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Cox Engine of The Month
More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
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More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
After some public shaming by my good friend Pete for not making progress on a model of the full-scale plane he owns, I pushed aside some other half-baked efforts and cleared the table for the Radial Rocket.
Got plenty more to do, but this time, gonna push it all on through...(I hope)...
From My Facebook Page:
..........................................................
More work...more than it looks like...on the R/C replica of Pete's Radial Rocket.
As the title warns...non-model airplane nerds (and maybe actual model airplane nerds too)...will be bored soooo, proceed at your own risk.
https://www.youtube.com/watch?v=TsjjYGfPS8o
............................................................
"A Ride In The Rocket"!
https://www.youtube.com/watch?v=kxU2xhjGyoc
Got plenty more to do, but this time, gonna push it all on through...(I hope)...
From My Facebook Page:
..........................................................
More work...more than it looks like...on the R/C replica of Pete's Radial Rocket.
As the title warns...non-model airplane nerds (and maybe actual model airplane nerds too)...will be bored soooo, proceed at your own risk.
https://www.youtube.com/watch?v=TsjjYGfPS8o
............................................................
"A Ride In The Rocket"!
https://www.youtube.com/watch?v=kxU2xhjGyoc
Last edited by Kim on Sat Aug 06, 2022 7:33 pm; edited 1 time in total
Kim- Top Poster
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Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
Hello KIM! I wish I was much closer, I would love to visit you and help assemble that beautiful plane.
Somehow I accompany you there, believe me, it would be very nice for me to fly together sometime.
I accompany your work. Hug dear friend!
Somehow I accompany you there, believe me, it would be very nice for me to fly together sometime.
I accompany your work. Hug dear friend!
MauricioB- Top Poster
- Posts : 3737
Join date : 2016-02-16
Age : 53
Location : ARG
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
MauricioB wrote:Hello KIM! I wish I was much closer, I would love to visit you and help assemble that beautiful plane.
Somehow I accompany you there, believe me, it would be very nice for me to fly together sometime.
I accompany your work. Hug dear friend!
Thank You Mauricio!!!!
Kim- Top Poster
-
Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
I know you've carefully looked over this model, but we builders are sometimes inclined to believe that the ARFs are assembled with the same care we try to apply when building our own planes.
We have had several ARFs show up at the field with poor hinge mounting -- some hinges were just stuck in place with no adhesive. My tendency with these larger ARFs is to drill through the control surface, wing, fin, stab, etc., add some CA, then physically pin the hinge in place with a piece of bamboo skewer or toothpick. Probably not necessary, but it strokes my OCD! The downside is that you can't get it out if needed.
I use your same technique for throttling -- smaller servo driving either 1/32 music wire or .032 cable in nylon tubing. Great minds, yada, yada, yada!
Waiting for the next installment!
We have had several ARFs show up at the field with poor hinge mounting -- some hinges were just stuck in place with no adhesive. My tendency with these larger ARFs is to drill through the control surface, wing, fin, stab, etc., add some CA, then physically pin the hinge in place with a piece of bamboo skewer or toothpick. Probably not necessary, but it strokes my OCD! The downside is that you can't get it out if needed.
I use your same technique for throttling -- smaller servo driving either 1/32 music wire or .032 cable in nylon tubing. Great minds, yada, yada, yada!
Waiting for the next installment!
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
andrew wrote:I know you've carefully looked over this model, but we builders are sometimes inclined to believe that the ARFs are assembled with the same care we try to apply when building our own planes.
We have had several ARFs show up at the field with poor hinge mounting -- some hinges were just stuck in place with no adhesive. My tendency with these larger ARFs is to drill through the control surface, wing, fin, stab, etc., add some CA, then physically pin the hinge in place with a piece of bamboo skewer or toothpick. Probably not necessary, but it strokes my OCD! The downside is that you can't get it out if needed.
I use your same technique for throttling -- smaller servo driving either 1/32 music wire or .032 cable in nylon tubing. Great minds, yada, yada, yada!
Waiting for the next installment!
Yeah Man! I call it: "Pretty Wrapper Syndrome"!
Flashy colors do not a good plane make! (sorta sound like Yoda there)
Agreed that the OCD Gods MUST be obeyed!!!!!
And yes, the Rocket will get the toothpick treatment all-around once all the major flapping parts are in place and behaving! The hardware package was just about junk, so got replaced, AND I've decided to replace the plastic, flat-bottom wheels with Dubro units that are rounded and just a tiny bit bigger in diameter...to MAYBE give the fairings a skosh higher clearance from the ground. Got to do a bit of grinding, but think it will be worth it...unless it turns into yet another rabbit hole for me to fight my way out of!
Yeah, I really like using the fine Sullivan cable for throttles because it can be routed around the fuel tank in the nose...with almost no friction. Just got to do a good job aligning and anchoring it at both ends.
The plan for today is to drill the mounting holes for the wing's servo covers (which are also the servo mounts), route the extensions out the wingroots, set up the flaps and ailerons with the receiver that will fly in the Rocket.
I REALLY wanted the wing to be a two-piece affair so it'd be easier to transport, but that mod is also getting dumped because I wouldn't be able to seal it against the castor from the engine.
Stuff is happening!!!!!!!!!!
Kim- Top Poster
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Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
So, another day, or part of one, out in the shop with the Rocket.
Got the flight receiver bound to the transmitter, and strung some wires out the wings to the servos.
After a BUNCH of sorting and plugging and unplugging, the whole mess was stuffed into the fuselage and powered up, and actually worked.
EXCEPT...that the flaps identified as ailerons, trying to operate in opposing directions...
I had foolishly tried to use a "Y" harness to hook them up, and their asymmetrical operation caused me to take a walk down to the low-water bridge and back.
Then, in a stunning flash of cerebral gymnastics, I decided to try plugging the individual servos into separate receptacles on the receiver, and "assigned" their two channels to the single flap switch on the transmitter. They were still operating in opposite directions, but I was now able to reverse the throw on the trouble maker, and there was once again happiness on the hill.
Let The Accolades Commence!!!!
I know that you guys who have been messing with this stuff for years are thinking, "Duh!", but it was a great triumph for my little brain...
Got the flight receiver bound to the transmitter, and strung some wires out the wings to the servos.
After a BUNCH of sorting and plugging and unplugging, the whole mess was stuffed into the fuselage and powered up, and actually worked.
EXCEPT...that the flaps identified as ailerons, trying to operate in opposing directions...
I had foolishly tried to use a "Y" harness to hook them up, and their asymmetrical operation caused me to take a walk down to the low-water bridge and back.
Then, in a stunning flash of cerebral gymnastics, I decided to try plugging the individual servos into separate receptacles on the receiver, and "assigned" their two channels to the single flap switch on the transmitter. They were still operating in opposite directions, but I was now able to reverse the throw on the trouble maker, and there was once again happiness on the hill.
Let The Accolades Commence!!!!
I know that you guys who have been messing with this stuff for years are thinking, "Duh!", but it was a great triumph for my little brain...
Kim- Top Poster
-
Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
[/quote]
THANK YOU...THANK YOU VERY MUCH !!!
"BTW, while at Oshkosh, I got to see Mike Patey and his Carbon Cub --- thought about getting a selfie, but he was VERY busy with Meet and Greet and PR. Nice guy and very receptive to the public."
Man, I'd love to get his autograph on my Draco's wing! Yeah, in all the videos, seems like he's got a boundless supply of energy...physical and mental!!
Kim- Top Poster
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Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
What s the WS on that bad boy ? Good to hear you got that little problem with the flaps straightened out They do give the more real feeling to the model . Did you cut some of the video out ? seems it was 9+ mins. now 4+ I had started on it and got distracted and just got back to it .
getback- Top Poster
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Posts : 10472
Join date : 2013-01-18
Age : 67
Location : julian , NC
Re: More Work on My Seagull Models' "Radial Rocket" "Got Flaps??"
getback wrote:What s the WS on that bad boy ? Good to hear you got that little problem with the flaps straightened out They do give the more real feeling to the model . Did you cut some of the video out ? seems it was 9+ mins. now 4+ I had started on it and got distracted and just got back to it .
Hey Eric,
It spans just a bit over 62 inches with an area of 570 sq. inches. Compared to the fuse, the wing, with its slight taper and narrow chord, looks small to me, so the flaps will probably be REALLY appreciated.
Its weight is supposed to be from 7.1 to 7.3 pounds, but I ain't gonna weigh the sucker 'till after some flights are put on it!
No, I don't think I messed with the videos since I posted them...unless I had a sleep walking/editing episode...(which could totally happen)!
I'm waiting on an order of that new, fancy fuel line Sullivan is offering...supposed to last longer than the regular stuff. Gonna plumb the tank with that it, and things will be getting close to launch time.
Kim- Top Poster
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Posts : 8645
Join date : 2011-09-06
Location : South East Missouri
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