How To Do a Test Spot - [RUPES Replies Episode 026]
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- čas přidán 25. 07. 2024
- Often overlooked, the test spot helps define the best combination of products and techniques for the specific vehicle you're working on. Many detailers and bodyshop techs run into a correction using their preferred combination of products without testing and are often achieving less-than-ideal results or setting themselves up for a multi-step process when it may not be required. In this episode of RUPES Replies, Global Director of Training, Jason Rose, talks you through the priming process and how to adjust to maximize efficiency and results.
#rupesreplies #rupes #testspot #paintcorrection #bigfootpolishingsystem #collisionrepair #autodetailing #LHR15III #LHR21III #dapolishingsystem #polishing #buffing
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Used Uno protect ( first time) and the DA yellow foam today on a 13 year old swirly and unloved Mercedes CLK......
I did a test spot of DA fine and Uno and went with the Protect...
wow.... whilst the paint still has a few scars on it as you'd expect for the age.... the gloss and the smoothness of the paint was fantastic ... The owner loved the results as we'd gone from dull flat paint with zero beading to a car which belied its age....
Totally convinced that I made the right choice in Rupes
That’s great! Thanks for sharing that with us.
Jason, you are an incredible trainer...I always seek out videos with you in it. These concepts are so important. Being quite analytical myself has helped me to grasp these types of lessons well to maximize efficiency and results. I used to work in a shop (that detailed used car lot vehicles) where they did a 3 stage process with most every car using a rotary....It killed me to see how much product and time was being wasted. I couldn't believe we were compounding cars that just needed a good polish with a foam pad to look great again for resale. I look forward to all your videos. thanks
Thank you for the excellent feedback. We appreciate all the kind words and we promise to keep putting out the content as long as you keep watching! :)
great webinar as always
Thanks. Glad it was useful.
Jason is a great professor. Thanks again Rupes
No doubt! Thank you for watching.
Bam! Asked about this last week and got a video on it. Most excellent guys. Thanks 👍😀
You're welcome and thanks for watching/commenting!
Thanks Jason, test spots are a real time saver. As always great advice.
Thanks for watching
Once again Jason. Excellency is not negociable. Thanks and keep coming all that info you have to share, learn so much. 🇵🇷. RUPES it is.
Our pleasure and thank you for watching.
Hi Jason, Thanks , very informative and helpful and interesting and to the point👍
Glad it was helpful!
Grazie Jason
Great Tutorial! I appreciate your tips
Thanks for watching!
Nice to see follow up. I'm purchasing da 15 rupes and nano getting back into detailing. I think your products speak for themselves. Keep up the great work always a pleasure watching anything involving rupes!!!
Thanks for watching.
Fantastic explanation Jason. More power 🚘❤️
Thanks for watching and commenting!
Thenks 👍👍👍👍👍👍👍👍
Awesome content
Thank you for watching!
Thanks for the great video Jason!! When removing compound/polishing residue, do I let the towel do the work, or do I push a little bit? Will this re-scour the surface and which is more affective?
Great question - a compound should be easy to remove with a light touch and the towel doing most of the work. If you find yourself having to scrub and push hard make sure you aren’t over-working the product beyond it’s intended cycle time or doing something to cause that issue. If you are not and the compound is hard to remove consider changing to a different compound.
Excellent video ! Are your pads bigger on the top than the backing plate size ?
Thanks for commenting. The loop side, where the pad attaches to the backing plate, is only a few millimeters bigger than the backing plate to allow for a margin of error. The pads then flare outward at the face to provide additional protection to adjacent surfaces and prevent the pad from rolling over on itself and exposing the backing plate to the surface.
For example, the pads for the LHR21 are 150mm at the backing, and 180mm at the face. The pads for the LHR15 are 125mm at the backing and 150mm at the face.
Dear Jason:
Thank you for showing all these details. We learned again so much from you!
One question please:
Can we use the new Rupes D-A high performance pads also rotationally or only eccentrically and dual-action?
Thank you Jason
Thanks for watching. The D-A products are designed for best performance on any dual action polisher; this includes dual-action random orbital and gear-driven orbital. They would not be recommended for use on a rotary polisher.
This video explains the logic of this approach:
czcams.com/video/BeiG_3ZtUS8/video.html
@@RUPES
Thank you Jason - Great! 🙏🏼
Thanks a lot Jason. Nevertheless I m more interested about those machine holders on the trolley!!!! May I have some infos about it please? Thank You
Saw them here www.obsessedgarage.com/collections/polishers/products/kxk-polisher-rack
What are the buffer holders called?
Jason, I learned from you that the most important thing in paint correction is the technique.First is the arm speed and second the pressure you put on the polishing machine.Now my question is....why not go straight to the target with the blue wool pad and to adjust my arm speed and pressure, it will not be the same thing? I'm just asking, don't get me wrong this is my procedure.Another video with useful information, thank you for everything you do!
With clear coats getting thinner and thinner we should always try to take an approach that will leave the most paint on the surface.
Could there be a fourth hypothesis? That is, the surface is soft, as in this case, the scratches are deep enough to use a Da-Coarse and a blue sponge or wool pad and the fog effect comes out. In this case will we need a two step polishing? with which pad and polish do you recommend for the second step?
Thanks for commenting and that is a potential outcome of a test spot, as outlined in Test Spot Result #2 - defects removed, but the paint is left with a haze. In this case you can attempt to adjust the products to still get the desired level of cut, but improve the finish. Or you can decide that an additional step is the most effective way to proceed and remove the haze that way.
As for which product would be your second step, that is also defined as part of your test procedure. In the RUPES line, if you're stepping down from the blue D-A Coarse compound and foam combination, you have 3 potential options for compounds.
1) D-A Fine, which is the yellow liquid
2) UNO Pure, which is our ultrafine finishing polish
3) UNO Protect, which is our all-in-one that will allow you to add protection at the same time.
Which pad you would use with which of these liquids goes back to the test spot. You would want to test them on the haze left by DA Coarse and find a combination that removes the haze and finishes to your desired quality. Commonly this is going to be the yellow or white foam, but with the variable of paint hardness you can never know until you test the combination and observe the result.
Late to the game... Do you recommend making the worst defect on the paint the test spot? Or, do you make the one of the less visible places on the car the spot? I realize that lawyers scare everyone away from honest answers but I would appreciate one.
It would depend on how severe the worst part of the car is.
If the worst spot is still a relatively minor defect and potentially a one step removal, then testing there could find that combo and then the process should easily address all the minor defects elsewhere.
If the worst spot is really sever or isolated defects that can't be feasibly addressed in a one or two step correction over the rest of the vehicle, then it would be worth considering spot treatment of those defects. In that situation you'd do your test spot on the "average" defect of the surface and reserve those isolated defects for spot sanding or more intensive compounding.
Thanks for the video still waiting to get on the training. Im trying to make an excuse for me to come to the US just for training lol
Training was amazing ! Highly recommend it.
@@TKTampa I'm from uk so would be awesome to come to the States for rupes course
N.P.DETAILING hope you can make it over friend. You will learn so much and it will really enhance your skills.
@@TKTampa are they running courses? Due to Covid? Here in UK its real bad some parts now on full lockdown! Be nice to jump on a plane and come over for the course is it three days?
We are currently not holding training events at our facility.
Do any of the Rupes polishes have filler in them? Can you just wipe it off and inspect or do you need to IPA wipe it off so you don’t get a hazy surprise later (had another brand do this to me where I thought I was doing a good job until I did a final wash and the whole car became a hologram)
In our D-A and Rotary lines we do not include any intentional or durable fillers. Any masking caused by residual polishing oils would be minimal and easily removed with a prep wipe, alcohol, or wash if you preferred. UNO Pure, specifically, is the most free of fillers of any of our products. This is very unusual in the ultrafine category as most manufacturers rely very heavily on fillers to get a high gloss final finish.
On the other side of the spectrum you have UNO Protect and UNO Advanced. Both of these products have protection built into them. Anytime you have a product that deposits protection (solids) on the surface you will have the possibility of some filling. The part of the formula that creates the protective barrier is going to mask some defects.
The importance of a ipa wipe down and when to use it . Can I can my own?
The importance or need for an alcohol or solvent wipe varies depending on the application and goals. They are a requirement (surface prep chemical recommendations vary by coating) for proper coating installation after compounding/polishing before the coating is applied. The necessity for it in other situations is debatable. It doesn't improve performance, but it does allow you to see if the products you're working with have any significant filling or masking agents.
In some products these fillers are so durable that alcohol will not remove them, and only a proper prep solvent will.
How many passes with the new DA system - 2 up/down & 2 left/right : 4 total?
Number of section passes is a variable that can be adjusted based on technique. 3 and 3 is a good place to start, but you can go longer or shorter depending on the application.
I don’t see the green foam pad anymore? Why and what’s the alternative now?
The green was discontinued with the launch of our new D-A System. This webinar covers the changes and the recommended replacements in terms of performance range.
czcams.com/video/tUoTMl2HZfc/video.html
Thank you for replying!
When do you determine if wetsanding is needed?
In situations where you are facing severe defects that would require several heavy compounding stages to correct. Also if you’re addressing severe or mismatched texture or other paint conditions not corrected by compounding.
@@RUPES ive got watermarks that didnt respond well. Thats why I ask
Always have the thought that any car you get could have different paint hardness and one, two or even more panels on the same car can be different hardness than the rest of the car.
Certainly possible. Different substrates often receive different paints with flex agents and then there is always the wild card of a collision repair on any car.
Please explain more
Do you mean from the factory that one door could have harder paint than the rest?
It definitely could if there was any repair done prior to delivery and that is far more common than most would think. VPC (vehicle processing centers) are large facilities where imported cars are processed. They have on-site bodyshops to repair damage from ocean or train transport and the work done is not required to be documented. Additionally, modern cars are not all painted in the same facility. Many times components will be painted in a different facility (bumpers, grills, mirror caps, hoods, etc) and while the color is matched to spec the paint itself and the process used can vary wildly.
To step up would I use the same yellow wool pad and use blue compound. I have the complete system with the mille and my newest member to my family the nano kit. Thanks guys and I love everything about you guys. I'm in Airdrie Alberta Canada. cleanyourmachineinc.com
Great input and thanks for watching
Not going to lie, I’m a little disappointed. I was expecting Jason to roll up in a murdered out G wagon sitting on some 24-inch dubs. Informative video though.
Cute little pickup.