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Scratch building a Sternantenne (German star antenna)

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  • Member since
    January 2017
  • From: United States
Scratch building a Sternantenne (German star antenna)
Posted by Engine_95 on Monday, January 23, 2017 10:50 PM

With only two more parts kits left to order to get all the pieces needed for assembling my Tamiya 1:35 Panther Ausf. D, I've run into a bit of a road block.  It seems that Tasca no longer makes the German Star Antenna set.  So I can't build my Befehlswagen from I./Pz.Rgt. 4 without scratch building the star antenna (or Sternantenne for the FuG 8 radio).

I have some ideas on how I might achieve the antenna build, but I'm open to suggestions.  I plan on using guitar string for the aerial and the radial elements on the Sternantenne.  I don't know what string gauge I'll use yet.  Have to see how they look when I get the model in hand.

The first question that comes up is what lengths should they be?  I've determined that the radial elements should be at 50° off horizontal.  And I understand that a pretty standard length for German aerials was either 2m or 1.4m.  But how long should the six radial elements be?  And what length on the central aerial?

Here's the plan for the assembly.  And again, I'm open to better ideas here.  I'm going to print an open top cone on the 3D printer with six evenly spaced grooves along the inside to hold the guitar strings in place.  Line up all the ends and then drop a blob of solder on there to hold them together.  Next, use a fine file to clean up the solder ball and flatten out the bottom.  Then I'm going to solder the central aerial to the bottom of the blob.

Is this going to work?  I honestly have no clue.  Thoughts?  Suggestions?

F.D.N.Y. Box 55-8087
In Memory of Brothers in Battle

  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Monday, January 23, 2017 11:13 PM

Perhaps somebody here has the Tasca antenna in their stash or built already and can measure the elements, then let you know the results.

As a side note, didn't Tasca change names to Asuka and perhaps the item is now still available under the new name label?

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    January 2017
  • From: United States
Posted by Engine_95 on Monday, January 23, 2017 11:16 PM

Good question stikpusher.  I'm getting back into building after several decades so I'm kind of out of the loop when it comes to brand names.  I'll exercise my Google-fu and see what I can find.  Thanks!

Looks like no dice stikpusher.  I'm pretty confident I found Asuka's online shop and both the German Star Antenna kits are marked as sold out.  Did Asuka buy Tasca or did Tasca restructure and rename itself?  Makes me wonder if maybe Asuka is moving some of Tasca's production molds to their manufacturing facility?

F.D.N.Y. Box 55-8087
In Memory of Brothers in Battle

  • Member since
    December 2012
Posted by Ixion on Monday, January 23, 2017 11:56 PM
  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Tuesday, January 24, 2017 12:28 AM

I don't know the reason for the company name change, only that it happened. After I posted my reply I went and checked their "new" renamed site and saw that the item was sold out. I then went to the old stand by of eBay and typed in "1/35 star antenna". There are a few other floating around out there besides the Tasca/Asuka product. I do remember that once upin a time Dragon/DML made one as well. Good luck on your search or scratching up one. Soldering is not one of my strong points so if you go that route I am most curious to see your work and learn.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    December 2002
  • From: Bury St Edmunds, Suffolk, England
Posted by Bish on Tuesday, January 24, 2017 2:20 AM

I have several built kits at home with Star Anetnna's fitted, so if you wish i can measure those. But Armorscale have a rather nice set. It comes with a 2m, 1.4m and the star antenna. The central rod is a 1.4m. I have several of these as well as the RBmodel 1.4 and 2m antenna's and really like them.

http://www.armorscale.com/products/supplements/S35-006/

 

I am not expert, but would not a guitar string be to flexable and is it tapered.

 

I am a Norfolk man and i glory in being so

 

On the bench: Airfix 1/72nd Harrier GR.3/Fujimi 1/72nd Ju 87D-3

  • Member since
    January 2017
  • From: United States
Posted by Engine_95 on Tuesday, January 24, 2017 8:36 AM

Ixion, Stikpusher, and Bish . . . you gentlemen are outstanding.  I really appreciate all the help everyone here has given while I'm getting back into the game.

So I may end up going ahead and trying to scratch build the Sternantenne.  I've got plenty of guitar string to try with.  To answer your question Bish, yes guitar string is flexible but it will return to shape unless you put some decent force into the bend.  They're typically a steel alloy.  I used them as a kid for antenna since my older brother played guitar and I started playing when I was 14.  And no, they are not tapered.

F.D.N.Y. Box 55-8087
In Memory of Brothers in Battle

  • Member since
    December 2002
  • From: Bury St Edmunds, Suffolk, England
Posted by Bish on Tuesday, January 24, 2017 12:06 PM

Took some measurments of the radial part from several sets. The Dragon ones on my 251/6 are 30mm. Either they are over sized or its because they are on an 8m mast. i always thought they were a bit big. The ones on my AFV 251/3, i think there own antenna, are 15mm. The armoscale ones are 17mm. I would go with the latter 2.

I am a Norfolk man and i glory in being so

 

On the bench: Airfix 1/72nd Harrier GR.3/Fujimi 1/72nd Ju 87D-3

  • Member since
    January 2017
  • From: United States
Posted by Engine_95 on Tuesday, January 24, 2017 2:33 PM

If the training manuals that Ixion's link referenced are correct, the actual FuG 8 elements were 60cm.  Which works out to roughly 17mm so you're right that the last two are closer to actual specs.

F.D.N.Y. Box 55-8087
In Memory of Brothers in Battle

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