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Product Review: Rupes Bigfoot Mark II


Rupes made a major impact on the detailing industry several years ago with the release of the first large stroke dual action polishers.  The Rupes Bigfoot line consisted of the LHR15ES and LHR21ES machines which featured a 15mm and 21mm throw, respectively.  This relatively massive side-to-side motion was nearly triple that of a traditional dual action polisher at the time.  The larger side-to-side movement meant more backing plate movement and ultimately more cutting power without any added effort from the user.  This revolutionary machine has become the go-to for most professional detailers and other companies have begun to adopt this technology into their own machines as the benefit of the large stroke is evident.

Although the first generation polishers were truly game changing, as Greg Gellas mentions in his article Game Changer: RUPES Polishers!, there were a few areas for improvement which have been addressed in the latest iteration known as the Rupes Bigfoot Mark II (Mark II 21 and Mark II 15).

ATD | Rupes MKII

While the overall appearance remains similar, the 15mm and 21mm models have both been updated with several new features.  The most notable change is a significant increase in power.  One of the downfalls of the large stroke is that it becomes increasingly difficult to keep pad rotation when using the machine on a curved surface.  The more powerful motor in the Mark II machines help to maintain rotation in these difficult situations, though proper technique also plays a major factor here.

ATD | Rupes Mark II

Photo:  Matt of Attention to Detailing polishing a Ferrari F430 with the Rupes LHR21ES Mark II

In addition to the power increase, Rupes also enhanced the front housing to be stronger and more durable.  A rubber grip was added on the underside of the front housing for user comfort.  The power cord has been improved and is a more flexible cable, which is great news to me as this was a major annoyance with the first generation’s rigid cord (and perhaps my only real complaint).  I was very pleased to see the 15mm and 21mm machines have adopted the rubber piece on the top of the machine that was previously featured on the LHR75e and Duetto machines.  This piece allows you to set your machine down after working without the fear of knocking it over.  A speed graph has also been added to the top of the machine and is a great reference for the operator while using the machine.

ATD | Rupes Mark II

Photo:  Rupes Mark II machines, the Ferrari of polishers, used to make this Ferrari shine

These new enhancements come with a very minor price increase over the original machines, and after many months of use we have been very pleased with the new Mark II machines.  The build quality is great, the tools are very smooth and easy to use, and the added power is a welcome change.  This is a great tool for the detailing professional, or even an enthusiast, who is seeking the ultimate polisher to save time while producing even better results.

Zach McGovern
Attention To Detailing Peoria
Peoria, IL

10 comments on Product Review: Rupes Bigfoot Mark II

  1. Derrick says:

    Quick question, I’m switching from my old Porter Cable 7424xp to something with more cut and better ergonomics, is the Flex dual action the way to go or the Rupes? I know that they are both great machines.

    • Derrick – both Rupes and Flex make professional grade machines. I personally use all Rupes machines, but I cannot definitively say that one is “the way to go”.

  2. I think both machines are great to have. I feel the Flex is more of a workhorse and the Rupes is great for polishing and finishing. We use both.

  3. Derrick says:

    Zach and Chris, I certainly appreciate the replies and the advice. I feel comfortable knowing that I can’t go wrong in my decision. Thanks

  4. Brian Horn says:

    I still find myself reaching for the flex 3401 more than any of my other polishers. I just find that it can not be stopped on curved panels like the other large stroke da’s do. The rupes and griots are great on flat panels but the flex for right now has the edge when polishing on those rounded or curved panels. Thank you for the insightful review.

    • Brian – thanks for your feedback! I personally couldn’t get a good handle on the 3401, which is why I don’t miss it. As far as curved panels go, the large throw polishers require a bit of a change in technique on some panels, specifically concave surfaces, however they are still very capable of performing great. As I mentioned, we only use long throw DAs. Even in the instance when the machine will lose rotation, the side to side oscillation is so large that the pad is still moving a considerable amount and therefore correcting the defects.

  5. Felix says:

    Zach, Whats your thoughts of the Duetto vs the 15 for a hobbyist on 3-4 cars a yr?

    • Hi Felix – I have personally never used the Duetto, though I know several professionals who do really like them. I love my LHR15ES Mark II, but unfortunately I cannot provide any info on how they compare since I have no experience with the Duetto.

  6. Michae says:

    Can the Rupes LHR21 be used with different size pads? Thanks.

    • Reece @ DI says:

      In general you want to use pads that fit the 6″ backing plate. With beveled pads, you want to use a pad with a 6″ back and 7″ front. If the pads are not beveled, make sure the pad is a little larger than the backing plate, so a 6.5″ pad is great.

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