factory windblocker?

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May 9, 2020 | 11:47 PM

#21 (permalink)

WD40

Forum Regular

Joined: May 2019

Posts: 756

Likes: 138

From: Alabama

Re: factory windblocker?

Yep, it's totally secure even w/o the bottom bracket! Although it doesn't seem to block a huge amount of wind, does it?

May 10, 2020 | 09:45 AM

#22 (permalink)

onehundred80

Senior Member

Joined: Apr 2006

Posts: 25,432

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From: Ontario

Re: factory windblocker?

Quote:

Originally Posted by GraphiteGhost

Yeah, ONLY 2/1000ths of an inch? Hardly a difference is right UNLESS the guy holding the drill wiggles like he11 while holding the running drill! Still, I bet the 'serts' would be real tight! Just do not use a really long drill bit, maybe??? Never can be too careful with what is behind it (as a GENERAL rule).

Having some experience with drilling using hand drills and and drilling machines I doubt that when using a hand drill that the hole ends up the nominal drill size in diameter. Best chances are with a new drill, using a drill that has been hand sharpened all bets are off.
Always work up to the final diameter using smaller drills to start that way you can see if you are still on centre. If you have wandered off centre for some reason you can use a round file to move the hole back on centre and then finish the hole.
There is not much point in having the hole the correct diameter when it is obviously off centre.