CRye - I saw a F-104 at Warbirds Over the Rockies last weekend that was approx 15ft long and I was told it is 50 lbs. The scale detail was excellent. I am scratch building a F-94C that is 1/6.4 scale, 82" long and dry it is 20.6 lbs. I used some building ideas that I think helped keep the weight down. You can see my build on my web site:
http://www.sidgates.us/HOBBIES/F-94C/F94C%20PROJECT.htm
Ron Schwarzkopf from Ft. Worth has a 1/6( approx.) scale F-106 which he has flown for several years.