Oi Des [ the hole digger]

[Des Garvin]

Willatodd, yep the managing dirrector and the I.T. desginer have differing ideas of desgin

[birdy]

Got me rods Des. [ didnt take long did it :]Just a note bout these drill rods, tryed to cut sum into 3" stumps the other day with the gas axe. dont work. Couldnt even get a hole started. ???

[Des Garvin]

Hi Dave, sounds like those rods are some strange stuff. What happens when you try to grind them with the angle grinder? or cut them with a cutoff disc? If it chews the disc out in a very short time I would guess that there is a lot of manganees in the metal to slow down the wear rate. What is the wall thickness of the pipe? Even if the pipe is high in manganees those 16TC"s should hold it right. Lets know how you get on. Cheers Des Garvin.

[birdy]

The cutoff seems to do it orrite, just like cutn regular 3/8 walled 4" without any extra ware.The axe was reactn to it just like wen your cutn mild steel at a weld, and theres slag in the way. It heats up the same, but no matter how hot you get it, the jet just wont blow it.

[Des Garvin]

Birdy, I will chek with my older brother who was a welderfor 50 odd years and get back to you. Cheers Des.

[louww]

Gdday Dave,Was wandering you have a drilling pipe material or cast iron pipe? In cast iron oxy cutting, you formed high refractories oxides (being higher melting point than iron) making it difficult to hot cut. Also, the type of fuel gas (acetylene or propane) used makes a difference in cutting.Lou

[birdy]

Thanx Des.And Lou, its definatly drill pipe.I know wot your sayn bout cast, coz iv tryed that too.

[Des Garvin]

Daveo, dose the drill pipe have a lot of rust scale on the inside of it, or on the out side, big flaky stuff. Other wise see ifyou can get a reasonable picy of the drill pipe and email it to me so I can forward it on to my brother. His thoughts from your discription was likely a big heap of scaly rust inside the pipe. Being drill pipe it would have had drill foam through it and that stuff causes oxidation big time. look in your email for my email address.Cheers Des Garvin.

[birdy]

Nah, no rust at all, not even a pitt, clean asa wisl.The axe wouldnt blow more n 1/32 off the surface and wouldnt carry any fruther without reheatn it.And bout the email bit, mate, who you think your talkn to ere? cant opperate that thing and the MF isnt bac for anatha week or so.

[Des Garvin]

I know she emailed telling me so.

[GraemeMonro]

Be nice to your children Des, they are the one"s that will be choosing your nursing home.Graeme.

[Des Garvin]

Graeme, If you had kids like my two no three now as one got married you wouldn"t worry about the nursing home they chose as you would get the best there is.