AltcarBoB Posted July 14, 2020 Share Posted July 14, 2020 I am building a 1/72 Hudson and I want to make the ASV Yagi (TV) aerials that were carried under the wings. I had hoped to buy some photo etch ones but can't find any, I know Paragon used to make them but can't find any in stock. I need the length of the aerials so I can work out the rest of the dimensions Link to comment Share on other sites More sharing options...
EwenS Posted July 14, 2020 Share Posted July 14, 2020 You might find the info you need in the official manual in the National Australian Archives. https://naa12.naa.gov.au/SearchNRetrieve/Interface/ViewImage.aspx?B=1351313&S=1 1 Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 14, 2020 Author Share Posted July 14, 2020 6 minutes ago, EwenS said: You might find the info you need in the official manual in the National Australian Archives. https://naa12.naa.gov.au/SearchNRetrieve/Interface/ViewImage.aspx?B=1351313&S=1 I have come across this link on Wikipedia and tried to open the file several times but it either won't load or if it loads it won't go past page 1 of 89. ☹️ Thanks for the information though 👍 Link to comment Share on other sites More sharing options...
EwenS Posted July 14, 2020 Share Posted July 14, 2020 I’ve just looked at it and I think there may only be 89 pages in the document. That takes you through chapters 1-8 and all the way to Appendix A. There is some dimensional info in Chapter 6 by aircraft type. Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 14, 2020 Author Share Posted July 14, 2020 It's not opening for me at all now I have tried typing the link into the address bar and that's not loading either. Wonder if it's IP address is limited to Oz. Link to comment Share on other sites More sharing options...
EwenS Posted July 14, 2020 Share Posted July 14, 2020 I’m in Scotland. It did flash a warning tonight about it being an unsafe address and did I want to continue. But I was able to get through that to access it. In on an i-pad using Safari. May be something to do with your settings then. Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 14, 2020 Author Share Posted July 14, 2020 Tried it on a Windows laptop and Android phone doesn't wanna play. Link to comment Share on other sites More sharing options...
Pete M. Posted July 15, 2020 Share Posted July 15, 2020 Works OK here in NZ with a windows desktop...after pushing through the warnings!!! Found much needed info for early radar sets. Be great if you could just download the complete file, but got what I wanted! Muchas gracias to Ewen for the link. Cheers, Pete M. Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 15, 2020 Author Share Posted July 15, 2020 I still can't get in 😣😠 Link to comment Share on other sites More sharing options...
Kari Lumppio Posted July 15, 2020 Share Posted July 15, 2020 7 hours ago, Pete M. said: Works OK here in NZ with a windows desktop...after pushing through the warnings!!! Found much needed info for early radar sets. Be great if you could just download the complete file, but got what I wanted! Hallo! On the "box" right margin where Title and such are the twitter etc symbols are functional. The lowest rightmost "paper sheet" with arrow pointing right produces pdf version of the document. I could not save the pdf, but could print it out as pdf. AltcarBoB. Have You tried the blue NEXT button? On the right margin also. HTH, Kari 1 Link to comment Share on other sites More sharing options...
stevehnz Posted July 15, 2020 Share Posted July 15, 2020 1 hour ago, Kari Lumppio said: I could not save the pdf, but could print it out as pdf. I clicked on the right arrow symbol & it downloaded it direct to my hard drive, 90 pages of PDF. Steve. 1 Link to comment Share on other sites More sharing options...
ClaudioN Posted July 15, 2020 Share Posted July 15, 2020 19 hours ago, AltcarBoB said: I am building a 1/72 Hudson and I want to make the ASV Yagi (TV) aerials that were carried under the wings. I had hoped to buy some photo etch ones but can't find any, I know Paragon used to make them but can't find any in stock. I need the length of the aerials so I can work out the rest of the dimensions The radar frequency is reportedly 176 MHz (see ASV Mk. II), hence wavelength is 1.7 metres. Antenna length should be an integer fraction of this, then actual size can depend on layout, etc. Anyway, you should be safe taking quarter-wavelength (42,7 centimetres) as the minimum step, then work it out from this using phographs. HTH 1 Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 15, 2020 Author Share Posted July 15, 2020 2 hours ago, Kari Lumppio said: Hallo! On the "box" right margin where Title and such are the twitter etc symbols are functional. The lowest rightmost "paper sheet" with arrow pointing right produces pdf version of the document. I could not save the pdf, but could print it out as pdf. AltcarBoB. Have You tried the blue NEXT button? On the right margin also. HTH, Kari I can't get it to open. I did manage to get it to open once but I couldn't get past page 1. I am going to have another go on the laptop I will turn off the security see if that does anything. Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 15, 2020 Author Share Posted July 15, 2020 1 hour ago, ClaudioN said: The radar frequency is reportedly 176 MHz (see ASV Mk. II), hence wavelength is 1.7 metres. Antenna length should be an integer fraction of this, then actual size can depend on layout, etc. Anyway, you should be safe taking quarter-wavelength (42,7 centimetres) as the minimum step, then work it out from this using phographs. HTH Thanks I will try that with some spare bits of scrap plastic to see if a scale 42.7 cm looks right. Link to comment Share on other sites More sharing options...
AltcarBoB Posted July 15, 2020 Author Share Posted July 15, 2020 Well I finally got onto the website and a copy of the pdf file is downloaded and saved. I had to turn off my security to get anywhere. 2 Link to comment Share on other sites More sharing options...
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