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NorthSouth
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Post by NorthSouth » Mon Jul 19, 2021 1:16 pm

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Hello fellow Model T-ers,

I was wondering if any of you have heard of a “Jumbo” two-speed rear end?

Here’s a photograph, best I could find, of one on a 1910 Model T. It’s supposed to work similar to a Ruckstell. I’m wondering if they are equally as efficient as a Ruckstell,
…and any other information I might learn about them.

Thank you in advance for any guidance you may offer.
Attachments
Is this a “Jumbo” two-speed rearend???
Is this a “Jumbo” two-speed rearend???
5E3AEC92-FC47-4B2E-86E9-7853B2FAD730.jpeg (9.75 KiB) Viewed 2395 times
Last edited by NorthSouth on Tue Jul 20, 2021 11:38 am, edited 2 times in total.


ThreePedalTapDancer
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Re: Has anybody heard of a “Jumbo” two-speed rear end?

Post by ThreePedalTapDancer » Mon Jul 19, 2021 1:30 pm



speedytinc
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Re: Has anybody heard of a “Jumbo” two-speed rear end?

Post by speedytinc » Mon Jul 19, 2021 3:43 pm

There is some really good info. Planitor.
I know they made them in under or overdrive. Under drive units are fairly common. Never seen an overdrive. The gear reduction is quite a bit wider than a rux.


Lincoln29
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Re: Has anybody heard of a “Jumbo” two-speed rear end?

Post by Lincoln29 » Mon Jul 19, 2021 8:47 pm

I had a Planitor in my 16 Touring and it was great. The one thing that I liked is that it had a neutral that made it nice for cranking. It was a under drive.

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Charlie_26_TT_Ccab
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Re: This post was moved to the General Forum page

Post by Charlie_26_TT_Ccab » Tue Jul 20, 2021 11:12 pm

Steve, sent you an email about my Planator Jumbo.


Bob Pilkie
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Re: This post was moved to the General Forum page

Post by Bob Pilkie » Wed Jul 21, 2021 12:25 am

Would be fun to connect that jumbo to a two speed Ruckstel. I have a 26 TT with a three speed warford and a two speed warford and a two speed Ruckstell.

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