Rick, save your dough. Forget insulation and with the water cooled spindle, use a bunsen burnerIf I committed to getting one , I’d go with a water cooled spindle like David’s, but... ...others say Insulation might help :grin:
to keep from freezing. Sterno's perhaps?

Best of both worlds in used in unison, no?? :grin: :wink:
Commit and go the Sterno route... i gotta see this.