[Moon] [Moon-net] Fw: Prime focus extention calculation
ingolf.fhz at gmail.com
Sat Nov 1 17:18:27 CET 2008
You can find a small Dish.EXE file on my home page
under "Engineering". It runs in a DOS-window under at least up XP.
Don't know about Vista...
With that you can calculate the complete profile for the dish for the
f/D you like.
It is a very simplistic piece of S/W.
73 / Ingolf, SM6FHZ
2008/11/1, Walter Crauwels ON4BCB <on4bcb at skynet.be>:
> ----- Original Message -----
> From: Walter Crauwels
> To: moon at moonbounce.info
> Cc: moon-net at list-serv.davidv.net
> Sent: Saturday, November 01, 2008 12:04 PM
> Subject: Prime focus extention calculation
> No this is not about extention of...
> Like we all ever received some spam mail !!! but:
> I have an excisting prime focus F/D 0.4 which i would like to
> extend to an F/D 0.35
> In order not to reinvent "the wheel" ,I was wondering if someone has made an excell sheet to calculate the dimensions of the parabolic with respect to the
> excisting dimensions for an F/D of 0.4
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