Rupes mark ii 15 stalling badly

[Just02896]

Get a 3401, end of stalling problems.

This^^^
I have Flex and Rupes machines and although I've gotten used to manipulating the Rupes to stay spinning I always reach for my flex machines.

[Joel1979]

What was the outcome?


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Well my friend who is a pro detailer and also owns Detailing store tested it with same batch 15 Mk2 and they were identical and both were better than mk1. So i thought the machine is ok and works as it should, but i have seen many videos online where 15mk2 is just so much more powerful than mine were so i sold my old unit and bought a new one and the difference is huge! My new 15 mk2 feels a lot like my 21mk2 and not stalling problems whatsoever. Also it sounds bit different, more powerfull i would say and its not as silky smooth, i mean it is very smooth but my old was kinda like too smooth. My new 15 mk2 is stronger on speed 3 than my old was with speed 6!!!

I am not the only one who have seen so big difference between two 15 mk2 units:

Do you use a Rupes Bigfoot mk2 15? Is your machine faulty? - Detailing World

I wonder why this is happening? Anyway im now happy that i have great 15 and 21 Rupes.

[GSteg]

Anyone else having stalling issues? If so, how was it remedied? I bought the LHR15 MK2 after reading good things about Rupes in general. I've done two details with the machine within the last couple months and the results were great, but I did find corrections took longer than expected. Well today I tried polishing the hood of my car. I marked the backing plate with sharpies and went to town. It was then I realize the machine slows down considerably with light-to-moderate pressure. I'm using Rupes pad and polish.

Mine sort of does this:
https://www.youtube.com/watch?v=kRir-92DT1A

I'll record my machine in motion and then you guys can see whether it's faulty or not. I still have warranty, but I rather not send it in if it's not 'defective' per Rupes' definition.

[WRAPT C5Z06]

Well my friend who is a pro detailer and also owns Detailing store tested it with same batch 15 Mk2 and they were identical and both were better than mk1. So i thought the machine is ok and works as it should, but i have seen many videos online where 15mk2 is just so much more powerful than mine were so i sold my old unit and bought a new one and the difference is huge! My new 15 mk2 feels a lot like my 21mk2 and not stalling problems whatsoever. Also it sounds bit different, more powerfull i would say and its not as silky smooth, i mean it is very smooth but my old was kinda like too smooth. My new 15 mk2 is stronger on speed 3 than my old was with speed 6!!!

I am not the only one who have seen so big difference between two 15 mk2 units:

Do you use a Rupes Bigfoot mk2 15? Is your machine faulty? - Detailing World

I wonder why this is happening? Anyway im now happy that i have great 15 and 21 Rupes.

Quality control issue???