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Dynabrade Dual Action Buffing Head


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#1 Kevin Brown

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Posted 14 March 2009 - 11:36 PM

My friend Mike bought the Dynabrade Dual-Action Buffing Head:

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The aluminum housing measures 4-3/4” in diameter.

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With the backing plate removed, the innards are easy to see.

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When the power slide button is engaged, this latching pin is raised.
This locks the entire housing to the drive, and the backing plate is forced to rotate.

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When the power slide pin is disengaged, the latching pin is lowered.
The aluminum housing is able to rotate freely. This is set to the random-orbital mode.

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We removed the backing plate to cut the size down. It uses a standard 5/16”-24 spindle.
Our plan was to remove the white foam along the outer edge.
This way, we could fit the Meguiar’s 7” pads to the backing plate.

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This shot shows the overall diameters of the housing and the three plates we were going to use.

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The Mirka plate will be used as the primary plate for the 7” pads.
The modified Dynabrade plate will be used as a backup.

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See? the Mirka plate is nearly identical in size to the plastic part of the Dynabrade plate.

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This is the Meguiar’s Soft Buff 7” Foam Cutting Pad. It is getting rave reviews.
Our goal was to allow Mike to attach the trio of foam pads to the attachment.
Mike will also be using the So1o Pad system, which wil fit nicely once we are done.

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An X-acto knife and some hand sanding easily removed the unwanted foam.
Another way to cut the foam is to mount the backing plate onto a drill.
Then, carefully push the X-acto into the foam as the drill rotates the plate.

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Voila! The plate fits perfectly into the recessed part of the foam cutting pad.

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The Meguiar’s WWHC7 So1o Wool Heavy Cutting Pad will work well with this machine.

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Here is a shot of the pad mounted to the machine. You can really see the offset!

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The slide pin.

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Wow, what an offset. This machine feature a 3/4” (12/16”) diameter orbit.
For comparison, the Meguiar’s G110 features a 5/16” diameter orbit.

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We run the Makita at various RPM settings. It seemed to like 2,700 rpm with this 6-1/2” pad.

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Keep in mind that this attachment was designed for use with larger pads than we were using, so the counterbalance was weighted accordingly.
From what I understand, Dynabrade spent a lot of time dialing in the balance for 8” and 9” pads.

If you plan on using smaller pads and plates, count on some vibration.
In terms of comfort, the optimum speed setting will be easy to find by adjusting the speed on the fly.
Thanks to the 3/4” orbit size and the power and rpm capabilty of the rotary machine, you will be hard pressed to stop the rotation of the pad in random-orbital mode (even at slower speeds) .

This is a time saver, and if you are comfortable with a rotary machine, you will really dig this baby!

#2 Peachstate Detail LLC

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Posted 15 March 2009 - 12:36 AM

Kevin, How would you rate the vibration? Same as a PC?

Thanks for putting this together.

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#3 topnotch

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Posted 15 March 2009 - 02:25 AM

I am also thinking about this, I am thinking of sticking it on an old rotary I have sitting around. Where should I buy it?
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#4 Barry Theal

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Posted 15 March 2009 - 07:22 AM

Holy whips and chains batman! can you say mcgyver! wow thats looks very interesting!!! i have a dynabrade backing plate hmmmmmm!!!! lol great right up kevin!

#5 salty

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Posted 15 March 2009 - 11:49 AM

Good idea and nice write up.
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#6 bsibold96

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Posted 15 March 2009 - 12:58 PM

how much weight is added to the machine once the head is attached?

#7 Denzil

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Posted 15 March 2009 - 01:09 PM

Thanks for putting this writeup together Kev.
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#8 Detailing Technology

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Posted 15 March 2009 - 01:57 PM

Calling Westchester Lacquer tomorrow. Got to try one of those.
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#9 Anthony Orosco

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Posted 16 March 2009 - 08:17 AM

Ron and I have been using a Dynabrade for 2 years now, even posted up info on it if you do a search.

It's a nice tool but it adds a fair amount of weight to the buffer, it has broken twice but was repairable.

It doesn't have anything much over the Flex orbital....in fact we think the Flex may have more umph.

Anthony
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#10 gbackus

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Posted 16 March 2009 - 08:26 AM

Ron and I have been using a Dynabrade for 2 years now, even posted up info on it if you do a search.

It's a nice tool but it adds a fair amount of weight to the buffer, it has broken twice but was repairable.

It doesn't have anything much over the Flex orbital....in fact we think the Flex may have more umph.

Anthony


Yeah, but this is the newer model with forced rotation, I was always a fan of the original(except the weight) and am curious to see how much more powerful the newer model is.

#11 Kevin Brown

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Posted 16 March 2009 - 08:57 AM

Ron and I have been using a Dynabrade for 2 years now, even posted up info on it if you do a search.

It's a nice tool but it adds a fair amount of weight to the buffer, it has broken twice but was repairable.

It doesn't have anything much over the Flex orbital....in fact we think the Flex may have more umph.

Anthony


Hi Anthony...

If you have been using the Dynabrade for two years, perhaps you have the #61374, which is a random-orbital head only?

This one is switchable and allows you to use a random-orbital mode or a forced rotation.

#12 Apollo_Auto

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Posted 16 March 2009 - 09:26 AM

Hmm, got me thinking about this one... thanks for the post, Kevin!
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#13 gbackus

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Posted 16 March 2009 - 10:40 AM

Hi Anthony...

If you have been using the Dynabrade for two years, perhaps you have the #61374, which is a random-orbital head only?

This one is switchable and allows you to use a random-orbital mode or a forced rotation.


*points up* A little late Kevin....:D

#14 Kevin Brown

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Posted 16 March 2009 - 10:45 AM

*points up* A little late Kevin....:D


Ahhhhh... I was thinking 'what is he talking about?' :think:

Then I looked back and saw your post!
I get an e-mail notification and I clicked the link to the post and responded... Completely missed that you mentioned the part numbers. :wall

#15 gbackus

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Posted 16 March 2009 - 11:09 AM

Ahhhhh... I was thinking 'what is he talking about?' :think:

Then I looked back and saw your post!
I get an e-mail notification and I clicked the link to the post and responded... Completely missed that you mentioned the part numbers. :wall


Your response was actually much more informative, I just wanted to give you a hard time :up:

#16 Anthony Orosco

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Posted 16 March 2009 - 03:01 PM

Hi Anthony...

If you have been using the Dynabrade for two years, perhaps you have the #61374, which is a random-orbital head only?

This one is switchable and allows you to use a random-orbital mode or a forced rotation.


Yes, we have the older model......the throw on the Dynabrade is so large that it's hard to see the difference by looks alone.

If the cost wasn't so high on the Dynabrade I would try out the new one but not going to spend the money just to "try it".

Take care,
Anthony
"The Art & Science Of Auto Detail"

#17 blk45

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Posted 17 March 2009 - 05:56 AM

If the cost wasn't so high on the Dynabrade I would try out the new one but not going to spend the money just to "try it".


$82 is high? :nixweiss

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#18 SuperBee364

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Posted 17 March 2009 - 05:59 AM

$82 is high? :nixweiss


Sheesh, blk45, I think you and I have been shouting in deaf ears; they must not have seen your post about that place to get DynaBrades for 82 bucks.. Maybe you should delete that post so we can keep it a secret from those that weren't paying attention in class... ;)
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#19 blk45

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Posted 17 March 2009 - 06:00 AM

Sheesh, blk45, I think you and I have been shouting in deaf ears; they must not have seen your post about that place to get DynaBrades for 82 bucks.. Maybe you should delete that post so we can keep it a secret from those that weren't paying attention in class... ;)


:chuckle: Did you order yours yet?

#20 Denzil

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Posted 17 March 2009 - 08:34 AM

I'm curious to observe how well this products actually works but I'm definitely not ready to drop the cash for it, LoL.
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