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stazel(at)cpros.com
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 Posted: Tue Jul 13, 2010 2:04 pm Post subject: Drilling Flap Bearing Blocks |
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I'm ready to drill the bolt holes through the F445 Bearing Blocks, but I'm concerned about the possibility of the drill bit walking and the hole being way off location when it breaks through the other side even though I used my protractor to set the drill press table normal to the drill line. I have considered using a 3/16" spur point drill to make a pilot hole and then opening up with a #10 per instructions. Seems like that might work better than just punching through with a #10 in one shot. Am I over analyzing this?
Stan Loer
RV8 QB
stazel(at)cpros.com (stazel(at)cpros.com)
[quote][b]
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Michael Wynn
Joined: 10 Jan 2006
Posts: 148
Location: San Ramon, CA
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| Posted: Tue Jul 13, 2010 2:10 pm Post subject: Drilling Flap Bearing Blocks |
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Hi Stan,
If I were you, I would start with something a lot smaller, like a #40 and then work my way up. Use a center punch to guide the first hole. Replacement blocks are not very expensive. Ask me why I know this...
Regards,
Michael Wynn
RV 8 Finishing
San Ramon, CA
In a message dated 7/13/2010 3:05:17 P.M. Pacific Daylight Time, stazel(at)cpros.com writes:
| Quote: | [img]res://C:\Program Files\Nuance\NaturallySpeaking10\Program\web_ie.dll/QMARK.GIF[/img][img]res://C:\Program Files\Nuance\NaturallySpeaking10\Program\web_ie.dll/ARROW.GIF[/img] I'm ready to drill the bolt holes through the F445 Bearing Blocks, but I'm concerned about the possibility of the drill bit walking and the hole being way off location when it breaks through the other side even though I used my protractor to set the drill press table normal to the drill line. I have considered using a 3/16" spur point drill to make a pilot hole and then opening up with a #10 per instructions. Seems like that might work better than just punching through with a #10 in one shot. Am I over analyzing this?
Stan Loer
RV8 QB
stazel(at)cpros.com (stazel(at)cpros.com)
|
[quote][b]
| | - The Matronics RV8-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV8-List |
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_________________
Michael Wynn
RV 8
San Ramon, CA |
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26320
Location: Livermore CA USA
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| Posted: Wed Jul 14, 2010 5:29 pm Post subject: Drilling Flap Bearing Blocks |
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Agreed. Start small and work your way up. Also, make sure its clamped to the table REALLY well. I have a huge scar on my hand from where I didn't... 
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: Enjoying The Fruits of 2500 Hours of Labor...
At 03:09 PM 7/13/2010 Tuesday, you wrote:
| Quote: | Hi Stan,
If I were you, I would start with something a lot smaller, like a #40 and then work my way up. Use a center punch to guide the first hole. Replacement blocks are not very expensive. Ask me why I know this...
Regards,
Michael Wynn
RV 8 Finishing
San Ramon, CA
In a message dated 7/13/2010 3:05:17 P.M. Pacific Daylight Time, stazel(at)cpros.com writes:
[]
[]
I'm ready to drill the bolt holes through the F445 Bearing Blocks, but I'm concerned about the possibility of the drill bit walking and the hole being way off location when it breaks through the other side even though I used my protractor to set the drill press table normal to the drill line. I have considered using a 3/16" spur point drill to make a pilot hole and then opening up with a #10 per instructions. Seems like that might work better than just punching through with a #10 in one shot. Am I over analyzing this?
Stan Loer
RV8 QB
<mailto:stazel(at)cpros.com>stazel(at)cpros.com
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ms.matronics.com/">http://forums.matronics.com
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tp://www.matronics.com/contribution">http://www.matronics.com/contribution
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Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: Enjoying The Fruits of 2500 Hours of Labor...
| | - The Matronics RV8-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV8-List |
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Matt Dralle
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