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vaughn bros.
Samba Member
Joined: October 13, 2003
Posts: 2398
Location: Hickory, NC
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 Posted: Sat Oct 03, 2009 12:48 pm Post subject: Another boring Test Stand thread again for the 100th time |
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Dont laugh too hard.  It will work for what I need it for. It had to be built on a budget so WTF. The tube is .250 wall and the header is .375 wall "C" channel. Its all mig welded and got painted today with some commercial grade galvanized paint. Gonna wire and plumb it maybe tomorrow. |
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Dale M.
Samba Member
Joined: April 12, 2006
Posts: 20807
Location: Just a tiny bit west of Yosemite Valley
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| Posted: Sat Oct 03, 2009 4:24 pm Post subject: |
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Only thing see wrong is no bottom brace on plate.... You are going to have 300 pound bucking and shaking, cantilevered on one single weld.... Structurally its a poor setup... You need a bar from crossbar at top to bottom behind plate belhousing is bolted to....
Dale
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fastinradford
Samba Member
Joined: June 08, 2008
Posts: 2895
Location: Athens Ohio
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| Posted: Sat Oct 03, 2009 4:25 pm Post subject: |
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| seems like an overkill, but looks nice. |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79493
Location: Sneaking up behind you
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| Posted: Sat Oct 03, 2009 4:28 pm Post subject: |
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Must take up a lot of room when not in use.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
עַם יִשְׂרָאֵל חַי |
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vaughn bros.
Samba Member
Joined: October 13, 2003
Posts: 2398
Location: Hickory, NC
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| Posted: Sat Oct 03, 2009 6:45 pm Post subject: |
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| Dale M. wrote: |
Only thing see wrong is no bottom brace on plate.... You are going to have 300 pound bucking and shaking, cantilevered on one single weld.... Structurally its a poor setup... You need a bar from crossbar at top to bottom behind plate belhousing is bolted to....
Dale |
Actually, if you look close at the back side, you will see 1 of 2 large gussets that are also .250 thick. We overlaped the plate onto the header so that gave us a good weld on front top and a good weld on back.
I like your prediction though of bucking and shaking. I will video my first run with it just in case your right. Might be fun to watch a test stand wobble down the drive and into the road. I will post on youtube.
However you will owe me a beer if it is smooth and steady. |
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Vee Dub Nut
Samba Member
Joined: April 25, 2004
Posts: 1196
Location: Dallas, GA
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| Posted: Sat Oct 03, 2009 7:05 pm Post subject: |
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Yea you have a little gusset on there, but you still have a bunch of weight that is cantilevered on that plate. All the gusset did was move the axis down lower. It would be very easy to add another cross bar on the bottom to strengthen it up.
Sure would suck for a newly built engine to hit the floor cause something didn't hold.
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67 Beetle (TBD)
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mharney
Samba Member
Joined: June 01, 2002
Posts: 8353
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| Posted: Sat Oct 03, 2009 7:13 pm Post subject: |
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| Y'all can't touch my wooden engine stand. |
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The Noof
Samba Member
Joined: January 25, 2005
Posts: 4346
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| Posted: Sat Oct 03, 2009 7:16 pm Post subject: |
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| mharney wrote: |
| Y'all can't touch my wooden engine stand. |
Gotta love Tennessee ingenuity  |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79493
Location: Sneaking up behind you
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| Posted: Sat Oct 03, 2009 7:17 pm Post subject: |
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| The Noof wrote: |
| mharney wrote: |
| Y'all can't touch my wooden engine stand. |
Gotta love Tennessee ingenuity |
Made from old Jack Danials barrels.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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mharney
Samba Member
Joined: June 01, 2002
Posts: 8353
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| Posted: Sat Oct 03, 2009 7:17 pm Post subject: |
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It was conceived and built in Kansas, before I moved to TN. Then I made another one when I moved here.  |
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1295
Location: GILROY, CA
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| Posted: Sat Oct 03, 2009 7:36 pm Post subject: |
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My test stand measures torque and RPM. HP can be calculated form the data.
It has two B-17 aircraft generators, which pivot on bearings to apply force to a load cell. It can generate 800 amps at 30 volts, which is 24,000 watts. The load bank can toast a slice of bread measuring 3 feet by 3 feet. It can be used with gas engines or electric motors. My electric car motor in the picture generated 72 foot pounds of torque at 500 amps.
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Last edited by Wayne S. Johnson on Sun Oct 04, 2009 11:59 am; edited 1 time in total |
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koolkarmakombi
Samba Member
Joined: June 26, 2007
Posts: 238
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| Posted: Sat Oct 03, 2009 9:07 pm Post subject: |
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| Wayne S. Johnson wrote: |
| My test stand |
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grimace007
Samba Member
Joined: August 30, 2006
Posts: 2673
Location: swampville, florida
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| Posted: Sun Oct 04, 2009 3:32 am Post subject: |
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did i hear 1.21 jiggawatts?!?!?!
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68 sedan
Dallas Air Coolers
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mharney
Samba Member
Joined: June 01, 2002
Posts: 8353
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| Posted: Sun Oct 04, 2009 8:28 am Post subject: |
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Some folx just have a lot of time on their hands.
Looks awesome Wayne. |
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Max Welton
Samba Member
Joined: May 19, 2003
Posts: 11041
Location: Black Forest, CO
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1295
Location: GILROY, CA
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The Noof
Samba Member
Joined: January 25, 2005
Posts: 4346
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| Posted: Sun Oct 04, 2009 9:32 am Post subject: |
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| Come in,Tokyo... |
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1295
Location: GILROY, CA
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| Posted: Sun Oct 04, 2009 9:48 am Post subject: |
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| Max Welton wrote: |
That is just too cool!
Where on earth did you come up with B17 aircraft generators?
What are you using for the load bank?
Max |
The loads were made with two banks of Nichrome resistance wire; each load consists of 15 wires 12 feet long. Each Nichrome wire is wound into a coil and mounted to two aluminum buss bars. Each load has a resistance of 0.075 ohms, which draws 400 amps at 30 volts. The generators can operate at 1,600 amps (almost 100,000 watts) for a short period of time. The load turns red when operating at full power; it looks like a large heater and heats up the garage in a few minutes.
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Max Welton
Samba Member
Joined: May 19, 2003
Posts: 11041
Location: Black Forest, CO
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1295
Location: GILROY, CA
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