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VCCA Home Forums TECHNICAL - 1945 AND EARLIER 1929-1932 1929 Speedo running backwards

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Re: 1929 Speedo running backwards Skidd #270549 02/13/13 10:53 PM
Joined: Mar 2011 Posts: 182 Melbourne, Australia Skidd OP Shade Tree Mechanic
OP Skidd Shade Tree Mechanic Joined: Mar 2011 Posts: 182 Melbourne, Australia	SOLUTION FOUND Turns out that the guy who rebuilt the gearbox in my 1929 for me had put the speedo drive gear (on the tailshaft yolk) and the driven gear (in the universal joint housing) from a 1928 into my 1929 gearbox. He didn't actually realise that they were different. Here is the speedo driven gear from a 1929 / 30. They are cut one way... And here is the speedo driven gear from a 1928, you will see that the gears are cut the opposite way to the one shown above. This is the one that was taken out of my gearbox. Of course the speedo drive gear on the tailshaft yolk was also fitted the wrong way around for a 1929. So there you go... you can put a 1928 speedo drive and driven gear into a 1929 and it will turn your speedo backwards. Who knew! Andrew While the rest of the crew may be in the same predicament, it's almost always the pilot's job to arrive at the crash site first.

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Re: 1929 Speedo running backwards Skidd #270566 02/14/13 04:04 AM
Joined: Dec 2001 Posts: 10,379 Likes: 1 Vancouver, WA AntiqueMechanic Technical Advisor ChatMaster - 10,000
AntiqueMechanic Technical Advisor ChatMaster - 10,000 Joined: Dec 2001 Posts: 10,379 Likes: 1 Vancouver, WA	A 28 speedometer is driven off the right (passenger) side of the transmission. RAY Chevradioman http://www.vccacolumbiariverregion.org/ 1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.

Re: 1929 Speedo running backwards AntiqueMechanic #270603 02/14/13 05:20 PM
Joined: Mar 2011 Posts: 182 Melbourne, Australia Skidd OP Shade Tree Mechanic
OP Skidd Shade Tree Mechanic Joined: Mar 2011 Posts: 182 Melbourne, Australia	Originally Posted by AntiqueMechanic A 28 speedometer is driven off the right (passenger) side of the transmission. Yes mate, that was something that we've already pointed out and discussed, but as I've found out; the '28 driven gear can be put into a '29 housing and it will drive the speedo cable out of the LH side of the box. However because the gear is cut the opposite direction the speedo will run backwards. Andrew While the rest of the crew may be in the same predicament, it's almost always the pilot's job to arrive at the crash site first.

Re: 1929 Speedo running backwards Skidd #270638 02/14/13 11:36 PM
Joined: Apr 2009 Posts: 1,966 Nova Scotia, Canada Gunsmoke ChatMaster - 1,500
Gunsmoke ChatMaster - 1,500 Joined: Apr 2009 Posts: 1,966 Nova Scotia, Canada	Don't start that again!!!

Re: 1929 Speedo running backwards Gunsmoke #270787 02/16/13 01:02 PM
Joined: Sep 2010 Posts: 53 Corvallis, Oregon, USA ewv715 Shade Tree Mechanic
ewv715 Shade Tree Mechanic Joined: Sep 2010 Posts: 53 Corvallis, Oregon, USA	So you ran the speedo backwards so Dad won't know you had the jalopy out last night on a date with that cute girl in class. Got cough did you? Now everybody knows now!! LOL

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