Tailshaft Vibration

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A Class
Posts: 10
Joined: Wed 15 Mar, 2017 11:07 am
Model you own: I own multiple different models

Tailshaft Vibration

Post by Driver » Thu 15 Mar, 2018 6:44 pm

We have virtually finished the build of our W115 as an endurance rally car but have a bad tail shaft vibration. All the connections, mounts, bearings have been renewed, the diff rebuilt, new drive shafts and the shaft has been balanced three times but the vibration is getting worse not better. We have eliminated every other possible source of the vibration that we can think of. Is there a secret trick to balancing these shafts?
Any suggestions gratefully received?

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300 SLR
Posts: 1877
Joined: Fri 10 Oct, 2008 12:10 am
Model you own: w111
Location: Perth WA

Re: Tailshaft Vibration

Post by Bartman4800 » Mon 19 Mar, 2018 7:09 pm

Are you sure it is the propshaft?

Please give us the scenario in which the vibrations occur, and we might have a clue what the source is...

1963 220 Sb Sedan "Kermit" (Australian Assembly)
1960 220 Sb Sedan "Zum Schlachten" (Early German Assembly, with a torsion bar spring for the bonnet) - Stored in Country WA
1981 Subaru Brumby 1.8 with Weber and 5-speed box "little utie" - Sold to another enthusiast!
2006 Ford Focus "daily driver"
2002 VW Passat V6 30V Station Wagon (SOLD - This car into a money pit)
2011 Kia Sportage "Missus commuter Bus"
2002 Mitsubishi Rosa Bus (converting it to a motor home)

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