RE: Bombarder XFMR

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Loudner, Godfrey by way of Terry Fritz <twftesla-at-qwest-dot-net>" <gloudner-at-SINTE.EDU>


> Hi Kevin
> 
> I think you must have a square core. I'm very curious as to what are the
> dimensions of the core leg, i.e., the dimensions of the leg that holds the
> coils.
> 
> The one on ebay sold for over $600 and it was brand new. Transformers are
> more efficient at 400 Hz.
> 
> Godfrey Loudner
> 
> 	-----Original Message-----
> 	From:	Tesla list [SMTP:tesla-at-pupman-dot-com]
> 	Sent:	Wednesday, November 07, 2001 9:01 AM
> 	To:	tesla-at-pupman-dot-com
> 	Subject:	RE: Bombarder XFMR
> 
> 	Original poster: "MakingLightning by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <makinglightning-at-home-dot-com>
> 
> 	Well, I don't think it would be as robust as a PIG because it is not
> 	immersed in oil and I also believe that pigs take real lightning
> hits at
> 	times and survive. I don't think the neon shops hit their bombarders
> with as
> 	much nasty stuff as the pole pigs do.
> 	It is a Voltarc-Hyde model SP.BOMB       is this company still in
> business?
> 	240V 32A
> 	30KV 250 Ma
> 	7.5 kva
> 	The core measures 20x11x5, it has 2 secondary windings that are 10x5
> each,
> 	the overall size is 20x14x10.
> 	It has a variable slide choke that is 16x5.5 and weighs a ton.
> 	The bombarder is in open air. It has 2 big windings on it that are
> wound
> 	over the primary. I had a friend that had a neon business that went
> under
> 	and I got it from him for $200! I would guess it to weigh a few
> hundred
> 	pounds.
> 	No, I did not get this off of EBAY, but I think I do recall seeing
> one just
> 	like it on there. I wonder what it went for?
> 	I am sure if you buy one now new it is a fortune and you could get a
> pig
> 	cheaper. I always wondered why a neon shop would not rather have a
> pole pig.
> 	Does anyone think I need to do anything more than put on an over
> voltage gap
> 	for it? Has anyone ever used a transformer like this with a Tesla
> coil
> 	before?
> 	Does anyone know if this type of transformer will run fine on 400
> hz?
> 
> 
> 	Kevin
> 
> 	-----Original Message-----
> 	From: Tesla list [mailto:tesla-at-pupman-dot-com]
> 	Sent: Tuesday, November 06, 2001 1:37 PM
> 	To: tesla-at-pupman-dot-com
> 	Subject: Re: Bombarder XFMR
> 
> 	Original poster: "Jason by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> 	<jasonp-at-btinternet-dot-com>
> 
> 	Kevin,
> 
> 	Variable bombarder transformers are very useful and like gold dust.
> Their
> 	high voltage and lower power rating compared to pigs makes them
> ideal for TC
> 	use. Yes, running it off 120V will give you a perfect power supply
> for a TC.
> 	One thing though, a bombarder transformer IS a pig, with a ballast
> and a
> 	label stuck on it. dont pay extra for a bombarder over a pig unless
> it has
> 	current limiting or a much higher voltage output than the pig.
> 
> 	Kindest regards,
> 	Jason
> 	----- Original Message -----
> 	From: "Tesla list" <tesla-at-pupman-dot-com>
> 	To: <tesla-at-pupman-dot-com>
> 	Sent: Monday, November 05, 2001 2:54 PM
> 	Subject: Bombarder XFMR
> 
> 
> 	> Original poster: "MakingLightning by way of Terry Fritz
> 	<twftesla-at-qwest-dot-net>" <makinglightning-at-home-dot-com>
> 	>
> 	>
> 	>
> 	> I have a thing called a bombarder transformer. It was used in a
> neon shop.
> 	> It is an open air transformer that is rated at 7.5 KW 30KV. It is
> used
> 	with
> 	> a variable slide type choke.
> 	>
> 	> I was thinking of only putting 120v on the primary and only
> getting 15kv
> 	out
> 	> and using that with a cap that I already own for that voltage. If
> I ran it
> 	> at 30kv, I would have to invest in a new cap. I plan on using this
> on an
> 	8"
> 	> coil.
> 	>
> 	> Is anyone on the list familiar with this type of a transformer? Is
> it
> 	> temperamental and prone to self destruction like a neon
> transformer, or is
> 	> it more robust and not need much protection?
> 	>
> 	> Thanks for input if you have it,
> 	> Kevin
> 	>
> 	>
> 	>
> 	>
> 	>
> 
>