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How much does length matter?

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Forum topic by newwoodbutcher posted 05-11-2013 05:49 AM 781 views 0 times favorited 10 replies Add to Favorites Watch
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newwoodbutcher

423 posts in 1847 days


05-11-2013 05:49 AM

As my tool numbers increase, so do my DC requirements.
I’ve got a Delta 760 set up in a separate room (les noise) from my shop. I’m running my cabinet saw, an 8” jointer and a 15” planner off of it on four inch black plastic sewer pipe. Both the jointer and planner are on a 15foot run and are working fine. The table saw on its own run from the DC Y is about 25 feet, also working fine. Now I need to add DC for two band saws and a Performax 16-32 sander. I could get all the machines on a Y from the TS run that would add 30 feet. I have automatic blast gates on all the current hook ups and will do the same for the rest. I only use one tool at a time. I’ve been thinking I would add a second HF 2 HP DC for the additional tools, thinking the 760 won’t handle the extra length. But it sure would be easier and less expensive to add onto the existing DC. I don’t want to go through all the trouble of adding the additional tools to the 760 only to find it inadequate. All the engineering data on DC is bewildering to me. I know some among you have the technical knowledge to answer my question. Can I add the additional 30 feet and tools to the current system? Or do I need to add a second DC? Sometimes I think I should buy a used higher HP (3HP?) system and sell my 760. I’m trying to keep the cost around $300 including the pipe. I already have the blast gates. I will appreciate your advice.

-- Ken


10 replies so far

View Loren's profile

Loren

7967 posts in 2644 days


#1 posted 05-11-2013 06:10 AM

You’re looking at fine dust with those machines, no
chips really. High airflow helps with getting fine dust.

With band saws not a lot of dust gets airborne… it
falls into the saw cabinet.

-- http://lawoodworking.com

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Tugboater78

1810 posts in 1188 days


#2 posted 05-11-2013 06:17 AM

The subject made me laugh.. sorry

No DC knowledge here, a broom and customs is my current method :(

-- Justin - the tugboat woodworker - " nothing changed me like the first shnick from a well sharpened, decent hand plane"

View distrbd's profile

distrbd

1729 posts in 1443 days


#3 posted 05-11-2013 12:50 PM

Tugboater78,the subject made me laugh too,it does matter to some!

-- Ken from Ontario, Canada

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longgone

5688 posts in 2305 days


#4 posted 05-11-2013 02:52 PM

Length always matters when you are working with your wood.

View Loren's profile

Loren

7967 posts in 2644 days


#5 posted 05-11-2013 03:02 PM

I’d say if your present setups is getting your planer
chips, it’s probably adequate to get the drum sander
dust.

You’ll lose a lot of suction in bends… not a whole lot
in straight runs of duct.

-- http://lawoodworking.com

View Paul Stoops's profile

Paul Stoops

333 posts in 1558 days


#6 posted 05-11-2013 04:39 PM

If possible, you might consider relocating your DC to a more central location, which might reduce the length of all or at least the longest runs. However, that would probably require some rearrangement of your ductwork.

That said, since you are only using one tool at a time, I would think a 30 ft. run would work, especially if you minimized the number of bends and the length of flex hose, both of which seriously reduce air flow.

-- Paul, Auburn, WA

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newwoodbutcher

423 posts in 1847 days


#7 posted 05-14-2013 04:21 AM

Thanks you all. If I add the new machines onto the existing DC, I’ll be adding about 30 feet of pipe with one Y, and seven 45’s. Would you go through the trouble to hook it all up? Or would you want more DC?

-- Ken

View Cole Tallerman's profile

Cole Tallerman

392 posts in 1182 days


#8 posted 05-14-2013 11:21 PM

If your looking to spend $300, Get the HF for $150 with coupon. If you put it outside or in a mostly unused room, you wont need to upgrade the filter. Then you have $150 for pipe.

Btw, what automatic blast gates are you using?

View UncannyValleyWoods's profile

UncannyValleyWoods

336 posts in 860 days


#9 posted 05-14-2013 11:26 PM

My wife says that girth is much more critical.

-- http://www.etsy.com/shop/UncannyValleyWoods

View newwoodbutcher's profile

newwoodbutcher

423 posts in 1847 days


#10 posted 05-15-2013 05:10 PM

I’m not looking to spend $300. If I need to I can spend $300 on this. Can I get away with adding the additional pipe?

-- Ken

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