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Technoweenie · 08-26-2023, 05:09 AM

Host vehicle is BMY M923A2. More than capable to handle the weight.

I have a near identical box that's not insulated, and realized the cost to insulate it would cost more than a reefer box I've been keeping my eye on... about 3x as much.. and it'd never get close to the insulation/ruggedness of the reefer box. 4-6" should net close to R25/R30.

Reefer unit has been removed, leaving hole in front which I can patch easily.

I can run electrical on surface, everything is planned to be 24V. A little conduit never hurt anyone.

The question is.. How do you not suffocate without compromising the insulation?

Getting fresh air in/out is the opposite of what they're designed to do, and while adding fans/vents is easy, it would seem like I'd just be poking holes in a boat - letting in the stuff I'm trying to keep out.

Obviously I'd need to run some calculations on airflow, but it looks like for the size of my box, a constantly running small computer fan would be enough to get enough fresh air in/'stale' air out... although that doesn't take into account for moisture accumulation.

Thoughts?

08-26-2023, 05:09 AM	#1
Technoweenie Junior Member Join Date: Aug 2023 Location: Nova Laboratories Posts: 2	16' Reefer box as starting point? Host vehicle is BMY M923A2. More than capable to handle the weight. I have a near identical box that's not insulated, and realized the cost to insulate it would cost more than a reefer box I've been keeping my eye on... about 3x as much.. and it'd never get close to the insulation/ruggedness of the reefer box. 4-6" should net close to R25/R30. Reefer unit has been removed, leaving hole in front which I can patch easily. I can run electrical on surface, everything is planned to be 24V. A little conduit never hurt anyone. The question is.. How do you not suffocate without compromising the insulation? Getting fresh air in/out is the opposite of what they're designed to do, and while adding fans/vents is easy, it would seem like I'd just be poking holes in a boat - letting in the stuff I'm trying to keep out. Obviously I'd need to run some calculations on airflow, but it looks like for the size of my box, a constantly running small computer fan would be enough to get enough fresh air in/'stale' air out... although that doesn't take into account for moisture accumulation. Thoughts?