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M-50 "Ontos": idler wheel question

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M-50 "Ontos": idler wheel question

Old 02-17-2015, 03:13 PM
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rva1945
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Default M-50 "Ontos": idler wheel question

Hi

That ugly thing had only 4 road wheels, the fourth one worked as the idler wheel; my question is: did it provide tension to the track or was fixed to the hull?

https://www.youtube.com/watch?v=6wtHDje7i-E

Thanks
Old 02-17-2015, 06:48 PM
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Hi rva 1945
Don't know for sure, most US vehicles use the idler as track tensioner - M4 sherman, M41, M26, M60, etc, or, like the M47 & early M48, have a small jockey wheel in front of the idler. The Ontos was fairly exotic, and that bar connecting the road wheels may well prevent the idler being used as a tensioner. Spotted this pic - http://data4.primeportal.net/artille...s_12_of_30.jpg - that rear wheel is the tensioner.

Mal
Old 02-17-2015, 07:29 PM
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The M50a1 Ontos did use the rear adjustable wheel as a track tensioner also.

Herman
Old 02-18-2015, 07:15 AM
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rva1945, there is one close to me in front of a veterns post/lodge. I will go by and see if I can get a photo of the rear wheel and any tensioning hardware. Edit: It is not a M50, but an M56 Scorpion. A 90mm self propelled anti-tank version of the M50. Or maybe I should say the M50a1 used the running gear and chassis of the M56. I will still stop by and see what kind of detail I can get you for the tensioning of the tracks.

Last edited by MAUS45; 02-18-2015 at 07:30 AM.
Old 02-18-2015, 10:02 AM
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The rear wheel mounting bar on the Ontos served as a gross track adjustment while the inner and outer bolts served as fine adjustments for the track. You can see them in the picture posted earlier without tracks installed.

Herman
Old 03-08-2015, 08:18 PM
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Not sure how I missed this thread...

I love this (Ugly?) little Oddball.

The video fragments that I've seen show it to be Fast and Nimble.
One five second snippet on the Military History Chanel shows one Drifting At Speed through an Intersection Under Fire in Vietnam.

The six Recoiless Rifles could be Dismounted for Use, Repair or Replacement seperate from the vehicle.

I'm still looking for better images...
Were the Tracks the Rubber Band type?

Heck I'd love to have an Ontos in 1/16 Scale RC.
Maybe one day, if my skill ever catches up with my desire...

Its no uglier than the Bren Carrier... And I love that Lil Beastie too...



-gus
Old 03-09-2015, 06:45 AM
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The tracks were rubber based with metal cleats bolted on them. Still working on mine.It is still a work in progress.

Herman

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Last edited by Green Amphibian; 03-09-2015 at 06:48 AM.
Old 03-10-2015, 04:51 AM
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Originally Posted by Green Amphibian View Post
The tracks were rubber based with metal cleats bolted on them. Still working on mine.It is still a work in progress.

Herman
Yes Sir!

That's really begining to take shape!
Will you have enough room in there to RC it?

Here's a short history on the "Thing"...

http://www.militaryfactory.com/armor...p?armor_id=205

-gus
Old 03-10-2015, 06:59 PM
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Things will be very tight, but it will all fit if arranged right.

Herman

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