Re: Bore problem [TANKS]

["Marc en Wendy" <marcmethorst-at-zonnet.nl>]

In my enthousiasm I mentioned 20000 in the stainless steel formula, this 
should be 5000. I wanted to state that you need a lower rpm (roughly about 
half the RPM for carbon steel).

Marc 'unemployed for reasons unknown by myself' M.

----- Original Message ----- 
From: "Marc en Wendy" <marcmethorst-at-zonnet.nl>
To: <tanks-at-rctankcombat.com>
Sent: Thursday, December 23, 2004 12:37 PM
Subject: Re: Bore problem [TANKS]


>O yes it will work fine using a drill press.
> Be sure to use a new, sharp drill, special drill fluid (comes in spray 
> cans; ask the better hardware stores) and better press the drill down 
> firmly over a couple of times rather then to drill the hole in one 
> attempt. Also make sure the drill press is set to the right rpm's 
> according to the diameter.
> I always use this formula: rpm= 10000 / drill diameter in mm for carbon 
> steel and 20000 / drill diameter for stainless steel. Works fine, you only 
> need to convert it to inches.
>
> Marc 'drilling is not an art, it's a way of life' M.
>
> ----- Original Message ----- 
> From: "chris barthelson" <barthelson88-at-hotmail.com>
> To: <tanks-at-rctankcombat.com>
> Sent: Thursday, December 23, 2004 10:02 AM
> Subject: Bore problem [TANKS]
>
>
>> Hi all,
>> I bought my sprockets yesterday and the bore is only 5/16 they need to be 
>> 5/8. I don't have a lathe so would a drill or a drill press work??? If 
>> not I can get to a lathe but not for another 6 weeks.
>> Chris. b
>>
>> _________________________________________________________________
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>>
>