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madmark1 Profile
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Accomplished DX-er

Registered: 10-2009
Location: Abertillery
Posts: 454
Karma: 9 (+9/-0)
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Re: Sirio 827


Interesting Link Craig.

Ive got some steel angle and steel tubes here plus a Mig welder so i shall knock one up and save a few quid.


Mark

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http://www.youtube.com/MrMadjones

http://gw0wvl.weebly.com/
7/Mar/2012, 7:49 pm Link to this post Send Email to madmark1   Send PM to madmark1 Blog
 
Hot Fusion Profile
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Registered: 03-2008
Location: South West England
Posts: 1389
Karma: 7 (+7/-0)
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Re: Sirio 827


Absolutely bloody brilliant, if I may say so!

I bet that one got a few enquiries at the window!

---
Andy - FB107
8/Mar/2012, 9:45 pm Link to this post Send Email to Hot Fusion   Send PM to Hot Fusion
 
Nik Gnashers Profile
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Freebander

Registered: 12-2011
Location: Midlands, UK
Posts: 68
Karma: 2 (+2/-0)
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Re: Sirio 827


I also bought a drive-on mount from the same bloke last year, and can confirm Big Mart is a very good fabricator, and a very friendly and genuine bloke as well.
The one I got was his most 'heavy duty' mount, and was extremely sturdy.

Image

Image

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26CT573 & 26FB973
Kenwood TS50s / RM KL500 / Vortex 11m yagi
www.wingchunfreestyle.co.uk
9/Mar/2012, 9:05 am Link to this post Send Email to Nik Gnashers   Send PM to Nik Gnashers Blog
 
Kaosss Profile
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Registered: 04-2008
Location: County of Flintshire, N. Wales
Posts: 1890
Karma: 10 (+10/-0)
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Re: Sirio 827


Haha, got to laugh when I look at the pics, you are a mad bunch to be fair, but I`m no better lol.
Al

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Al -163FB777 - N.Wales, UK
Kenwood TS-480SAT, TS590, MC-90, Yaesu FT1000D, FT2000D,RCI 2995dx, Heil 781, 5 eli beam, F/S G5RV, K40 when mobile, A99 for portable. Optima V3,Portapack. RM KL500-modded, PMR`s.Ranger 1k Amp
10/Mar/2012, 5:41 pm Link to this post Send Email to Kaosss   Send PM to Kaosss Blog
 
13FB006 Profile
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Freebander

Registered: 07-2013
Location: Germany
Posts: 13
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Re: Sirio 827


Nik Gnashers nice work! I have a Military Antenna Tower with 11 Meter length. Very easy only 6 kg

Ideal for 5/8 oder 3-4 Element Beam / Quad



Next Time better Video. I'm waiting for better DX Weather.

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http://www.hamqsl.com/solar101vhf.php

23/Aug/2013, 6:23 am Link to this post Send Email to 13FB006   Send PM to 13FB006 Blog
 
Farmer Richard Profile
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Registered: 05-2013
Posts: 12
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Re: Sirio 827


I've just ordered Big Marts elevated mast tilt bracket to put my 827 up on. Intending to fit three 20ft ally scaffold poles together with 3 guy points.
I will post pics of the project if anyone's interested.
Raising and lowering should prove tricky. Ideas guys? emoticon
15/Nov/2013, 4:04 pm Link to this post Send Email to Farmer Richard   Send PM to Farmer Richard Blog
 
pathfinder12830 Profile
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New Kid On The Block

Registered: 10-2013
Posts: 5
Karma: 0 (+0/-0)
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Re: Sirio 827


Richard,

One idea I have (but I think 3 x 20ft tubes will be too much in terms of flex)is to have a horizontal tube welded on to the tube base at 90 degrees in front. This will allow a smaller tube to be inserted into this (bolted in like the main mast), that will project parallel with the ground when the mast is vertical, and , pivot to vertical allowing the mast to be tilted back parallel to the ground,(think of a right angled set square with the 30/60/90 degree corners, with the 90deg corner being the pivot)

Considerations on this method is that a suitable quality rope or wire harness is essential between the top of the mast and the parallel pole (forms the triangle)to which underneath a pulley system (large purchase ratio)is added.

Raise and lowering: mast horizontal with antenna attached, pole in vertical position, pulley blocks at other end sufficiently forward of mast base to allow purchase.

Purchase in / out pulls vertical pole over towards ground / vertical thereby raising / lowering mast. An A frame arrangement can be used in lieu of a single pole, more complicated to setup and arrange but would allow longer pole to be pivoted. I don't think it would cope with 3x20ft sections though..

Maybe this will give you an idea to work from? Hope it helps anyway. Don't blame me though if it falls down, i'm no engineer!





Last edited by pathfinder12830, 15/Nov/2013, 9:37 pm
15/Nov/2013, 9:21 pm Link to this post Send Email to pathfinder12830   Send PM to pathfinder12830 Blog
 
pathfinder12830 Profile
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New Kid On The Block

Registered: 10-2013
Posts: 5
Karma: 0 (+0/-0)
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Re: Sirio 827


Both these portable set ups are impressive and show dedication. In the case of the 827, I would imagine it takes a while to set that antenna up with all the radials. Looks the business though and no-doubt works the dx too.

I'm keen to know how much benefit there is running with this portable arrangement over say a quality sirio mobile antenna that is say mag mounted, same rig & amp.

Last edited by pathfinder12830, 15/Nov/2013, 9:38 pm
15/Nov/2013, 9:31 pm Link to this post Send Email to pathfinder12830   Send PM to pathfinder12830 Blog
 
Farmer Richard Profile
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Freebander

Registered: 05-2013
Posts: 12
Karma: 0 (+0/-0)
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Re: Sirio 827


I think that's a great idea Pathfinder.
Talking it through with my mate who is a dab hand at this sort of thing tomorrow.
Cheers,
Richard. emoticon
18/Nov/2013, 7:07 pm Link to this post Send Email to Farmer Richard   Send PM to Farmer Richard Blog
 


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