Re: KR> Bolt hole reemer

2020-12-18 Thread Mark Wegmet via KRnet
If you really want to get "nut-so" and it is a tight fit (i.e., bolt to WAF hole w/interference) you could always toss the bolt into your deep freezer before insertion. You should definitely see a reduction greater than 0.0005" - of course you could do a trial with a calibrated micrometer (if you c

Re: KR> Bolt hole reemer

2020-12-18 Thread Flesner via KRnet
On 12/18/2020 5:38 PM, Mark Langford via KRnet wrote: I use straight reamers to ream valve guides to the perfect size after installation ++ I'm guessing that would not be a job for a "Sears" drill bit. Sometimes us "high school phy

Re: KR> Bolt hole reemer

2020-12-18 Thread Mark Langford via KRnet
Yep, I almost sent another email saying "plain old drill bits worked for Randy though, and probably 99% of other KR builders!" And you never hear of a WAF connection failureback to that basic "pinned" design criteria. I use straight reamers to ream valve guides to the perfect size after

Re: KR> Bolt hole reemer

2020-12-18 Thread Flesner via KRnet
On 12/18/2020 3:59 PM, GARRY COWLES via KRnet wrote: What size reamer did builders finds useful I built my KR without ever owning or barrow a reamer.  I purchased my WAF but installed them on he spars using drill bits from Sears.  If build

Re: KR> Bolt hole reamer

2020-12-18 Thread Mark Langford via KRnet
Randy Smith wrote: > I use numbered drill bits. I never use a reamer for holes. You may be thinking he's going to use a tapered reamer, but surely not! Drill bits don't necessarily drill round holes, and aren't offered in a lot of sizes. I found somewhere to measure the diameter of the bol

Re: KR> Bolt hole reemer

2020-12-18 Thread Randy Smith via KRnet
I use numbered drill bits. I never use a reamer for holes.  On Friday, December 18, 2020, 04:00:48 PM CST, GARRY COWLES via KRnet wrote: What size reamer did builders finds useful Sent from my iPhone ___ Search the KRnet Archives at https://

KR> Bolt hole reemer

2020-12-18 Thread GARRY COWLES via KRnet
What size reamer did builders finds useful Sent from my iPhone ___ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman