----- Original Message -----
From: "Don Bozarth" <drboz@pacbell.net>
To: "Mike, K6BR" <noddy1211@sbcglobal.net>
Sent: Wednesday, August 30, 2006 5:46 PM
Subject: Re: [TowerTalk] SDS Hammer Drill Sale
> Hammer drills don't hack it here. I've got hardpan down 3 ft. and it goes
> to well over 10'.... the hammer drill goes through those first 3 ft like a
> hot knife through butter... but once you hit that hardpan they won't budge
> it another inch. Short of the full blown, and awkward as the dickens to
> work with, electric jack hammers there's now way short of a heck of a lot
> of sledge hammering to get rods in properly.
>
> Don Bozarth
> W6DRB
>
> ----- Original Message -----
> From: "Mike, K6BR" <noddy1211@sbcglobal.net>
> To: "'Ian White GM3SEK'" <gm3sek@ifwtech.co.uk>;
> <towertalk@contesting.com>
> Sent: Wednesday, August 30, 2006 4:25 PM
> Subject: Re: [TowerTalk] SDS Hammer Drill Sale
>
>
>>
>> Luckily I still have my old Kango 950 Rotary hammer (30 years old) and
>> bits
>> from the UK, it just melts grounds rods into the ground. Melts your arms
>> as
>> well:) A wonderful tool if they are still in business.
>>
>> Mike
>>
>>
>> AA6DX - Mark wrote:
>>>Coupon good thru today .. lots of queries, here `tis on line
>>>http://www.harborfreightusa.com/usa/emails/display.do?fname=34_retailB.html
>>
>> That particular model (or something very like it) has been around in
>> Europe for some time, but those large SDS drills may not be the bargain
>> they seem. At 10 pounds they are too heavy for anything but drilling or
>> chiseling downward.
>>
>> The SDS system works by delivering very sharp hammer-blows, and it
>> doesn't need a heavy-bodied drill behind it, so a better choice for
>> all-round use would be the "2kg" class. These are large pistol-grip
>> drills, but still have a comfortable heft in one hand - for example:
>> http://tinyurl.com/qg3bj
>>
>> I have that particular model, and it is solid, reliable and a real
>> pleasure to use. With that and a good cordless drill, I'm all set. The
>> old hammer drill never comes out of the box any more.
>>
>> The granddaddy of all the SDS brands is Bosch, who invented the system.
>> However, the technology is now licensed to many other firms, so all
>> drills in the same weight class are pretty similar, give-or-take a few
>> features.
>>
>> It's worth the time and trouble to read some reviews, and then look for
>> a good price on a drill that has all the following features:
>>
>> * "2kg" (5-pound) class... unless you are genuinely looking for a heavy
>> concrete blaster.
>>
>> * SDS+ chuck - obviously
>>
>> * Safety clutch - don't touch an SDS drill that doesn't have one! These
>> machines have serious torque.
>>
>> * Hammer stop (drill only, for accurate starting - then flip on the
>> hammer action and watch it go!)
>>
>> * Rotary stop for chiseling, which is lockable at several different
>> angles (some models have rotary stop, but either lock at only one angle
>> or don't lock at all)
>>
>> * Good slow-speed control.
>>
>>
>>
>>
>> --
>> 73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB)
>> http://www.ifwtech.co.uk/g3sek
>>
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