F-104 Starfighter (Full Version)

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Jetset -> F-104 Starfighter (3/1/2002 8:44 AM)

A question for all you F-104 fans out there!:)
I was thinking about possibly scratch building an F-104 in the future. I also thought about building a smaller one first that would take a pusher prop and maybe .40 size engine.

Would a pusher prop version work ok on this plane? I'm trying to think of how big the model would actually have to be in order for the tiny wings to provide the lift neccessary for the plane to take off into the heans rather than bore into the ground :stupid:
I also thought about using a dolly for take-off just so I could keep weight down for this pusher prototype.
What's everyone think? Does this sound do-able?
Thanks!:D
Myles




A104FREAK -> F-104 Starfighter (3/1/2002 9:15 AM)

The CJM, and Avonds 104's are good fliers surprisingly despite their small wings. While like the full scale they do not "turn on a dime" thay both have good stability. The older CJM kits are limited in it's top end speed due to the large intakes, CJM has remedied this some with a newer inlet design to reduced the inlet area, I do not have the experience with the Avonds to comment on it but have seen several fly and they fly well too. I believe J.D. Model products has a smaller 104 but still intended for a dynamax style fan and motor. I don't know how much smaller one could get with a 104 as the room in mine is at an extreme minimum and clearances are pretty tight but it all fits. Good luck in your project and if I can be of any assistance let me know.

Best Regards

Jim O'Connell




Jetset -> F-104 (3/1/2002 9:22 AM)

Hey Jim your planes look awesome man!
Are they CJM kits?
Good job!
Myles




A104FREAK -> F-104 Starfighter (3/1/2002 9:25 AM)

Thank you, Yes both are CJM kits, the red black and yellow is mine built by me and the other is CJM's demo plane.

Jim




TJK -> F-104 Starfighter (3/1/2002 4:51 PM)

I have flown the CJM demo plane. It's comparable in flight to a Yellow A-4 but able to tolerate rougher handling. It's rock solid on the runway, and actualy floats a long way on landing with flaps! The wings span is out-of-scale, but it still looks good and is impressive in person. For the price, the CJM F-104 is a GREAT model to cut some Starfighter teeth!




rcnats -> F-104 (3/1/2002 9:52 PM)

Myles,

I have the JD Models F-104. It can be built either for a pusher or tractor. Right now I plan to put a Rossi 90/Byron fan in it with a trap door for extra air instead of a huge "crater" on the bottom. The inlets are small, wonder what would performance be with a OS 91/Ramtec fan? Stay in touch.

Stan
*rcnats*




rcs1313 -> ITP F-104 (3/2/2002 11:15 PM)

Here is a picture of my ITP F-104 84" long40" wings w/ wing tanks




rcs1313 -> ITP F-104 (3/2/2002 11:18 PM)

Here is another shot of it




GrnBrt -> Re: ITP F-104 (3/3/2002 12:28 AM)

[QUOTE]Originally posted by rcs1313
Here is another shot of it [/QUOTE]

Rod: Nice looking F-104 and love the color scheme. I was at NASA in the early 70's (Edwards) and got to see these chase planes every day and never tired of it. One thing the pilots didn't like about that paint scheme was the bottom. It was a light blue, almost sky blue and they said they almost had more then one mid air when formimg up because thay couldn't see the other plane very well because of that sky blue bottom. I think later on they changed that, but darn they sure did look good.




Vincent -> F-104 (3/3/2002 1:34 AM)

I saw an ITP 104 fly a few years ago, it was a nice flyer. The CJM flys well too. Not sure if anyone has "turbined" one yet. I owned a couple of Avonds 104`s in the past and they fly well too. Its one of my fav jets.

Vin...




rcs1313 -> f-104 (3/3/2002 1:59 AM)

GrnBrt.

They had two versions, the one with the light blue bottom and this one with the all white bottom--per squadron books. I didn't like the light blue look. I have always liked the lines--just one tuff looking jet.

Vincent,

Year before last, someone had a fire orange Avonds one at Superman and it was turbined--went like a streak..........think it had a Ram 750 in it?




GrnBrt -> F-104 Starfighter (3/3/2002 2:11 AM)

I was only familiar with the ones at Edwards and agree that they are sharp looking, especially when doing a low and fast flyby. They had one here at the restoration plant and took a look at it as it was about done and it was Bill Dana's old 104 from Edwards. I talked to the guy that was in charge and I told him he had a couple of things wrong, well that was not a wise remark. He had polished the aluminum in the air intakes to a mirror finish and I said that they were flat black, and he left the LE's unpainted. He thought the polishing looked better but I kind of reminded him that a true restoration is one that copies the original exactly, well that didn't set very well either. :) Oh well it was nice just to see the plane again.




rcjetsaok -> F-104 (3/3/2002 8:27 AM)

Louis makes the 104 look great.. From what i can see & talking to Louis, It is a great flying airplane.. Louis says "it thinks it's a trainer". But don't let the airplane hear you say that!!! :D
All the ones I have seen fly are DF versions.. Make sure you have the O.S. .91 with the "4-bolt main" :D :D ..

TTFN

Dan M. :cool:




f104g -> Re: F-104 Starfighter (4/2/2003 6:20 PM)

[QUOTE]Originally posted by Jetset
A question for all you F-104 fans out there!:)
I was thinking about possibly scratch building an F-104 in the future. I also thought about building a smaller one first that would take a pusher prop and maybe .40 size engine.

Myles
[/QUOTE]

Hi there ... I know this is an old post but ... did you go ahead with your F-104 project? and if so .. how did it fly..?

I was just interested as I am also scratch building an F-104 at the moment.

Turbine and D/F kits are a little out of my price range right now ... but I thought I would have a try at building one anyway.

I have posted a picture with this thread ... I have progressed a lot further than this now... ....

thanks




I-NAV -> F-104 Starfighter (4/2/2003 8:18 PM)

For a bigger F-104 check this out. New German kit due out this summer. I'm bringing one home when I move back. Runways here are too small for this beast.

http://www.jetwelt.de/Modelle/Starfighter/starfighter.html




SJN -> F-104 Starfighter (4/2/2003 10:13 PM)

I-NAV, do you know how much the kit wil cost ?

is it a wood kit, or is it going to be full GFK ?




I-NAV -> F-104 Starfighter (4/2/2003 10:20 PM)

Full glass kit. No clue on the cost but by the looks of the landing gear and brakes it will be pricey unless they have little elves making that stuff.




jimm -> F-104 Starfighter (4/4/2003 1:17 AM)

Here is a F-104 that I have been building form a set of plans from Thorpe Bros. out of England. Can get them from Bob Holman Plans. It is a 45 size DF.

Jim




jimm -> F-104 Starfighter (4/4/2003 1:18 AM)

Here is another.




f104g -> F-104 Starfighter (4/4/2003 4:47 AM)

Hi Jimm,

Your model is looking great ...

tells us a bit more about it ... e.g. I presume you are installing retracts ... ?

what engine do you think you will use etc..... ?

have you had any problems with the plans etc ...

I would be interested in keeping up the your progess on this model and how it flies ...

I'm scratch building an F-104 .. only a small .46 size one ...

kind regards




jimm -> F-104 Starfighter (4/4/2003 6:53 AM)

The model was originaly designed to use a dolly for take off and belly land. There is not much room for retracts. Have been looking at a way to put some kind in it but am not sure yet. Nose gear is no problem but the mains will be. Would not be very scale but the only way I can think of at the moment would be to nestle them up into the root of the wing and have them retract forward and be partly hanging out of the fuse. Have heard of some people using a bungee to launch it mainly to save weight. The other posibility is just to put fixed gear on it.

I got laser cut formers, canopy and foam cores from Bob Holman. Excellent cutting job, fits really well. The only problem I have had so far is running the stringers around the bottom of the inlets going back towards the wing as it is a very sharp bend. The instruction book is pretty vague at times so have had to do some head scratching.

Is set up for a Turbax fan and right now nad I have an old K&B front carb engine in it and had put the project on hold as I was waiting for the .48 to come out. Looks like I may have to go ahead and get the OS 46 for it instead unless the K&B has finally come out. Then will be able to finish routing all the plumbing then can finish the planking. To get it to the stage shown in the pics did not take long at all, probably about a week or so.

Running the cables for the elevator and rudder is pretty tight as it comes into the vertical stab from the fuse. Since it has been sitting for awhile now the plastic housing has finally taken shape and seems to be moving smoother now. Is further along now that what the pics show as I have been planking it.

Have thought about doing a scaled up one and put a Byron fan in it so would not need to worry about how to put retracts in it as there would be no duct work in the way. Have a Rossi 90 and pipe for a Byron fan in the basement. Was looking at CJM's when it first came out when I was at the Jets over the Heartland a few years back. If I did know any better I would think that is what they may have modeled their's after (Thorpe plans) as the dimensions looked about the same just larger.

When I get working on it again will post the progress.

Jim




kristijan-k -> F-104 Starfighter (4/5/2003 3:29 AM)

Hello jimm,

Here below is link to one small video of F-104 model flying.
It is rocket.

http://web.vip.hr/pcb-design.vip/F-104-Speed.zip


How well are Thorpe F-104 plans designed ?
Are they scale or semi-scale ?

Best regards,
Kristijan Kljucaric




Eclipse -> Thorpe F-104 (6/16/2003 9:43 PM)

Hello to all! I was just cruising around looking for a new color scheme for my 104 when I found this thread. I have an old Thorpe F-104 which was scratch build from Thorpe Plans. I acquired it from a friend after it tip stalled on takeoff and it was very badly damaged. I have fixed it and am ready to paint, and look very forward to getting it into the air.

I am trying to decide however between the Turbax KB7.5 combo or a Dynamax and KB.82 that I have sittign here.

You can see it in some of these photos (along with a few other projects)

[URL=http://www.wordmark.ca/doc/tshark/FrameSet.htm]http://www.wordmark.ca/doc/tshark/FrameSet.htm[/URL]

and...

[URL=http://www.wordmark.ca/doc/fleet/]http://www.wordmark.ca/doc/fleet/[/URL]




jugger18 -> Love the 104 (6/16/2003 10:53 PM)

I ahve always been a big fan of the F-104 ever since my father told me stories about it. His godfather was an f-104 pilot who was tragically killed in a crash outside harrisburg Pa due to engine problems(Gen. Bernie Mcentire). I would love to build one but I am just thinking of getting started in DF




f104g -> F-104 Starfighter (6/17/2003 4:58 AM)

aw ..... how disappointing. My scratch built f-104 on page 1 of this thread is'nt working out.

The engine thrust-lines are wrong and therefore it won't track straight on take-off. I have to pull the power-off before it gets anywhere near take-off speed so that it does'nt veer off the strip and damage itself or hurt someone.

I'm having another try with a new scratch-built model and a different approach.




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