,061
Posted By AnFI

Lonewolf 50 "Go back to school, and learn again...

Lonewolf 50 "Go back to school, and learn again the difference between correlation and causation." I didn't make any comment regarding cause or correlation, it's just a factoid. What should I be...
Forum: Rotorheads
21st Apr 2019, 23:00
Replies: 165
Views: 67,061
Posted By AnFI

Crab ; yes you are right - I have not, (I have...

Crab ; yes you are right - I have not, (I have suggested some figures) ... but neither have those purporting to:
ref post #118 re ALoSP - why not ??
"Isn't that how statistics work?" yes it is....
Forum: Rotorheads
21st Apr 2019, 21:53
Replies: 165
Views: 67,061
Posted By AnFI

:rolleyes: xxxxxxx

:rolleyes:
xxxxxxx
Showing results 1 to 35 of 834
 
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