Path: ...!weretis.net!feeder6.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail
From: Richard Smith <null@void.com>
Newsgroups: rec.crafts.metalworking
Subject: Re: cordless tool 18V to 12V converter
Date: Fri, 15 Mar 2024 18:37:57 +0000
Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com)
Message-ID: <m15xxngx2y.fsf@void.com>
References: <m17cio63li.fsf@void.com> <m1bk7f62ps.fsf@void.com>
	<ut1pkd$293a4$1@dont-email.me> <ut21io$2d33u$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Info: nnrp.usenet.blueworldhosting.com;
	logging-data="86240"; mail-complaints-to="usenet@blueworldhosting.com"
User-Agent: Gnus/5.13 (Gnus v5.13)
Cancel-Lock: sha1:bU7A8jFGkM21VVoxFY4d5V5veRw=
	sha1:mt69jwggjQgA2qixQJww4vBrdY4= sha256:Zg10LE2uEn1s2NcXtqbJ3QpFWpEVPjK78jYG49zfqYk=
	sha1:feVxBfPu85b05Op1FgEtKY8nROI= sha256:RnphjDSKRTpP5+M3HoJuYQopo1zQ2BoTFLOXG0LHG4M=
Bytes: 2009
Lines: 28

"Jim Wilkins" <muratlanne@gmail.com> writes:

> "Leon Fisk"  wrote in message news:ut1pkd$293a4$1@dont-email.me...
>
> On Fri, 15 Mar 2024 13:31:43 +0000
> Richard Smith <null@void.com> wrote:
>
> <snip>
>>http://www.weldsmith.co.uk/tech/minerals/240314_rocksplit/240314_rocksplit_drill_feathers.html
>>"Rock-split granite with "cordless" SDS drill and "feathers""
>
> Rich,
>
> NICE job! You have a working solution to this problem👍
>
> Forgive me... but my mind immediately went to why not make (or buy)
> some larger feathers to fit the Pneumatic drill hole and maybe some
> smaller feathers so your battery drill could use a smaller drill hole🤔

If I'd got the Trow & Holden feathers they would have been as-described
and I could use a 10mm drill

(/f (expt 10 2) (expt 14 2)) ;; 0.5102040816326531

Half the area and volume drilled.

"I had to start somewhere" :-)

Best wishes,