Nope, outside as you've done will be fine..... however, part of the job of a secondary air system is to preheat the incoming air. Why not give it a head start and let it draw slightly warm air from the room?
Personally, for simplicity, I'd draw both from the room and make sure the room has a vent. Unless it's for somewhere very enclosed (like a caravan, boat, camper e.t.c) it's what most woodburners do.
Outside has the advantage of minimising the risk of CO escape though I suppose.
I wouldn’t put them outside. You’d run the risk of flue reversal especially if you have an uninsulated flue. This would mean smoke going out the air vents and fresh air coming down the flue. It can and does happen on some direct air installations but for some reason most of the industry turns a blind eye to it. Can be dangerous. Keep the air inlets inside and put a vent in the wall. It doesn’t normally matter how high the air inlets are relative to the fire as long as they’re not above the stove. The only exception with your stove may be the tertiary air that you’ve labelled as secondary. When the door is open you may find that smoke gets pushed into the air inlet and out of the stove. Might be worth ducting that one to low level.
Cool, thanks for the info, that answered a few concerns
Ok duct the Tertiary air to ground level
I guess the downwards ducting is for smoke reasons and not performance, if that is the case then I guess there is no harm in ducting the primary too.
The hottest part is above your baffle plate so id run from below up side of tank enter above baffle plate go around it and then into your secondary air where is now
AS goes for your primary air run it up side and then to your controler this will give adequate control dont forget cold air expands when heated so there is a push on your system
IF you want to see it in action you can I have a videos on dailymotion I was testing a 2 way woodstove
JUst type gadily on search there or look for rocket stove on here
ALso note your type of stove only saves 33% of wood I went down the rocket stove method to save more on wood
Hi Gaz
Ok cheers for the info, something to think about but I'll probably just do what waddycall suggests and keep both inlets indoors... As I need heat asap getting cold lol
Still got that brick design rocket stove to finish off you helped me with last year, never got round to fully building it, it's still here though half built will be the next project
I think room sealed wood burners are a great idea in modern houses, but, in out 1800s house, it's advantageous to draw air through to reduce humidity etc.