[Stoves] DIY camping TLUD with walnut shell fuel

neiltm at uwclub.net neiltm at uwclub.net
Wed Jun 15 07:24:10 CDT 2016


Thanks for this Crispin.  I know a vintage car restorer and mechanic with 
a plasma cutter who may have such drop outs, that's a very good thought - 
I'll ask him.

Best wishes,   Neil Taylor

On 14 Jun 2016 at 8:56, Crispin Pemberton-Pigott wrote:

> 
> Dear Neil
> 
> The local flame cutting and laser cutting shop is your friend for this 
> item. When cutting with heat they pierce the inside of hole edge and cut 
> around leaving a circle with a hole in the edge. This is called a 
> 'drop-out'. You can weld shut the hole or ignore it.
> 
> Drop outs come in all sized and thicknesses. I used 350mm dia 32 and 40mm 
> thick drop-outs for years as flywheels. They are really cheap because 
> they are sold for scrap. You need to make friends with such shops because 
> when you want to make larger parts they are pretty much always going to 
> be round if it is a cooking stove.
> 
> They also have rectangular offcuts which are good for hammering on and 
> holding things flat while welding or bending. Also they are good for 
> making straight corners by hand and hammer.
> 
> If you don't have access to such a source, you can find fat round parts 
> from cars and trucks like bearings, ends of half-shafts, flywheels, axel 
> covers and so on.
> 
> When you can only find or make say a 2mm thick piece, just stack them. No 
> need even to weld, just bolt. You can get the same 'anvil' function. If 
> the 'anvil' is slightly too small, or if you need two parts that fit 
> tightly over one another in terms of the lips, make one part and form the 
> second on top of it. After getting them apart, they will fit very 
> snugly.
> 
> One of the first tools a stove developer needs is a small hand held 
> plasma cutter and compressor. Cut a part, then use it as a template to 
> make a slightly larger one, repeat. If it is a hole you make, using the 
> drop-out re-creates the original size. Starting with one round original 
> you can quickly accumulate sets of rings for making circles of any size. 
> Try to use 2mm thick as a cutting jig. 
> 
> Have fun!
> 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
> 
> 
> 






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