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-   -   Byron F15c Project (https://www.rcuniverse.com/forum/rc-jets-120/11663991-byron-f15c-project.html)

frankle951 04-26-2019 03:37 PM

Byron F15c Project
 
https://cimg8.ibsrv.net/gimg/www.rcu...9040200c09.jpg
https://cimg4.ibsrv.net/gimg/www.rcu...15e8b37e01.jpg
https://cimg0.ibsrv.net/gimg/www.rcu...1972700f0b.jpg
Hey guys and girls, this is my new purchase, a 30 + year old byron f15c, it was on Rcgroup for awhile, it has a 106'' long fuselage, it only weigh 14lb with retracts and servo only, seem pretty solid airframe, Im plan on running a 120 to 140 turbine, also looking to buy a Y pipe for it, this project will be interesting, but doable, stay tune !!!!!!!

spike223 04-26-2019 03:45 PM

Very nice !

frankle951 04-26-2019 03:50 PM

Thanks

spike223 04-26-2019 03:58 PM

The Fei Bao F-15 is also a 1/7 scale.
The pipe should be the same
Contact Catherine !

frankle951 04-26-2019 04:16 PM

Byron f15c
 
Yes, I send them a email, but she she asked if I needed a steel pipe or a carbon pipe and I told her I needed a steel pipe and she never got back with me.

thunderchief 04-26-2019 06:52 PM

wow......nice

A7Bldr 04-28-2019 07:38 AM

I have an old Byron F-15 too (sitting dormant) and was under the impression that it needed at least 160 power to fly it well.
Are you sure 120-140 will be enough? Don't we lose up to 20% with the split pipe?

frankle951 04-28-2019 09:01 AM

Byron f15c
 
Going off Sherlock f15c, fly weigh was 32lb, with a vt80 turbine, so I'm running a 120 to a 140 turbine.

Bob_B 04-28-2019 11:19 AM

Frank I hope yours flies as well as this One:


erbroens 04-28-2019 11:35 AM

maybe you dont need a Y-pipe at all...


frankle951 04-28-2019 04:15 PM

Byron f15c
 
Ok, just bought a new Y pipe from a friend Mike, thanks, now I can mount the pipe and start the setup on building the turbine engine mount.https://cimg9.ibsrv.net/gimg/www.rcu...d87f125e93.jpg
https://cimg5.ibsrv.net/gimg/www.rcu...0902c0b02f.jpg

frankle951 04-28-2019 04:29 PM

Byron f15c
 
https://cimg7.ibsrv.net/gimg/www.rcu...f430fe15c4.jpg
https://cimg0.ibsrv.net/gimg/www.rcu...6fe57881cd.jpg
https://cimg5.ibsrv.net/gimg/www.rcu...fa0da900b6.jpg

frankle951 04-28-2019 04:32 PM

Byron f15c
 
Ok guys, should I cut the top open or go ahead and bolt the turbine in from the bottom, above are pictures showing both ways.

jeteye 04-28-2019 07:35 PM

I had one years ago, and loved it! It should be a great flyer for you.

Lewis

frankle951 04-29-2019 01:49 AM

Thank you Lewis, but did you have your turbine bolted from the top the fuselage or did you cut a hatch from the top and bolt the turbine at the bottom of the fuselage ??????

frankle951 04-29-2019 02:42 AM

Byron F15c
 

Originally Posted by erbroens (Post 12521580)
maybe you dont need a Y-pipe at all...

https://www.youtube.com/watch?v=89HTA3JKHMM

That's really cool, only using one turbine and not using a Y pipe !!!!!!!!

frankle951 04-29-2019 02:47 AM

Byron F15c
 

Originally Posted by Bob_B (Post 12521576)
Frank I hope yours flies as well as this One:

https://youtu.be/JzSbJkY2qVw

Yes, I've watch this video over 20 times, he has it dial in and a great flyer !!!!

A7Bldr 04-29-2019 10:24 AM

I wonder if he has that Turbine or pipe offset a little to compensate? Can't really tell in the video.
Grumania does this in one of his jets, too.

spike223 04-29-2019 12:08 PM


Originally Posted by A7Bldr (Post 12521859)
I wonder if he has that Turbine or pipe offset a little to compensate? Can't really tell in the video.
Grumania does this in one of his jets, too.

Hi

I did emailed Friedhelm a couple years ago about this. Not Grumania. ..just a straight pipe a 5 degres angle.

jcterrettaz 04-29-2019 02:51 PM

I will not bolt there turbine from the bottom , make a new hatch ..less problem for maintenance later

frankle951 05-01-2019 04:13 PM

Byron f15c
 
Ok, guys, I you cut a hatch on the top, I will post pictures.

frankle951 05-02-2019 03:02 PM

Byron f15c
 
Okay guys don't laugh, this is just a temporary set up.https://cimg3.ibsrv.net/gimg/www.rcu...fb2416df77.jpg
https://cimg4.ibsrv.net/gimg/www.rcu...74f04676a4.jpg
https://cimg9.ibsrv.net/gimg/www.rcu...49821b8324.jpg

frankle951 05-03-2019 07:02 AM

Byron f15c
 
Here are the elevator doors, that was missing.https://cimg2.ibsrv.net/gimg/www.rcu...85327a6eeb.jpg

Vettster 05-03-2019 09:31 AM


Originally Posted by frankle951 (Post 12521685)
Ok guys, should I cut the top open.

Flames tend to rise... so YES cut the top ;)

erbroens 05-03-2019 11:14 AM


Originally Posted by A7Bldr (Post 12521859)
I wonder if he has that Turbine or pipe offset a little to compensate? Can't really tell in the video.
Grumania does this in one of his jets, too.

absolutely yes, this way this small offset compensates the assimetric thrust line. I had two jets with Y-pipes, but even if the sound they make is great, they are fragile and a sure factor to loose a jet if they fail. They also are very inefficient, taking away a sizable amount of thrust.

That german guy plane and pipe solution are brilliant.


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