[Stoves] DIY camping TLUD with walnut shell fuel

[neiltm at uwclub.net]

On 13 Jun 2016 at 21:14, Crispin Pemberton-Pigott wrote:

> "...but I found it impossible to make the holes and retain a flat
> enough undistorted disc after the drilling. " 
> 
> Make the disc thicker. ?The type of controller you want to make has
> to either have a thickness pressed into it to make a lip or groove
> (etc) or be thicker. To make a lipped disk you have to hold it
> between to solid plates, for example 6mm thick, and bolt them
> together using the air holes. Use this "form" as an anvil and known
> the lip over with a hammer. 
> 
> You can make a ring with inner and outer lips lie flat this way, or
> just a flat disk with a lip. 
> 
> The lip height should be about 6-8mm. Over that you will have
> difficulty getting a perfect result. I often use 5mm. 
> 
> Regards
> Crispin
> 

Thanks Crispin.  The idea makes sense to me, but I'm not sure how I would 

cut the two 6mm thick discs!  This rather reminds me of the old Harry 
Belafonte and Ertha Kitt song 'There's a hole in my bucket' (youtube has 
it).  Story of my life unfortunately!

Best wishes,  Neil Taylor