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Is the Duetto going to replace the LHR 15ES? If so, I need to change my order ASAP.

Rupes LHR 15 it is. Thanks!

I'm considering one of these two to replace my old PC 7424, that is still running well, but does not have enough power and the vibration is becoming a problem for these older hands. How do these two machines compare in regards to vibration and durability?

I've read that rotary polishers are extremely difficult to use and cannot final finish well, except in the hands of a highly skilled and experienced user. I know rotary polishers are more difficult to master, but knowing what to expect up front, knowing the proper techniques and being aware of...

Hi Mike, The original PC 7424 had a 3.7 amp motor and is said to be under powered. The Duetto box in the picture indicates it is 3.5 amp motor. Does the Duetto have sufficient power from your experience with the standard pad size?

How does the Rupes LHR 15 compare to the PC 7424 in terms of vibration and ease of use? What application would the Duetto be preferred over the LHR 15?

I found a 4" orange pad I bought several years ago that has a concave face instead of being flat. Are these for a special application, or can they be used like a flat pad?

How thick should Menzerna SF4000 be when new? I received my order of SF4000 yesterday, and I had a difficult time transferring it to a smaller bottle for use. A friend gave me some last week to try, and his seemed quite a bit thinner than my new bottle. I shook it for several minutes. It has a...

Does the Duetto require the "washer mod" for the backing plate to be free spinning as it does on the Rupes 15 and 21?

How does this model compare to the Rupes 15 in terms of weight and ease of use. On the Rupes 15 it states to be used only with Rupes pads, can this model use other manufacturers pads?

Well I tried Ultimate Compound with a white pad on a test spot because I could get it locally, and it knocked out the water marks very quickly. I followed up with M205 for a marginal, if any, increase in gloss. I'm beginning to wonder if the M205 is out of spec and the abrasives were left out...

What is the closest current Menzerna product to Menzerna Final Polish II?

Would it be worth the effort of going to a LC orange pad, or just go to a stronger polish?

What Menzerna polish has the closest level of cut to Megs Ultimate Compound?

Well I tried both products (SF4000 and M205), and both polishes were easy to apply, work and remove. However, I could not see a difference between them on the factory orange peel finish. Also, neither one was enough to remove the rain water stains I was after. I used a LC white pad in both 5.5"...

Thanks for the link, it was very helpful. I'm going to see how they both work this weekend. I'll just have to experiment a little, but I'm confident I can work it out.

I know it varies given a multitude of conditions, but how long can M205 be worked on average at about 75 degF for a 2'x2' section? I found some recommendations on a web search that says 20-30 seconds in 2-3 passes, but some Youtube videos show working it much longer on the order of 75-100...

It appears that M205 is not really a finishing polish as the name implies, at least in comparison to the Menzerna products. I went ahead and purchased both. I'll start with the SF4000, and if not strong enough I'll use the M205 and then go back to the SF4000 if necessary.:pc7424:

How do the LC HT pads work with these two polishes? Or is one of the other LC lines more suitable?

Are these two products roughly equivalent in correcting level?