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Author Topic: Garrett Steam Tractor  (Read 5690 times)

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  • Location: South Devon
Re: Garrett Steam Tractor
« on: February 14, 2021, 04:49:26 am »
Long story, but after an aborted attempt at getting tyres made finally had the wheel sets returned … then headed off in a different direction, happy to say rubber is being ordered and tyres are on order … meanwhile to restart this project -

Parts for the front axle where dug out and checked over to works out how this will go together. Seeing as I already had a pattern made for a Foden front axle it seemed silly not to use this – this might not be so daft as it seems – Garret’s did approach Foden regarding their axle following a spell of broken stub axles, my back story on this is that the timber contractor replaced the front axle with a Foden one as it was better off road in the forest.

Made up the kingpins from a short piece of 3mm silver steel turned up  a M3 thread to mate up with the bush in the bottom of the axle mount and a 6ba thread for the brass nut to cap this off. Thread locked the nut in place and the bush into its seat.
Once the set up is worked out one of the stub axle mounts will nee modifing to allow the steering arm to attach.

Turned up a set of bushes and bored the front wheel through for these made up a threaded brass bush to insert into the ‘Garrett’ hub cap and set up the stub axles from a length of 3/16 steel bar with a M4 thread for the bush – waiting for the return of the second front wheel to complete this work.

Bored out the rear wheels for 8mm bushes and cut off a short section of brass bar to sleeve through a pair of wheels, marked out a chain sprocket and drilled 4 x 8BA holes so this can bolt to the inner rear wheel – I have made the rear wheels as separate parts as the tyre is a twin onto one wide rim.

This will allow me to bolt the whole lot up as a pair and bolt the chain drive sprocket to the inner rim which will in turn bolt onto the axle. – that’s the theory…
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