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4hv.org :: Forums :: Tesla Coils
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The Hammertone T-BRISG V-Twin (move over, Orange county)

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Finn Hammer
Tue Dec 02 2008, 08:13PM Print
Finn Hammer Registered Member #205 Joined: Sat Feb 18 2006, 11:59AM
Location: Skørping, Denmark
Posts: 741
Hi All,

A couple pics of a new coil I am current building:

Here are a couple key parts:

1228248387 205 FT0 Stumper

There are some really cool side covers coming, they are out for CNC engraving at Daniel`s woik.
And ofcourse guts and paint job still missing. Guts will be dual triggered BRISG, as subject sayz.
Put together all I wonder, does it look like a real nice long stroke V_Twin engine or a high voltage transformer, or do you have me figured?

1228248308 205 FT0 Vtvin

Coz, this is what _I_ see:

1228248364 205 FT0 Chopper


Cheers, Finn Hammer
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Dr. Drone
Tue Dec 02 2008, 08:42PM
Dr. Drone Registered Member #290 Joined: Mon Mar 06 2006, 08:24PM
Location:
Posts: 1673
shades
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rp181
Tue Dec 02 2008, 11:23PM
rp181 Registered Member #1062 Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
Lol dr.spark, every chance you get to show off =)

@finn
Thats awesome. Do those orange things cover the secondary (what are they?) Also, it looks slanted, is the left one shorter?
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Andyman
Tue Dec 02 2008, 11:43PM
Andyman Registered Member #1083 Joined: Mon Oct 29 2007, 06:16PM
Location: Upland, California
Posts: 256
Well, showing off for Chris is more like him doing us a favor and posting free eye candy :P I'm glad he does

Anyways, from what I can tell, those are actually the secondary formers. You can see at the base of either the ridges are in the process of being sanded down. But you're right, they do look a bit sideways mounted on that hub.
Those things look AWESOME! Where did you get those, or what were they used for???
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Dr. Drone
Wed Dec 03 2008, 01:02AM
Dr. Drone Registered Member #290 Joined: Mon Mar 06 2006, 08:24PM
Location:
Posts: 1673
shades
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Finn Hammer
Wed Dec 03 2008, 06:01PM
Finn Hammer Registered Member #205 Joined: Sat Feb 18 2006, 11:59AM
Location: Skørping, Denmark
Posts: 741
All,

The material for the orange pipes are "Ultra" sewer pipe. The ribs are removed on the lower half for the sake of looking like cylinders on vintage combustion engines like:
Link2
Link2
Link2
and of course:
Link2
It is a concept coil. The secondary coils are fitted inside this shell.
I did not make it a 45 deg V-Twin like harley and others, but stuck with the classic european 90 degree V-Twin.
Not so much to spite the harley, -it sure has it`s moments
Link2
but it would make the sparklength too short.
And this is about sparks, after all. And not the ones exiting the tailpipes of a maladjusted chopper. ;.)

The whole structure is rotated slightly around the crankshaft axis to simulate the looks of the Ducati:
Link2
But this was a mistake, really.
The "engine mounts" on the one side got flipped, when I welded the plastic bosses into the crankcase, and I didn`t notice it before taking the picture.
They will be reversed in due course.
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Arcstarter
Wed Dec 03 2008, 06:08PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Looks great!
This is a rather unique project, this is one coil you would want to show the.... everybody. cheesey

But one thing.. How the heck are you going to wind the coil with it being ribbed?
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Tom540
Wed Dec 03 2008, 07:27PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
rp181 wrote ...

Lol dr.spark, every chance you get to show off =)

@finn
Thats awesome. Do those orange things cover the secondary (what are they?) Also, it looks slanted, is the left one shorter?

I was going to say the same thing. Haha

Finn,

Looks good what happens if the left coil wants to arc to ground instead of the right coil?
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aonomus
Wed Dec 03 2008, 09:03PM
aonomus Registered Member #1497 Joined: Thu May 22 2008, 05:24AM
Location: Toronto, Ontario, Canada
Posts: 801
And on a similar note, what happens if the torroid of one coil arcs to the secondary of the other, or the two bases of the secondaries start arcing between each other...
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Dr. Drone
Wed Dec 03 2008, 09:15PM
Dr. Drone Registered Member #290 Joined: Mon Mar 06 2006, 08:24PM
Location:
Posts: 1673
shades
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