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Anyone ever use stacked V-quads? what would be the benefits

G GOLLY WAlly

WDX 719 / Waldo on AM
Mar 4, 2018
441
1,206
153
54
Sourh Eastern Oklahoma
I have a V-quad, and I can't complain about it I think it's a decent little beam, made a lot of contacts on SSB with it. I was thinking sometime in the future of buying another and running stacked V-quads. Might not be a big time setup, but it would look big time. My wife has already started grumbaling about it, so I know her thoughts about it. :D Just wondering what y'all think?
 
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Slowmover

Supporting Member
Feb 17, 2015
5,290
8,385
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Where the West Begins.
It won’t be a StarGun
A little ol’ smoothbore

But it might qualify as The StarCannon
A Missouri-Class 16”/50 Mark 7

Just show her the paperwork for the FAA permit approval for towers of that height. Rotating beacons, and all. Someone here may have gone through that already.

And the third home mortgage.

But, . . you're on your own explaining how the second one came about

.
 
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G GOLLY WAlly

WDX 719 / Waldo on AM
Mar 4, 2018
441
1,206
153
54
Sourh Eastern Oklahoma
After waking and looking at the thread, I realized I should have stated I wanted to know if there were any benefits of running stacked V-quads, not if I should run them.
Because I'm probably going to run a stacked set of them just out of curiosity.
I was just wondering if anyone had run a stacked setup like this and what the results were or what you think the results would be.
I apologize, I guess that's what happens when you stay up past your bedtime and browse WWDX.:whistle:
 

Slowmover

Supporting Member
Feb 17, 2015
5,290
8,385
573
Where the West Begins.
After waking and looking at the thread, I realized I should have stated I wanted to know if there were any benefits of running stacked V-quads, not if I should run them.
Because I'm probably going to run a stacked set of them just out of curiosity.
I was just wondering if anyone had run a stacked setup like this and what the results were or what you think the results would be.
I apologize, I guess that's what happens when you stay up past your bedtime and browse WWDX.:whistle:

Adequate explanation for 98.7% of my posts

.
 

Captain Kilowatt

Professional Amateur
Staff member
Apr 6, 2005
16,732
10,715
823
58
Nova Scotia,Canada
If EVERYTHING is done PROPERLY you can expect to see a 3dB improvement or about half an S-unit on both RX and TX. Simply using a larger beam will accomplish the same thing and you will have less wind load and less electrical and structural issues to deal with. Stacking is a lot of mechanical effort for a small return. Your call.
 

G GOLLY WAlly

WDX 719 / Waldo on AM
Mar 4, 2018
441
1,206
153
54
Sourh Eastern Oklahoma
If EVERYTHING is done PROPERLY you can expect to see a 3dB improvement or about half an S-unit on both RX and TX. Simply using a larger beam will accomplish the same thing and you will have less wind load and less electrical and structural issues to deal with. Stacking is a lot of mechanical effort for a small return. Your call.
Thanks Captain Kilowatt, you're right, after I read your reply I did some quick checking and found for just a little more money I could buy the Gizmotchy 4 element and probably get a lot more for my money.
But that's what I was looking for an honest opinion, a new beam is sometime in the future, but you made me realize for the money I think a bigger beam would be the better choice.
 

kopcicle

Sr. Member
Feb 17, 2016
2,039
3,215
273
If EVERYTHING is done PROPERLY you can expect to see a 3dB improvement or about half an S-unit on both RX and TX. Simply using a larger beam will accomplish the same thing and you will have less wind load and less electrical and structural issues to deal with. Stacking is a lot of mechanical effort for a small return. Your call.
Benefit increases with frequency
 
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Mudfoot

Elmer
Jun 17, 2009
10,870
6,162
698
60
Southeast Ohio
I ran a single V-quad years ago. It did alright. I only seen 2 of them stacked in my area. They are fairly cheap beams that perform decently. They are odd looking, especially in the vertical position. They look better stacked and in my opinion, it causes less stress on the rotor, especially a TV rotor. In the vertical position, all the weight is on one side and not equal. If stacked, I suppose it would distribute the weight equally. Probably not a problem with a "real" rotor.

I'm getting ready to put up another one. I wouldn't have room to stack one, though. Just like before, I'm only doing it to be able to talk to couple dudes that are on the fringe of my receive. I need the extra oomph over my Gainmaster. I'd prefer a larger single beam. I've never been interested in stacking anything. To much hassle. I'd have no problem stacking V/U stuff, though.
 
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Mudfoot

Elmer
Jun 17, 2009
10,870
6,162
698
60
Southeast Ohio
One advantage the V Quad has over similar gain yagis and other traditional quads, is no elements are below the rotor. Yagis have 7' ish elements that hang down when vertical. The V Quad, when vertically polarized, has an L shaped configuration, so nothing is below the rotor. This feature is what's required at my QTH.

No matter the polarity, they are an awkward antenna to put up. Horizontal is easier than vertical. Mounting vertically, is more difficult due to the one sided loppy weight. At least this time I'll be able to tweak the gamma, cause I'll be able to straddle the roof peak. Hard to do on a traditional tower mount, like my last one was. They aren't very broadband, either.
 
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BJ radionut

Supporting Member and 6m addict
May 9, 2008
3,849
4,267
373
35 miles East of Indianapolis
Never had the desire to take a Big Ass Yagi beam and run it Vertical.
Most manufacturers when they give you "wind load" and wind survival rating are giving that the antenna is in the Horizontal configuration.
You rotate that beam Vertical and that stress load becomes a 2x or 3x+ load factor.
Good example: Take a 30 gal. garbage can lid, hold it by the handle above your head then walk out in the clear from your house with 15-20 mph wind.
Not much trouble holding on to it.
Now turn it Vertical and face that lid into the wind...that's the mechanical EXTRA stress you put on the antenna, the Mast/Tower and the Rotor...
RIP $$$
Enuf said:ROFLMAO:
All the Best
Gary
 

2RT307

Sr. Member
Nov 22, 2011
2,324
788
223
Texas
I had a friend back in the 70's that ran them stacked. According to him, the rear rejection was better than his Moonraker IV. Also, there's a thread on here somewhere from years ago... one of the Needlebender guys in Canada stacked 4 of them on a truss setup. Pretty crazy. Unfortunately, he passed away shortly after finishing the project.

73,
Brett
 
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Slowmover

Supporting Member
Feb 17, 2015
5,290
8,385
573
Where the West Begins.
I had a friend back in the 70's that ran them stacked. According to him, the rear rejection was better than his Moonraker IV. Also, there's a thread on here somewhere from years ago... one of the Needlebender guys in Canada stacked 4 of them on a truss setup. Pretty crazy. Unfortunately, he passed away shortly after finishing the project.

73,
Brett

Well, we know what done him in.

.
 

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  • @ ButtFuzz:
    on the connector with the green wire, if you short that to a nearby black wire, the power supply will turn on. (for use as a bench supply or whatever)
  • @ ButtFuzz:
    And IIRC, the purple wire is -12VDC, but that is from memory and it does not serve.
  • @ ButtFuzz:
    So if you need, say, 7v, connect + to the Yellow wire and - to the Red wire.
  • @ ButtFuzz:
    or or you need 9v connect + to the yellow wire and - to the orange wire. note: not all PSU's have the orange wire nowadays, as many manufactures had the voltage regulation on the motherboard, and all the power supply gives is 12 vdc
  • @ BJ radionut:
    Thanks ROB will check it out!~!! got to clean the work bench a little make room for that big case :)