Recent content by TAOspinner

That is awesome!

2 more teeth in the rear will give you a 4% increase in torque. If you can go 2 smaller up front (30 to 28t), that would be a 6.7% increase. You can look up the specific crankset you have and find out the smallest chainring that will fit on it. Make sure you also take 2 links off your chain if...

Yes, because the unit is not insulated from the outside air, humid cabin air will more easily condense and freeze near the outer portion of the inlet. Also, the fan is on the inside of the core which creates a lower pressure on the inlet side further reducing the air’s temperature. Another...

Awesome! As soon as i determine the tube dimensions, I’ll get back with you.

After testing the one i build, I’d definitively consider building more. I’ll need to create special vent covers for the fresh and exhaust. Anyone desire to help with this? 🙂 A 3D printed model would be great to start with…

Adding an outside vent to the heater is the cheapest option but it actually is no better that opening a window as far as efficiency goes because now the heater is having to heat that cold air instead of the cabin air requiring much more energy to do so.

Before coming upon this post i spent MANY hours looking for either an RV specific HRV or one suitable for my van. There are none, and on top of that, everything out there is junk anyway. After finishing graduate work in Building science, I worked for a guy (Ron) who owns a residential...