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larkrv10(at)gmail.com
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 Posted: Mon Mar 11, 2013 6:04 pm Post subject: cabin top trimming data point |
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Guys, I started trimming the cabin top today and made 2 discoveries. 1) as others have found normal jig saw blades dull incredibly quickly. 2) I also tried a carbide jig saw blade I purchased years ago to cut ceramic tile. This blade was mounted in my Makita jig saw and worked great. I completed all the rough trimming in probably a 1/2 hour, and with little dust compared to a rotary tool.
Unfortunately I have no idea where I purchased this blade now but if you can find one, give it a try.
Rick
#40956
Southampton, Ont
[quote][b]
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wgreenley
Joined: 09 Jan 2010
Posts: 100
Location: Dowagiac, MI
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| Posted: Tue Mar 12, 2013 5:45 am Post subject: cabin top trimming data point |
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What grit of carbide blade did you find worked best for you?
On Mon, Mar 11, 2013 at 10:04 PM, Rick Lark <larkrv10(at)gmail.com (larkrv10(at)gmail.com)> wrote:
[quote]Guys, I started trimming the cabin top today and made 2 discoveries. 1) as others have found normal jig saw blades dull incredibly quickly. 2) I also tried a carbide jig saw blade I purchased years ago to cut ceramic tile. This blade was mounted in my Makita jig saw and worked great. I completed all the rough trimming in probably a 1/2 hour, and with little dust compared to a rotary tool.
Unfortunately I have no idea where I purchased this blade now but if you can find one, give it a try.
Rick
#40956
Southampton, Ont
| Quote: |
get="_blank">http://www.matronics.com/Navigator?RV10-List
tp://forums.matronics.com
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[b]
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bwestfall
Joined: 22 Oct 2008
Posts: 131
Location: Portland, OR
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| Posted: Tue Mar 12, 2013 10:23 am Post subject: cabin top trimming data point |
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I did my cabin top trimming with the harbor freight body saw and about 2 packs of blades or more making lots of dust and spending way too much time doing it. I suffered through trimming the rear windows with the typical 4” cutoff wheel then another builder, Mark Cooper, turned me on to a great alternative the diamond wheel for dremel tools.
http://www.dremel.com/en-us/Accessories/Pages/ProductDetail.aspx?pid=EZ545
This works really well for both fiberglass and plexi and seems to last quite a while. I trimmed the door windows with this in minutes compared to the hours it took using the vans supplied cutoff wheel. It doesn’t take side loading very well but given its smaller size it works pretty good still trimming the corners.
-Ben
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Rick Lark
Sent: Monday, March 11, 2013 7:04 PM
To: rv10-list(at)matronics.com
Subject: cabin top trimming data point
Guys, I started trimming the cabin top today and made 2 discoveries. 1) as others have found normal jig saw blades dull incredibly quickly. 2) I also tried a carbide jig saw blade I purchased years ago to cut ceramic tile. This blade was mounted in my Makita jig saw and worked great. I completed all the rough trimming in probably a 1/2 hour, and with little dust compared to a rotary tool.
Unfortunately I have no idea where I purchased this blade now but if you can find one, give it a try.
Rick
#40956
Southampton, Ont
[quote][b]
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larkrv10(at)gmail.com
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| Posted: Wed Mar 13, 2013 6:06 am Post subject: cabin top trimming data point |
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William, I don't have any idea what grit it is. I attached a photo which should help. I would say that the grit could have been more coarse which would have made it cut even faster. The blade is pretty beat up now. I was in a machine shop/tool place yesterday and they had similar blades, so they must be available. Certainlt a tile installtion place would know where to get them.
Good luck, Rick
On Tue, Mar 12, 2013 at 9:44 AM, William Greenley <wgreenley(at)gmail.com (wgreenley(at)gmail.com)> wrote:
| Quote: | What grit of carbide blade did you find worked best for you?
On Mon, Mar 11, 2013 at 10:04 PM, Rick Lark <larkrv10(at)gmail.com (larkrv10(at)gmail.com)> wrote:
| Quote: | Guys, I started trimming the cabin top today and made 2 discoveries. 1) as others have found normal jig saw blades dull incredibly quickly. 2) I also tried a carbide jig saw blade I purchased years ago to cut ceramic tile. This blade was mounted in my Makita jig saw and worked great. I completed all the rough trimming in probably a 1/2 hour, and with little dust compared to a rotary tool.
Unfortunately I have no idea where I purchased this blade now but if you can find one, give it a try.
Rick
#40956
Southampton, Ont
get="_blank">http://www.matronics.com/Navigator?RV10-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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tfarrell839
Joined: 10 Nov 2012
Posts: 27
Location: Watsonville, CA
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| Posted: Wed Mar 13, 2013 9:03 am Post subject: cabin top trimming data point |
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At the RV-10 Composite course we just did, we brought out a whole pile
of tools and settled on the following as being the best:
Permagrit Composite cutoff wheel on a Die Grinder for trimming all but
the thickest parts
Angle Die Grinder with a 1.5 or 2" Drum sander took down the thick stuff
very well, use it when you've trimmed off all the flange are are working
on the actual frame. Maybe 80 grit?
A nice long block with 30 or 40 grit was great for cleaning up after the
sanding drum/wheel.
And a tungsten or permagrit bit for making small radius' was essential.
Other traditional cut-off wheels were too slow and a straight line air
sander didn't have the power to be as fast as a hand block. Sanding
discs weren't as fast as the drums
We didn't have, but would like to have tried, the composite jig saw
(although my experience with those in the past is that the composite
cut-off wheels are almost as fast and cut better lines), or the
composite tips for an oscillating tool.
Here are pics of what worked:
http://www.easycomposites.co.uk/Images/products/medium/permagrit-RD2.jpg
http://ecx.images-amazon.com/images/I/51yWy%2BZk1vL._SL500_SS500_.jpg
http://di1-4.shoppingshadow.com/images/pi/b4/5b/37/103251036-260x260-0-0_Dura+Block+Dura+Block+Long+Board+3+Piece+Durablock.jpg
http://www.permagrit.com/images/rf5c.jpg
Tim
--
Tim Farrell -
Aircrafters -
Owner/Manager -
(831) 722-9141 -
www.aircraftersLLC.com
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_________________
Tim Farrell
Aircrafters
831-722-9141 |
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flying-nut(at)cfl.rr.com
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| Posted: Wed Mar 13, 2013 9:23 am Post subject: cabin top trimming data point |
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I turned most of the 'excess' into FG dust with a 4" angle grinder from
Harbor freight. Used a fan to blow the dust out the shop door.
Also used my air angle grinder with a 3" cutoff wheel ..... angled so I
could 'swipe' at the edge for finer work.
Dual action air sander with 6" pad worked great also.
PVC pipe with stick on sandpaper makes a great tool for rounded corners
.... and comes in a lot of great sizes!!
I've also used pill bottles, spice bottles etc. with stick on sandpaper.
Dremel tool with carbide bits/cutoff wheels for tight spots.
Linn
On 3/13/2013 12:59 PM, Tim Farrell wrote:
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Nicholscatoauto(at)aol.co
Guest
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| Posted: Wed Mar 13, 2013 9:38 am Post subject: cabin top trimming data point |
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I just purchased a carbide blade at a menards ( similar to lowes). It was manufactured by bosch and it said 30 grit, part number is U30RF1. It really did work well for initial trimming, thanks for the tip.
Sent from my iPad
On Mar 13, 2013, at 12:19 PM, Linn <flying-nut(at)cfl.rr.com> wrote:
| Quote: |
I turned most of the 'excess' into FG dust with a 4" angle grinder from Harbor freight. Used a fan to blow the dust out the shop door.
Also used my air angle grinder with a 3" cutoff wheel ..... angled so I could 'swipe' at the edge for finer work.
Dual action air sander with 6" pad worked great also.
PVC pipe with stick on sandpaper makes a great tool for rounded corners ..... and comes in a lot of great sizes!!
I've also used pill bottles, spice bottles etc. with stick on sandpaper.
Dremel tool with carbide bits/cutoff wheels for tight spots.
Linn
On 3/13/2013 12:59 PM, Tim Farrell wrote:
>
>
> At the RV-10 Composite course we just did, we brought out a whole pile of tools and settled on the following as being the best:
>
> Permagrit Composite cutoff wheel on a Die Grinder for trimming all but the thickest parts
> Angle Die Grinder with a 1.5 or 2" Drum sander took down the thick stuff very well, use it when you've trimmed off all the flange are are working on the actual frame. Maybe 80 grit?
> A nice long block with 30 or 40 grit was great for cleaning up after the sanding drum/wheel.
> And a tungsten or permagrit bit for making small radius' was essential.
>
> Other traditional cut-off wheels were too slow and a straight line air sander didn't have the power to be as fast as a hand block. Sanding discs weren't as fast as the drums
>
> We didn't have, but would like to have tried, the composite jig saw (although my experience with those in the past is that the composite cut-off wheels are almost as fast and cut better lines), or the composite tips for an oscillating tool.
>
> Here are pics of what worked:
>
> http://www.easycomposites.co.uk/Images/products/medium/permagrit-RD2.jpg
> http://ecx.images-amazon.com/images/I/51yWy%2BZk1vL._SL500_SS500_.jpg
> http://di1-4.shoppingshadow.com/images/pi/b4/5b/37/103251036-260x260-0-0_Dura+Block+Dura+Block+Long+Board+3+Piece+Durablock.jpg
> http://www.permagrit.com/images/rf5c.jpg
>
>
> Tim
>
|
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