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King Arthur's Guinevere Sanding Motor


Dave Monk

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The Guinevere motor is nice but the other options such as a flex shaft are not cheap. I think it would work fine for you.  Foredom also makes a variable speed unit that is only 1/6 hp.

I use my variable speed drill press for somethings and do not worry about the bearings on it.  If I have a lot to do, I use my Shopsmith and can use both ends of the motor.  It is also variable speed. 

The Guinevere is 3600 rpm and I do not run my sanding mops that fast.  Typically, I run them about 1000 rpm which gives me better control.  The variable speed is a great feature.  There are variable speed bench grinders but seem to only go down to 2000 rpm but are

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Dave, when I was first wanting to start with Intarsia I went ahead and purchased this one from Guinevere. It spins way too fast and cannot be slowed down since it does not have variable speed. After taking some of JGR’s classes, and using the Foredom in her studio, I purchased one of these with the adaptors and things needed from her shop: https://intarsia.com/collections/hardware/products/foredom-variable-speed-bench-lathe I prefer it to the Guinevere system since it is variable speed. She and I use it when sanding vary small pieces.

For sanding larger pieces, she uses a Sand-rite pneumatic drum sander. However, given their price, she has her student stations set up with the flexible drum sanders that she sells on her site. I bought a variable speed grinder at HD or Lowe’s and add the flex drum sanders with the adapters from Judy’s site https://intarsia.com/collections/hardware/Sander and which are the same as Ray sells at Seyco.  So if interested, you could get faster delivery given your location from Seyco. 😉 they do not sell the Foredom setup though it doesn’t look like. I have that system set up in the shop with the sander on one side and one of Judy’s wonder wheels on the other. I really covet the Sand-rite pneumatic sanders she has but just have not been willing to pull the trigger on that yet. 😉🥴☺️ I Haven’t figured out how to sneak it into the shop or explain the “need” for it yet to DH. 🤨☺️I can’t remember what sizes she has on it, I think one is 8 or 9” and the other side is like 5 or 6” I think. She lets students use it while in class. It sands faster I think then the flex drum sanders (takes more off). Plus, the flex drum sanders eventually give out since their core is a hard foam and need to be replaced. They are both also on variable speed grinders. You could put the sanding mop on one side easily enough.Having the variable speed is very Important in my opinion. You can see the Sand-Rite system here: https://www.sand-rite.com/store/DUO-DLX-All-Purpose-Contour-Finishing-Sander-c35962737 anyway, my 2 cents. 😉

Edited by meflick
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38 minutes ago, meflick said:

Dave, when I was first wanting to start with Intarsia I went ahead and purchased this one from Guinevere. It spins way too fast and cannot be slowed down since it does not have variable speed. After taking some of JGR’s classes, and using the Foredom in her studio, I purchased one of these with the adaptors and things needed from her shop: https://intarsia.com/collections/hardware/products/foredom-variable-speed-bench-lathe I prefer it to the Guinevere system since it is variable speed. She and I use it when sanding vary small pieces.

For sanding larger pieces, she uses a Sand-rite pneumatic drum sander. However, given their price, she has her student stations set up with the flexible drum sanders that she sells on her site. https://intarsia.com/collections/hardware/Sander and which are the same as Ray sells at Seyco.  I have that system set up in the shop with the sander on one side and one of Judy’s wonder wheels on the other. I really covet the Sand-rite pneumatic sanders she has but just have not been willing to pull the trigger on that yet. 😉🥴☺️ I can’t remember what sizes she has on it, I think one is 8 or 9” and the other side is like 5 or 6” I think. She lets students use it while in class. It sanders faster I think then the flex drum sanders (takes more off). They are both also on variable speed grinders. Having the variable speed is very Important in my opinion. You can see the Sand-Rite system here: https://www.sand-rite.com/store/DUO-DLX-All-Purpose-Contour-Finishing-Sander-c35962737

Do you think it has enough power to use a sanding mop on it?

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2 minutes ago, Dave Monk said:

Do you think it has enough power to use a sanding mop on it?

Which one Dave, the Foredom or the flex drum sander on the variable speed grinder?  For sure the larger one would. I would think the Foredom would as well but cannot say for sure as I have never used one on it. I have not used a sanding mop before really even though I got one a while back. You could call Judy’s shop and ask them. They are very good to help and answer questions on anything. 

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Just my 2 bob's worth, but wouldn't a grinder do the same thing. I have a small grinder set up with a couple of small sanding drums and it works fine. It's an under powered piece of Chinese ...  but it does the job. A standard bench grinder should handle sanding mops no worries.
I also have my old drill press set up to use various drums and mops, so a cheap 2nd drill press may be another viable option

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7 hours ago, Dave Monk said:

Do you think it has enough power to use a sanding mop on it?

The biggest con of the Guinevere is the speed. You can get used to it, but it takes practice - specially when sanding small pieces. The Guinevere chucks are limited in size - I think the largest is 3/8".  The Foredom Bench Lathe, that Melanie is refering to, has a chuck limitation of 1/4".

Right now, Woodcraft has the Rikon slow speed 8-inch grinder on sale. That is what I'm using. I have a Flex-drum sander on one shaft and a chuck on the other shaft for sanding mops and smaller drums.

I got my chuck here - https://www.shopsmith.com/ownersite/catalog/dr_chuck.htm

Although, you can, also, find them at McMaster Carr or Grainger.

It handles my large mops quite nicely and it works at a speed that is easy to use. I make my own mops and use the 1/2" arbors from Kingspor to mount them.

rikon sander.jpg

Edited by tgiro
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8 hours ago, tgiro said:

The biggest con of the Guinevere is the speed. You can get used to it, but it takes practice - specially when sanding small pieces. The Guinevere chucks are limited in size - I think the largest is 3/8".  The Foredom Bench Lathe, that Melanie is refering to, has a chuck limitation of 1/4".

Right now, Woodcraft has the Rikon slow speed 8-inch grinder on sale. That is what I'm using. I have a Flex-drum sander on one shaft and a chuck on the other shaft for sanding mops and smaller drums.

I got my chuck here - https://www.shopsmith.com/ownersite/catalog/dr_chuck.htm

Although, you can, also, find them at McMaster Carr or Grainger.

It handles my large mops quite nicely and it works at a speed that is easy to use. I make my own mops and use the 1/2" arbors from Kingspor to mount them.

rikon sander.jpg

I looked at the Guinevere  and it is too fast. Will burn cherry! I used to use a variable speed lathe with drill chuck but now use a Rikon low speed grinder with drill chuck so I can use the 3M sanding disks.

bb

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https://www.amazon.com/Rockler-TATS-26-Router-Speed-Control/dp/B001DT4T4A/ref=sr_1_1?keywords=120+volt+variable+motor+speed+controller+20+amp&qid=1576350309&refinements=p_72%3A2661618011&rnid=2661617011&sr=8-1

One of these kicking around the shop and a tach meter will pretty much control speed of most hand powered/ small shop motors. Searched and found this which is about 20 amps at 120 volts. Hand held tach meter will take care of dialing in the speed you want on a rotating shop tool. RJF

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