Strange scraping sound on touchdown

***delta_lima*** · June 10th, 2012, 11:39

On a few aircraft, I hear a terrible scraping sound .... Like a wheels-up landing (never done one, but that's the best way I can decribe it).

It happens with certain aircraft only, but with those, it happens all the time on all surfaces (tarmac or carrier deck). I haven't done a complete inventory of which are affected - so far, I've found it on Rob Richardson's Vampire, Flying Stations' Sea Fury, to name a few. In the case of the Sea Fury, it does it with either the stock sounds or Nigel's soundest.

I want to say maybe Falcon409 may have raised this before - searched, but can't find the thread.

Sim is FSX Acell.

Thanks!

DL

***falcon409*** · June 10th, 2012, 12:39

DL mine was a "water landing" sound with every airplane. To be honest, I hadn't even thought about it for some time. . .and it seems to have disappeared on it's own.

***WarHorse47*** · June 10th, 2012, 15:53

I encountered this in FS9, and traced the source to the effects file.

Here are the first few lines of the offending fx file [fx_tiremark_6.fx].

[Library Effect]
Lifetime=5
Version=2.00
Sound=5
Sound Param=13

It's possible these days for a stock effect file to be overwritten and shared by several a/c.

I would take a look at a specific a/c cfg file, track down the individual effect file, and examine it with an editor like notepad. I just deleted the above [Library Effect] and never had a problem since.

--WH

***Rich*** · June 10th, 2012, 16:58

Dl have you posted anything about this in the Flying Stations Forum ??

At the moment you are the only one with this problem, I certainly do not have it with any of the sound setups I have tried though I have have not tried Rob Richardson's Vampire yet.

The sort of sounds you describe will come from the main FSX sound folder not the aircraft sound folder.

As far as I can see there is nothing wrong in the sound.cfg of the ones you have a problem with.

Have you done anything in the contact points section as the sounds you mention can be triggered from there

***Rich*** · June 10th, 2012, 17:52

While I found [fx_tiremark_6.fx] in Fs9 effects I can not find it in FSX effects.

As far as I can see nowhere is that effect being called for in the Sea Fury.

Originally Posted by WarHorse47

I encountered this in FS9, and traced the source to the effects file.

Here are the first few lines of the offending fx file [fx_tiremark_6.fx].

[Library Effect]
Lifetime=5
Version=2.00
Sound=5
Sound Param=13

It's possible these days for a stock effect file to be overwritten and shared by several a/c.

I would take a look at a specific a/c cfg file, track down the individual effect file, and examine it with an editor like notepad. I just deleted the above [Library Effect] and never had a problem since.

--WH

**Ranger75** · June 10th, 2012, 18:47

An effects file causing that irritating touchdown sound. Who knew! Thanks for the lead WarHorse. For me, it was "fx_tchdwn_s" that had been replaced at some point. With the default file back in place, touch down sounds are back to normal.

***Rich*** · June 10th, 2012, 19:27

Ranger75, is this anything to do with DL's sound problem ?? do you have the same problem with the Sea Fury and Vampire ???

In FSX I have this for touchdown effect
fx_tchdwn_s.fx

Originally Posted by Ranger75

An effects file causing that irritating touchdown sound. Who knew! Thanks for the lead WarHorse. For me, it was "fx_tchdwn_s" that had been replaced at some point. With the default file back in place, touch down sounds are back to normal.

***WarHorse47*** · June 10th, 2012, 19:43

Cheers, Ranger

--WH

***delta_lima*** · June 10th, 2012, 21:33

Thanks all for the replies. Will review the fx files in question.

Rich, I didn't post on Flying Stations because I am not convinced that it had to do with the Fury per se. It was fine a few days ago, and now it isn't.

Cheers!

DL

***Rich*** · June 10th, 2012, 21:39

WarHorse47, are you using Fs9 or FSX or both ???

Originally Posted by WarHorse47

Cheers, Ranger

--WH

***Rich*** · June 10th, 2012, 21:59

DL if you had said this in the first place it would have saved me wasting a lot of time.

The release sounds have engine sounds only so no touchdown or scrape sounds from there and neither does that sound.cfg call on FSX default sounds.

Originally Posted by delta_lima

Thanks all for the replies. Will review the fx files in question.

Rich, I didn't post on Flying Stations because I am not convinced that it had to do with the Fury per se. It was fine a few days ago, and now it isn't.

Cheers!

DL

***Rich*** · June 11th, 2012, 02:28

DL, can you post the [EFFECTS] section from your Sea Fury aircraft.cfg, see what we can work out from that.

**Ranger75** · June 11th, 2012, 03:44

I suspect the noise is the same one DL is trying to get rid of, but it could just as well be an entirely different problem. The scraping noise was heard with the RealAir Dukes and other aircraft at some but not all airports. I don't have the Sea Fury.

***Rich*** · June 11th, 2012, 04:04

Ranger75, are you using FSX or Fs9.

I would have thought that sound you have should be on all airports.

**Ranger75** · June 11th, 2012, 04:24

Originally Posted by Rich

Ranger75, are you using FSX or Fs9.

I would have thought that sound you have should be on all airports.

Have both installed, but this issue is specific to FSX. The default file size for fx_tchdwn_s is 3.5 KB and the 'corrupted' one is 2.5 KB. I don't know where the replacement came from and when it was installed. How and why an effects file supposedly to do with tire smoke can cause a scraping noise at some airports and not at others is just one of those always amusing flight sim mysteries!