MTH GP 35 High Pitch Sound

Without a video, I would guess its the turbo whine, but its impossible to tell without shooting a video or audio clip and posting it.

There is a distinct turbo whine in the GP35. I've heard it on several prototypes and it can be loud at times. Mine didn't sound out of the ordinary. Can you post a video?

go into your sounds setting menu or on your soft keys if you hava a dcs system and adjust the engine accent sounds a little this will keep your horn and idle  sounds the same but the turbine or generator sounds down to a low roar. In some of my es44ac's the operating sounds where  louder then the horn from the factroy and I applied this to my engine and it help stop drowning out my idle and horn sounds. Good luck

its the turbo thing man!- it took mth some time  to get it right in some of the soundfiles,but their pretty good now.

  back in my tractor pulling days , a couple guys would put turbos on their older case and john deere 6 cylinder tractors. they whined pretty good with 20-30 lbs of boost,and really came alive on the track,when fed alittle more fuel.-jim

I just received the Ohio Central GP-35 and the turbo sound is right on the money.

 

Thanks for the replies.  I adjusted the accent volume with no change in the whine. The MTH demo video of the GP35 sounds fine and is without the whine my loco seems to have.

Hopefully, I've attached a video of the loco and its sound. If my loco's turbo sound is correct, I am sure someone will let me know.

Sounds OK to me. The Geep 35's I've heard had a pretty loud whine as I remember.

 

Nice looking units, Bill. 

Sounds OK to me. Fred

Sounds fine--and perfectly normal for a turbo-equipped locomotive--to me.

Sounds about  right to me. SD40's and GP40s should sound about the same. If I remember right the turbo is gear driven until throttle 7 or 8 and then exhaust gas spins it.
The GP35's were quite loud and just generaly noisy engines, at least on the Missouri Pacific where they were well used. The Mopac had a rebuild program that eliminated the turbo and turned many of them into a  GP38,called a GP35M.
Dan

Nice looking units, Bill.

 

 

Thanks, these two locos were about 5 years apart coming down MTH production line but the paint match was dead on perfect. Perfect match on all 3 colors.

Thank you all. Problem is solved - since the problem was with me and not the locomotive. I was comparing the sound to GP 38's which come in and do pick up and set outs nearby (attached).  The slow speed sound is a perfect match, but the GP 38's don't get the whine - thanks Diesel Dan 

Well, of course they don't sound the same.  The GP38 has a roots blower and the GP35 has a turbocharger.