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Search: Posts Made By: Wide Mouth Frog
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Forum: Rotorheads
1st Apr 2024, 03:15
Replies: 100
Views: 7,154
Posted By Wide Mouth Frog

So this has been a useful debate. We seem to...

So this has been a useful debate.

We seem to agree that the rotor does not demonstrate one key feature of a gyroscope, namely rigidity in space. The question I think we're now trying to answer is...
Forum: Rotorheads
26th Mar 2024, 01:30
Replies: 100
Views: 7,154
Posted By Wide Mouth Frog

I thought very carefully about whether to add to...

I thought very carefully about whether to add to this post, but on balance I think there's an important point to be made.

What I think good teachers are trying to do is to give you enough...
Forum: Rotorheads
22nd Mar 2024, 01:03
Replies: 100
Views: 7,154
Posted By Wide Mouth Frog

Robbiee, by that I meant that here's a practical...

Robbiee, by that I meant that here's a practical person, speaking to his own experience to which there is no answer. Take a compliment when it's offered !
Forum: Rotorheads
21st Mar 2024, 12:03
Replies: 100
Views: 7,154
Posted By Wide Mouth Frog

Robbiee, you'll like this one. A while back...

Robbiee, you'll like this one.

A while back when this subject was running a physicist got involved, and challenged even the most experienced members on here to justify their reasoning why a rotor...
Forum: Rotorheads
16th Jan 2024, 14:23
Replies: 35
Views: 10,375
Posted By Wide Mouth Frog

Crab, I wouldn't dream of criticising you for...

Crab, I wouldn't dream of criticising you for that incident any more than I would criticise the gentleman from Welshpool. From a practical point of view any accident during an instructional flight is...
Forum: Rotorheads
15th Jan 2024, 20:15
Replies: 35
Views: 10,375
Posted By Wide Mouth Frog

No there are no excuses, but there are...

No there are no excuses, but there are explanations, and there is room for empathy. All non-military instructors will have served their time in these sort of flights. No qualification or selection...
Forum: Rotorheads
15th Sep 2023, 00:44
Replies: 1,254
Views: 706,203
Posted By Wide Mouth Frog

Come on you TREs and you FO(T)Is out there. What...

Come on you TREs and you FO(T)Is out there. What do you think ? Nobody is risking anything, the CAA already laid it out in lavender in 2003. How happy are you that these wide gaps exist in...
Forum: Rotorheads
10th Sep 2023, 17:04
Replies: 1,254
Views: 706,203
Posted By Wide Mouth Frog

This is an extraordinary failure by the...

This is an extraordinary failure by the certification authorities and the manufacturer. Attached is a paper from the CAA from 2003 where precisely this gap in certification requirements in was...
Forum: Rotorheads
12th Oct 2021, 02:49
Replies: 163
Views: 57,900
Posted By Wide Mouth Frog

If this is not the first time your meaning has...

If this is not the first time your meaning has been misconstrued, it's possible that there's another learning opportunity here.
Forum: Rotorheads
29th Jun 2021, 11:39
Replies: 10
Views: 3,839
Posted By Wide Mouth Frog

See what I mean ?:}

See what I mean ?:}
Forum: Rotorheads
29th Jun 2021, 11:04
Replies: 10
Views: 3,839
Posted By Wide Mouth Frog

The mods have a cunning way to delete your...

The mods have a cunning way to delete your account without losing your old posts, so it's not an an act of vandalism to leave (unless you want it to be). When I retired, I didn't want to be that old...
Forum: Rotorheads
27th Jun 2021, 19:02
Replies: 10
Views: 3,839
Posted By Wide Mouth Frog

HaHaHa. Happy retirement and good luck keeping...

HaHaHa. Happy retirement and good luck keeping your fingers off the keyboard. I got the mods to delete my account when I retired, and less than a year later I couldn't resist joining in again.
Forum: Flying Instructors & Examiners
23rd Mar 2021, 12:44
Replies: 6
Views: 887
Posted By Wide Mouth Frog

That's a very good point Rundestuff. I did do...

That's a very good point Rundestuff. I did do fixed wing revalidations by experience and that would often involve just a retrospective paperwork exercise to identify some applicable training rather...
Forum: Rotorheads
20th Mar 2021, 14:48
Replies: 15
Views: 3,983
Posted By Wide Mouth Frog

Hughes 500 asked for feedback. I gave him...

Hughes 500 asked for feedback. I gave him feedback, as I did to the company when I cancelled. Hughes now knows a good question to ask when he's talking to them.
Forum: Rotorheads
19th Mar 2021, 22:41
Replies: 15
Views: 3,983
Posted By Wide Mouth Frog

I took a flight with then in 2008. Charming pilot...

I took a flight with then in 2008. Charming pilot flew a clean looking B2 from the international airport to Castries at about 200ft above the forest canopy over the top of the island. I cancelled the...
Forum: Rotorheads
16th Mar 2021, 20:46
Replies: 2,047
Views: 1,308,636
Posted By Wide Mouth Frog

And maybe more importantly, when the guy in the...

And maybe more importantly, when the guy in the back tells you you're flying towards a rock, you take immediate avoiding action rather than engaging in an elaborate two crew pas de deux.
Forum: Rotorheads
10th Mar 2021, 12:24
Replies: 202
Views: 66,170
Posted By Wide Mouth Frog

When you switch a mag off the MAP rises.

When you switch a mag off the MAP rises.
Forum: Rotorheads
10th Mar 2021, 11:29
Replies: 202
Views: 66,170
Posted By Wide Mouth Frog

There used to be a check in there that the MAP...

There used to be a check in there that the MAP was between 13-14" with the collective fully down. That was a good one for picking up this sort of problem. I don't know why they took that out.
Forum: Flying Instructors & Examiners
8th Mar 2021, 22:06
Replies: 6
Views: 887
Posted By Wide Mouth Frog

My suggestion for debate was because the required...

My suggestion for debate was because the required response to some emergencies in the helicopter are more demanding than in fixed wing. If the FE(H)s, and TRE(H)s out there have a view I'd be...
Forum: Flying Instructors & Examiners
8th Mar 2021, 13:53
Replies: 6
Views: 887
Posted By Wide Mouth Frog

EASA NPA 2020-014 - PPL(H) Revalidation by Experience

This NPA (https://www.easa.europa.eu/document-library/notices-of-proposed-amendment/npa-2020-14) proposes amongst other things a change to PPL(H) revalidation to allow revalidation by experience...
Forum: Rotorheads
28th Feb 2021, 22:37
Replies: 339
Views: 64,366
Posted By Wide Mouth Frog

And don't forget poor old Rescue 116 which was...

And don't forget poor old Rescue 116 which was two employed, fully multicrew trained pilots, and it looks rather as if the two crew mullarkey actually prevented them responding to the situation with...
Forum: Rotorheads
21st Jan 2021, 02:24
Replies: 163
Views: 81,647
Posted By Wide Mouth Frog

I think it's missing quite a lot to call this...

I think it's missing quite a lot to call this pilot error.

If you look in the docket at the Operations Factual Report you'll see this Now it's a little surprising that there's no mention of wind...
Forum: Rotorheads
23rd Dec 2020, 15:18
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Can we please stop trying to answer the question...

Can we please stop trying to answer the question "is a rotor a like a gyroscope", and try and answer the question posed which is "is torque induced precession the primary cause of helicopter control...
Forum: Rotorheads
23rd Dec 2020, 12:39
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Interesting. I thought megan's reply was a great...

Interesting. I thought megan's reply was a great answer to part b of my question that would lead you to a non-gyro answer. So to check I looked at wikipedia and one of the shortest helicopter...
Forum: Rotorheads
22nd Dec 2020, 14:27
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Errm. You may have glazed over, but I'm still...

Errm. You may have glazed over, but I'm still interested.

The question was "Is phase lag not the same as gyroscopic precession". I can think of a couple of ways of making that question more...
Forum: Rotorheads
21st Dec 2020, 15:58
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Sorry Crab I missed the point you were making...

Sorry Crab I missed the point you were making about rigidity, but I think Vessbot has already dealt with that with the cardboard disc on a pencil video, where there is almost no link to the spin...
Forum: Rotorheads
21st Dec 2020, 14:32
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Isn't that exactly what a gyro would do if it...

Isn't that exactly what a gyro would do if it experienced an upward force on the into wind side ?
Forum: Rotorheads
20th Dec 2020, 17:58
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

This thread was doing fine until Vessbot asked a...

This thread was doing fine until Vessbot asked a simple question "is phase lag not the same as gyroscopic precession". Quite a lot of things went off the rails after that.

I've got a suggestion...
Forum: Rotorheads
19th Dec 2020, 17:31
Replies: 146
Views: 24,730
Posted By Wide Mouth Frog

Vessbot, SFT, Meddlmoe et al. The problem here is...

Vessbot, SFT, Meddlmoe et al. The problem here is that the real protagonist is not here to help square the circle. Here's what Nick Lappos had to say in 2005


And then a couple of posts later
...
Showing results 1 to 29 of 29


 
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