In article ,
David Lang wrote:
Rawltool. But it wouldn't be anything like as fast as an SDS.

Very similar to SDS if you think about. Whacked with a big hammer,
turned, whacked, turned, whacked.

Absolutely.

I used to have one, very useful bit of kit with a 4lb lump hammer behind
it.

Yup - about the only DIY way of 'drilling' granite or stafford blues etc
before SDS.

How many Joules would that be?

Later...;-)

--
*If God dropped acid, would he see people?

Dave Plowman London SW
To e-mail, change noise into sound.