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Author Topic: 8" F-16 CatJet Build  (Read 1608 times)
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OZPAF
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« Reply #25 on: June 18, 2019, 04:44:23 AM »

Well done thread Tony.

John
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FLYACE1946
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« Reply #26 on: July 01, 2019, 11:07:52 PM »

How high does the F-16 go on the high power, high angle launch ? I hope you know I try to copy the same way you fly.
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tross
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« Reply #27 on: July 06, 2019, 10:00:55 AM »

I'm not really sure to be honest.
I do know the heavier model I've been flying gets a little higher.
It's wearing me out. The glide angle improved with the higher speed and less flap set up
and it flies away in a hurry.
More walking. Roll Eyes
I suppose that's good for the heart but bad for the toes.
It's hung up in a tree right now. Maybe the wind will blow it down.

Tony
Attached files Thumbnail(s):
Re: 8" F-16 CatJet Build
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
OZPAF
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« Reply #28 on: July 06, 2019, 08:21:34 PM »

Bad for the toes? Smiley Smiley

John
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tross
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« Reply #29 on: July 07, 2019, 07:10:09 PM »

Toes. Grin Smiley Cheesy Grin
I've been trying out a more circular glide trim. Cool
The turn=drag and duration takes a little hit but there's less walking and more flying. Cheesy
There's a 35 second flight in here so it's not all bad... Shocked

https://youtu.be/uCjJ6noMnGk

T
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
MKelly
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« Reply #30 on: July 07, 2019, 10:08:26 PM »

Great flights Tony!  I had everything cut out Monday morning, then I crashed the Waco and spent the week rebuilding it.  Look forward to getting this one in the air.

Mike
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FLYACE1946
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« Reply #31 on: July 07, 2019, 10:31:22 PM »

This flying is looking really swell. Anything that saves a few steps is really fine unless the circle is way too small and that hurts the duration. I think this F-16 has the h stab tips down as the plan shows.

Looks better all the time.
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OZPAF
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« Reply #32 on: July 08, 2019, 05:21:59 AM »

Well that will really help the toes Cheesy You have that well sorted Tony - very consistent transitions as well. It's a winner.

John
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tross
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« Reply #33 on: July 09, 2019, 09:49:18 AM »

I wouldn't go that far John but I appreciate it. Smiley
The jet is fun to fly but I don't know that it's ever really sorted.

That is the scale stab set up FLYACE1946 good eye.
I think what you're doing with the tissue skin will have a much better look than this paint I've been hacking away at.

After watching some of those MKelly videos I know it's in good hands.
I had to put my YT like button in a bucket of water to cool off. Grin Smiley Cheesy Grin

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
MKelly
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« Reply #34 on: August 12, 2019, 04:59:39 PM »

Tony,

I finally finished up all my repairs from Geneseo and got started on the F-16.  The wood is beautiful, subassemblies went together well.  Spent an hour or two sanding and taped the subassemblies together to see how they fit - everything is clean and tight!  The woodwork is now out in the garage letting the sanding sealer dry while I'm in here working up some graphics.

Allen got some launches in with his Thunderbird F-16 on Saturday - it was very windy but by the end of the session he was getting some nice flights.  Look forward to getting this one in the air.

Mike
Attached files Thumbnail(s):
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
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OZPAF
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« Reply #35 on: August 12, 2019, 08:07:30 PM »

You've put some work into that design Tony - Mike's bare wood shots show the grain selections very well.
It looks great Mike. I didn't realise that you were a Duco user!.

Happy flying
John
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tross
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« Reply #36 on: August 12, 2019, 09:55:35 PM »

It's certainly humbling to watch your work Mike.
Your builds are very clean.
I'm glad it didn't give you to much trouble.

FLYACE1946 mentioned he was getting some time in.
Thanks for the updates. It's fun to follow along. Smiley

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
MKelly
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« Reply #37 on: August 13, 2019, 11:54:50 PM »

Thanks John and Tony, it's coming together nicely.  John, I still use Titebond II for built-up structure assembly, but I've really come to like Duco for assembling doped components and sheet parts.

Got the beast covered today.  Printed one of the Belgian Tiger Meet schemes on some old bug-eaten yellow Esaki, used colored pencils to whiten up the Tiger's face on the tail and blacken out some of the artifacts from scaling the graphic to match the airframe.  I tried something different for attaching the tissue.  I sprayed the back of the tissue with Krylon Easy-Tack repositionable adhesive, then smoothed the tissue over the sealed and sanded fuselage.  This worked really well - it was easy to get the tissue lined up, and much more forgiving than glue stick.  Once the tissue was lined up, smoothed down and trimmed I sealed the edges with UHU glue stick.

With the fuselage covered I glued in the horizontal structure, let that dry, then sanded all the joints smooth and applied the rest of the tissue.  Weight at this point is about 7.2g, with final coat of dope and balance weight still to add.

Sure builds into a pretty airplane, hope the tiger motif doesn't make it disappear in the dry Texas grass...

Mike
Attached files Thumbnail(s):
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
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tross
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« Reply #38 on: August 14, 2019, 05:29:28 PM »

Well it does when you build it for sure! Shocked Shocked Shocked

I only flew one close to that weight (7.9) and it was a hoot.
The plane in reply #29 was a 6.8

The graphics are insane.
Very cool.
Thanks for the adhesive spray tip. Smiley

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
MKelly
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« Reply #39 on: August 14, 2019, 07:44:33 PM »

Thanks Tony.  It came out at 8.3g after a coat of Aerogloss clear and some balance weight.  I did some test glides in the front yard - a little twitchy but after dropping the flaps a bit it started gliding nicely. Hope to take it to the field this Friday.

Thanks again for the kit!

Mike
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OZPAF
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« Reply #40 on: August 15, 2019, 02:51:58 AM »

Incredible Mike! You do realise this is a CLG Cheesy

That is a neat tip re the repositional contact cement! It's a net way to finish over a sheeted balsa structure.

Watch out for the hunters in the tall grass,

John
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MKelly
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« Reply #41 on: August 15, 2019, 09:45:25 AM »

Thanks John.  For future builds I'm going to put the printed tissue on a frame and shrink it again before spraying on the glue and applying it to the model - I got some surface texture (small puckers) in the printed areas that didn't burnish down or shrink out when I doped the model.  It's only evident when you hold the model in your hands and look at it, but that's no reason not to take the extra step to avoid it...

Mike
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MKelly
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« Reply #42 on: August 17, 2019, 07:46:42 PM »

Allen and I had a good time flying the F-16s yesterday morning - video at:  https://www.youtube.com/watch?v=sQhaFyAdBEI

I put around 80 flights on the model.  Other than losing a missile rail in the grass while experimenting with launch angles (completely my fault) the model held up very well.  Best flights were 26 and 30 seconds, average flights were more like 10-15 seconds.  I don't think I ever really got the transition nailed, and glide showed a narrow range between stalling or spiraling in, but I had a lot of fun experimenting with cg and flap angles and got some quite satisfying flights.  Allen's model flew more consistently, but I don't think he was tweaking it around as much as I did.  I've replaced the missile rail and am looking forward to taking it out again and doing a more systematic attempt at sorting out the launch and glide.

We were treated to two 2-ships and a 4-ship of F-16s returning to Lackland during our flying session, and the barn swallows got quite a workout chasing the gliders.

Cheers,

Mike
Attached files Thumbnail(s):
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
Re: 8" F-16 CatJet Build
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FLYACE1946
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« Reply #43 on: August 17, 2019, 08:48:36 PM »

We sure like flying the F-16's. This is really a nice revisit of the  flying session we had yesterday. I broke my missals off by accident but today I made two more and they are currently drying from the glue. The spur of the moment flying session was very enjoyable. Wish we could have more flyers the next time we try. These F-16's are really great flyers. The design is really well done. Thank you Tony for this thrill getter.
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OZPAF
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« Reply #44 on: August 17, 2019, 08:50:01 PM »

Thanks for that Mike. Good fun. Your model looks like a giant moth on the ground - no wonder the Swallows were interested Cheesy

A great way to spend a morning.

Happy flying.
John
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OZPAF
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« Reply #45 on: August 17, 2019, 08:51:26 PM »

Flyace - you 2 fellows really make the most of it.

Cheers
John
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tross
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« Reply #46 on: August 18, 2019, 10:24:03 AM »

Thanks for that Mike. Smiley
Great flights. I don't recall any of those good flights on my first outing. Roll Eyes
Kudos both.
Those jets are flying pretty high!
Allen has his flying off the field. Nice. Cheesy
I'm envious of the large open space. Shocked

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
FLYACE1946
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« Reply #47 on: August 19, 2019, 10:43:45 AM »

Flying the F-16 Jet Cat sure is fun. Isn't that why we do this in the first place? I thought so.
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