Kia Tikaboo

Dear All,

Great thread. I was out a my coder's house and he has just fell a bunch of Ponderosa Pine.

Paul stated pine would be fine, does that include Ponderosa, maybe a dumb question, but this is alot of work and I don't want to screw it up from the get go.

Cheers!

kt

Dear Lasse,

Thanks for the input. Glad to hear that you had a good winter.

I've always loved AK, I just not tough enough for your winters.

Happy Break-up!

kt

Dear Erica,

Greetings from the Methow, I look forward to meeting you in person as your student on April 28.

I am thinking of putting an insulated box atop my barrel for cooking.

Any input you might have would be appreciated.

I think I've seen you and your husband at either the Twisp Market or at Barter Fair.

Best Regards,

kt

Dear Lasse,

Greeting from the North Cascades. My current design is to put in a clean-out at the front, and also below the chimney. The remaining flow will be routed through 3 runs around the perimeter of my greenhouse.

Do you think I need to add clean-outs to the "battery" portion?

When's breakup this year? I've heard it was quite the winter for you,

Best,

kt

I am currently building a rocket mass stove to heat the perimeter of my greenhouse.

I am using 6" single wall stove pipe to channel the exhaust, and was wondering what the maximum length should be.

I consulted Ianto's book and he indicates a range of 32 to 40 ft.

My run will be 40 ft with 4 90 degree turns.

Does that seem reasonable?

Thanks,

kt

Dear All,

Does anyone have any experience using Aspen that they could share?

I have two big ones that came down, and am about to fire up the chain saw to make some raised hugulkultur beds.

Should I be using them for this purpose?

Thanks,

R

Dear Toby and Paul,

I am closing in on a 320 sq.ft. greenhouse to go from a three month outdoor growing season to an eight month season on the east slope of the North Cascades.

I'm a considering using the dirt floor as a thermal battery for a rocket stove to bring night time soil temperatures above 50 degrees.

Do you have any tips, ideas, or thoughts.

thanks,

Ruwenzori

Dear Len,

Thank you again,

More q's should you have the patience:

Are you calculating the riser CSA by subtracting the CSA of the insulated chimney from the CSA computed with the internal diameter of the riser?

Are you exhausting your RMH inside or outside of the house?

Are you aware of any materials that would serve as a good thermal mass, but are lighter and more appropriate for a mobile RMH.

Thanks Again!

Ruwenzori

Dear Len,

Thank you for your input. Have you used a 4 inch diameter chimney?

Does CSA stand for "cross-sectional area?"

Am I correct in understanding the the CSA of the vertical wood feed should be 1/3 to 1/4 of the CSA of the insulated chimney, and that the exhaust pipe leaving the riser can be 1/2 of the insulated chimney?

Finally do you have guidance on ratios of the diameter of the chimney to the diameter of the riser?

Thanks for your time and attention.

Best,

Ruwenzori

Dear All,

Greetings from the North Cascades.

I have three questions regarding people's rocket mass heaters:

Have anyone designed one that uses outside combustion air?

Is 6 inches is a good minimum diameter for your exhaust stack?

Is 2 inches clearance between the top of the riser and the barrel covering it a good dimension?

Has anyone built a hybrid that works with a water jacket?

Thanks and Happy Winter,

Ruwenzori