alistairolsen
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| posted on 8/5/10 at 02:21 PM |
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One Piece Prop for MT75? No sliding section?
On all the locost props Ive seen for Type 9 gearboxes, the change in length as the live axle moves is accounted for in the splined sliding section
into the tail of the box.
I haven't given this much thought for my locost as the engine and diff are both chassis mounted, but now I find myself faces with the MT75 and
english axle combination!
How have owners got around this issue? I believe in it's original home the MT75 had a two piece prop with a sliding section between the centre
bearing and diff?
Cheers
My Build Thread
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big_wasa
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| posted on 8/5/10 at 02:27 PM |
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You can buy a prop with the slider built in.
 
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big_wasa
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| posted on 8/5/10 at 02:28 PM |
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What you saved on your gearbox you will spend on the prop 
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alistairolsen
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| posted on 8/5/10 at 02:30 PM |
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quote:
Originally posted by big_wasa
You can buy a prop with the slider built in.
That would involve spending lots of money
I have the prop on the car which was a one piece type 2 to English axle. I was hoping to keep the joint from the axle end of this.
The spider to meet the donut coupling wont be hard to find (although I see youve swapped this out for a metal spacer?)
Where is the sliding joint from? i assume the splines are a close enough fit that the shaft doesnt bend?
Cheers for the info!
My Build Thread
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alistairolsen
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| posted on 8/5/10 at 02:30 PM |
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quote:
Originally posted by big_wasa
What you saved on your gearbox you will spend on the prop
NOOOOOOOOOOOOOO!!!
My Build Thread
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big_wasa
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| posted on 8/5/10 at 02:39 PM |
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The metal sapacer is an adapter to go from the tri-pod to a standard uj.
The slider is where the prop changes section, its just closed up as it was just placed for the photo.
There are some bits that I am more than happy to spend cash and this is one
But it is a locost and I have made most of it.  spins at over 7000rpm, 75mm from my legs.
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r1_pete
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| posted on 8/5/10 at 03:14 PM |
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Bailey Morris do a flange which fits the 3 prong output on the MT75.
Land Rover (cant remember which one) front props have a slider in, and the same UJ as the Bailey Morris Flange, and will be long enough to shorten to
your needs.
 
Rescued attachment flange1.JPG
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alistairolsen
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| posted on 9/5/10 at 03:38 PM |
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OK, so as standard the sierra had a rubber donut which cant take deflection, a short shaft to a centre bearing supporting a UJ, then another shaft
with another UJ and the diff flange on the end? The sliding section incorporated between the two universal joints?
When converting to a single piece shaft one needs a UJ on both ends hence the converter? And the sliding section in the middle?
Interesting info about the landrover prop, Hopefully defender/discovery as theyre common as muck. I dont suppose you have the part number for the
flange, Bailey Morris catalogue is a nightmare!
Cheers
My Build Thread
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