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What makes the high pitched whining sound in a Beetle ?
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chanaka
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Joined: August 13, 2013
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PostPosted: Fri Aug 16, 2013 1:55 am    Post subject: What makes the high pitched whining sound in a Beetle ? Reply with quote

Hi all,

I always associated a VW beetle with the characteristic exhaust whistle, boxer exhaust sound and the high pitched whine the engine produces.

I have looked at an oval and a Zwitter in the last few days and neither of them had that high pitched whine.

The sound I am talking about can be heard in this video when he revs the engine

Someone told me that there is a vane inside the fan housing which, if you bend it, the whine goes away.

What really produces that sound ?


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aa390392
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PostPosted: Fri Aug 16, 2013 8:35 am    Post subject: Reply with quote

Could the whining be your wife whining about spending your IRA on a beetle! Laughing
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747frieghtdog
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PostPosted: Fri Aug 16, 2013 9:41 am    Post subject: Reply with quote

That sound usually means there is a pilot near by complaining about something.
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sgmalt46
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PostPosted: Fri Aug 16, 2013 5:09 pm    Post subject: Reply with quote

it's fan noise. sounds like a normal 36 hp fan sound. your car has a later motor looks like 1300-1600 single port? they probably used the fan from the original motor?
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volksfahrer
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PostPosted: Sat Aug 17, 2013 7:26 am    Post subject: Re: What makes the high pitched whining sound in a Beetle ? Reply with quote

chanaka wrote:
Hi all,

I always associated a VW beetle with the characteristic exhaust whistle, boxer exhaust sound and the high pitched whine the engine produces.

I have looked at an oval and a Zwitter in the last few days and neither of them had that high pitched whine.

The sound I am talking about can be heard in this video when he revs the engine

Someone told me that there is a vane inside the fan housing which, if you bend it, the whine goes away.

What really produces that sound ?


Link
o

...it's partly coming from the fan...but the caracteristic early beetle sound is actually a mix of the unsyncronised gearbox and the cooling system
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