On my son,s forge we have a shop vac running off exhaust port and we control the air pressure with a T fitting and two ball valves. We hooked the supply to...
41020
Jamie Cunningham
geeksgonebad
May 5, 2011 4:10 pm
That's the easiest idea yet! I could probably find a valve that fits the pipe I'm already using :) although things ARE working now - that's a good idea if I...
41021
Matthew Tinker
mattinker
May 5, 2011 5:33 pm
I like hand bellows, which are easy to regulate, the fire burns hot when you want it too and they are quieter,. Electric motors, machines running all the time...
41022
Ron Thompson
ronthomp2002
May 5, 2011 5:51 pm
... Or you could use blast gates. Easy to make on a cnc router. ...
41023
Evan Daniel
evan.daniel...
May 5, 2011 6:16 pm
I went one simpler: shop vac air supply, and butterfly valve inline. Just block the airflow as much or as little as required. No need for a second valve or tee...
41024
oldstudentmsgt
May 6, 2011 5:06 pm
All things considered, the T valve setup is better, as it lets the vacuum motor run full speed with no restrictions on the airflow through the motor. Anything...
41025
Jamie Cunningham
geeksgonebad
May 6, 2011 5:12 pm
Mine is actually a fan I "borrowed"; from an old hair dryer ;) not sure what that makes it though Jamie Check out my CNC projects (and more) at...
41026
frozen chosen
motocycleman56
May 7, 2011 2:10 am
The reason I used the ball valves is that's what I had in my junk box , but if I redo it I will go with a blast gate or butterfly valve. Also I went with two...
41027
Stone Tool
owly055
May 7, 2011 2:32 am
You guys are drawing the wrong conclusion here. a vacuum cleaner is a centrifugal blower, not a positive displacement blower. Blocking either the suction...
41028
Jeshua Lacock
freshjeshua
May 7, 2011 7:32 am
... A light dimmer may be more readily available. A 600-watt light dimmer is available from my local hardware store for $6. I wired one into a receptacle box...
41029
oldstudentmsgt
May 7, 2011 2:17 pm
That won't work for the larger motors, though, Jeshsua. 600watts is about 5 amps, and it's an inductive load, which filament lamps are not. Most shop vacs are...
41030
Ron Thompson
ronthomp2002
May 7, 2011 2:34 pm
... You could use a router speed control. Routers are brushed universal motors just like shop vacs. ...
41031
Jeshua Lacock
freshjeshua
May 7, 2011 11:52 pm
... I have certainly seen higher rated dimmers, but they are less common. Here is a 1500-watt dimmer for $25: ...
41032
frozen chosen
motocycleman56
May 8, 2011 1:17 pm
This discussion on blowers has been very educational ,I will agree that a shop vac is not the most efficient way to go , but hey that's what I had on hand...
41033
Evan Daniel
evan.daniel...
May 8, 2011 3:14 pm
... Depends on the type of motor. Induction motors, split-phase motors, and synchronous motors all care what the frequency is, and run at some fraction of it...
41034
oldstudentmsgt
May 8, 2011 5:22 pm
That is one of those "YMMV" things, Jeshua. It depends on what you have access to, or can afford. In my particular case, I've been unemployed, or seriously...
41035
Stonetool
owly055
May 9, 2011 1:16 am
try looking at automotive stuff......pollution pump for example...a nice little vane blower with a belt pulley....can be picked up from a junk yard pretty...
41036
Jeshua Lacock
freshjeshua
May 9, 2011 6:01 am
... I think most of us here are in the same boat. Being hobbyists we don't have a pile of cash laying around to inject into our hobby. ... A squirrel fan is an...
41037
David
superdave257
May 13, 2011 11:14 pm
for most furnace setups a trip to the local thrift store should allow a person to find a Shop Vac that will provide more than enough air to run the normal...
41038
Lyle
creepinogie
May 18, 2011 5:43 pm
I run two furnaces. One with a router speed control and the other with just a "choke" on the intake side of the blower. Personally, the one with the choke is...
41041
David
superdave257
May 22, 2011 1:22 am
most people don't know that if you take a preferated tube and wrap it with foam rubber or some other sound deadening material that it will quiten down most of...
41042
Inventor
welfab
May 23, 2011 1:10 pm
Hey Guys, After building Jim's furnace, I got the bug and an idea, SO-O-O-O-O! I just had to build a bigger one. http://www.imarketingcenter.com/foundry The...
41043
Dick Morris
rmorris200
May 28, 2011 2:39 am
I thought I remembered seeing a fluffer built using the front gear box from a snow blower. Now that I have a gear box from an old snow blower, an hour of...
41044
wbhinkle@...
hink48
May 28, 2011 3:55 am
I remember that subject. thought it was the business end of a rotortiller? bill hinkle PS: I would like to be refreshed again on the proper goodies needed to...
41045
Ron Thompson
ronthomp2002
May 28, 2011 12:56 pm
... I thought the roto-tiller gearbox was to make a muller. The fluffers I have seen were direct drive on an electric motor. ...
41046
Dick Morris
rmorris200
May 28, 2011 10:43 pm
The one by Jerry Twaddell is the one I was thinking of. Thanks ... Dick Morris Anchorage, Alaska...
41047
Ron Thompson
ronthomp2002
May 30, 2011 4:02 pm
I have a couple of new pages with lots of photos, if you are interested. I wrote the first a while back but never published it for some reason... Eyeballing a...
41048
RG Sparber
rgsparber
May 30, 2011 4:40 pm
Ron, VERY well done! Nice and clear at every step. I had to smile with the second article. Not only did you make a free 90 degrees but you used a Harbor...
41049
Ron Thompson
ronthomp2002
May 30, 2011 4:56 pm
... Thanks, I thought it would show up in the photos better than white paper. -- Ron Thompson On the Beautiful Florida Space Coast, right beside the Kennedy...
41050
fijord2005
May 30, 2011 11:02 pm
...casting aluminum intake manifolds? I have an interest in casting my own aluminum intake manifolds for older V-8 American made engines. a step by step type...
