5" inlet on the Super Dust Deputy
Lane: I'm building a HF mod from scratch partly for the savings, but mostly because I have a tiny, tiny shop and want to create effective collection in the smallest footprint possible, wedged into the spaces I have.
The 5" inlet on the SDD confuses me: I want to connect this to a 5" rigid duct system, but there don't seem to be a lot of options. I'd really like to go with PVC or other plastic instead of galvanized HVAC, both for ease of install and for overall rigidity (and to minimize finger cuts, which I seem to get in spades every time I work with galv HVAC).
But 5" PVC is nonexistent at local stores, and a gazillion $ at the online sources I've found. We don't have so many well drillers around here that I feel likely to find someone who wants to take the time to figure out how to sell some of their stock to me, and I'm striking out checking well drilling supply vendors.
And were you able to find 5" blast gates and a wide variety of fittings? It really feels like it's a 6" or 4" world outside of flex hose. Even in galvanized, a lot of fittings that are readily available for 4" and 6" aren't on the shelves.
I've powered forward with most of the build so far, but am stumped to figure out how to do this without stepping down immediately to 4". If doing that were the normal case, it seems like they would not have made the inlet 5" in the first place. There must be a ton of people using the SDD with 5" ducting, but I'll be darned if I can find good info on it.
Thanks for any thoughts you've got!