The Official Armortek Forum - World leader in one sixth scale metal kits

Posted: **Mon Apr 14, 2025 5:05 pm**

Armortek wrote: ↑
Mon Apr 14, 2025 2:59 pm
With regards to the bearings, the tolerances are machined to be quite tight - so with that in mind, if a bearing cannot go on to a shaft or into its seated position then:
1. Make sure that any burr or turned in edges on the mating part is removed. We saw this in a earlier thread with regards to not being able to get a bearing onto a drive shaft - the reason was burr on the drive shaft.
Keep in mind that all aluminium parts get put through a process to remove sharp edges - this in turn may result in edges being turned in and needing a clean up before a bearing will fit.
2. The bearing must be placed square onto the matting part - if it at a slight angle it may look/feel like it should fit, but it will not.

I always (possibly incorrectly) that everyone stepping up to one of these projects understood that a bearing of any sort had to be properly aligned with the cavity it was to be mounted in before using excessive force to get it in.

Somewhere, in a scrap pile there's the result of quite impatient youth who tried to force a far too large bearing into a diy project some 55+ years ago. One old Fafnir bearing died an honorable death in the process of teaching that youngster that observation and patience win out over brute force!

Jerry

Posted: **Sat May 03, 2025 5:37 pm**

Had a problem when fitting the Winch motor. Using the existing fixing holes in the chassis cross beams to fix the motor mount, I discovered that the universal joint isn't long enough to fit onto both the motor shaft and Winch shaft. Even if fixed with the grub screw right at the end of the motor shaft the other end of the joint barely goes onto the Winch shaft. Certainly nowhere near enough to fix the grub screw. In the end I drilled 2 new holes in the beams to locate the bracket a few mm closer to the Winch, which then allowed the universal joint to be secured onto both shafts using the grub screws.

Posted: **Tue May 06, 2025 6:57 am**

Ahhhh, I had the same issue, came up with the same solution, but I have checked with Armortek just in case I had dropped a clanger. But now you have found the same issue, I havnt dropped a clanger so I will continue with the solution. Thats a thank you for posting.

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