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  #11  
Old 11-27-2018, 08:24 AM
iamtheari iamtheari is offline
 
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Location: ND
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What tools should I pick up for smoothing/rounding the edges of the plexiglass? Just waterproof sandpaper or is there some kind of a scraper that would be easier or safer?
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  #12  
Old 11-27-2018, 08:29 AM
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bkervaski bkervaski is online now
 
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A cabinet scraper is what we used and it worked great:

https://www.amazon.com/Crown-375-377.../dp/B01CJHS904
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  #13  
Old 11-27-2018, 02:54 PM
Stockmanreef Stockmanreef is offline
 
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plus 1 for the cabinet scraper. I actually used it to trim the back edge of the canopy. It took a while, but i had sections where very little was needed to be removed.
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  #14  
Old 11-28-2018, 03:38 PM
iamtheari iamtheari is offline
 
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Quote:
Originally Posted by Rteem View Post
After trying to dull a few bits, I saw someone else on here recommended tapered drill reamer bits. They are perfect for this and easily drilled through metal and plexi while working on the canopy with extremely clean holes and no cracking.

I got mine custom from Superior Tool Service. The 3 inch ones worked great. You can find all sizes on their website.
What sizes are needed for the RV-14? I looked at the canopy and window instructions and came up with #40, #36, and #27. But at $40-50 per bit, I don't want to over-buy or under-buy the tools I'll actually benefit from. I've also read about using Unibits on the plexiglass, but I don't understand where that would be done on the RV-14 since I'm not familiar with a Unibit with wire-gauge sizing.
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  #15  
Old 11-29-2018, 10:47 AM
John Tierney John Tierney is offline
 
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Location: Salem, WI
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Cleaveland has bits for much less cost. http://www.cleavelandtool.com/Plasti...s/products/22/
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  #16  
Old 11-29-2018, 10:59 AM
iamtheari iamtheari is offline
 
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Quote:
Originally Posted by John Tierney View Post
Cleaveland has bits for much less cost. http://www.cleavelandtool.com/Plasti...s/products/22/
Do you know which sizes are needed? I'm always overwhelmed with drill numbers vs. fractional sizes.
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  #17  
Old 11-30-2018, 11:33 PM
Rteem Rteem is offline
 
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Location: Charleston, SC
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Quote:
Originally Posted by iamtheari View Post
What sizes are needed for the RV-14? I looked at the canopy and window instructions and came up with #40, #36, and #27. But at $40-50 per bit, I don't want to over-buy or under-buy the tools I'll actually benefit from. I've also read about using Unibits on the plexiglass, but I don't understand where that would be done on the RV-14 since I'm not familiar with a Unibit with wire-gauge sizing.
Those are the sizes I got and was able to complete the landing light lenses, canopy, and rear window using them. I know they are expensive, but Iím almost certain it would be impossible to chip the plexi using them. I read one too many blogs of chips using plexi or dulled bits so went the safe route, YMMV
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  #18  
Old 12-01-2018, 03:54 AM
Cwood2000 Cwood2000 is offline
 
Join Date: Jun 2012
Location: Tallahassee, fl
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I also found dull bits to be as good or better than a plexiglass bit. But, after going through three landing light lenses I found speed and pressure control was the main factor in causing cracks. Turn the bit very slow and offer very little down pressure, almost no pressure when it's about to break through. Had zero issues with the canopy.
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  #19  
Old 01-07-2019, 10:32 PM
iamtheari iamtheari is offline
 
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Checking again before I order anything... Do I need all three sizes or will a #40 plexi bit followed by regular #36 and #27 bits to upsize the hole.
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