Go Back  RCU Forums > RC Airplanes > Kit Building
Reload this Page >

Sig King Kobra Build

Community
Search
Notices
Kit Building If you're building a kit and have questions or want to discuss kit building post it here.

Sig King Kobra Build

Thread Tools
 
Search this Thread
 
Old 01-15-2012, 04:42 PM
  #176  
oliveDrab
 
oliveDrab's Avatar
 
Join Date: Feb 2005
Location: Georgetown, KY
Posts: 819
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

The humidity in that area drove me crazy for 19 years. But it's an interesting place to live anyway. I hope highway 19 going north has improved.

What colors have you decided on? I'm building an electric King Kobra which will have an AXI 4120/14 and a 6-cell 5300maH Lipo. Wanted to do camoflauge but that would require painting and make my electric King Kobra heavy.
Attached Thumbnails Click image for larger version

Name:	Ge96914.jpg
Views:	209
Size:	95.3 KB
ID:	1714512   Click image for larger version

Name:	Yt60538.jpg
Views:	201
Size:	89.5 KB
ID:	1714513   Click image for larger version

Name:	Ej12245.jpg
Views:	285
Size:	88.3 KB
ID:	1714514  
Old 01-15-2012, 04:56 PM
  #177  
dhal22
 
Join Date: Aug 2006
Location: Roswell, GA
Posts: 5,711
Received 7 Likes on 7 Posts
Default RE: Sig King Kobra Build


ORIGINAL: [email protected]

The stab is installed, fuse is formed, turttle deck also. As soon as that is done I will install the fin.
But the canopy will wait untill after the fuse is glassed I think.
While waiting for my order from SIG of cloth and resin I will finish the wheel well on the wing. Hopefully everything will be ready for paint before the humidity rises too high here in the Spring.

It might be time to start your own thread. Most thread starters frown on other builds invading their space, especially if it is an active thread. Not that we aren't happy to see a KK thread.
Old 02-11-2012, 03:11 PM
  #178  
[email protected]
My Feedback: (2)
 
Join Date: May 2011
Location: St. Petersburg, FL
Posts: 171
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

Done!
OS 61 FX
8Lbs. 12 OZ
11X7 prop
13,800 RPM on 10 % and tuned pipe, NEW engine!
Ready for first flight.
Attached Thumbnails Click image for larger version

Name:	Db84602.jpg
Views:	641
Size:	64.6 KB
ID:	1725789   Click image for larger version

Name:	Up47549.jpg
Views:	496
Size:	70.5 KB
ID:	1725790  
Old 02-18-2012, 07:42 PM
  #179  
ExperimentalAviator.
 
ExperimentalAviator.'s Avatar
 
Join Date: Feb 2012
Location: Tuscaloosa, AL
Posts: 5
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

m_gutzmer, you have a very clean KK. Keep us posted on your test flights.

oliveDrab, keep us updated on your electric conversion. I will be curious to how you pipe in the air to keep the motor, battery and ESC cool. Will the exit hole at the rear of the fuselage be enough or will you have to make another exit to move more air volume?

Mike
Old 02-20-2012, 01:33 PM
  #180  
dhal22
 
Join Date: Aug 2006
Location: Roswell, GA
Posts: 5,711
Received 7 Likes on 7 Posts
Default RE: Sig King Kobra Build

Hi Mike, good to see you back.
Old 02-20-2012, 08:31 PM
  #181  
ExperimentalAviator.
 
ExperimentalAviator.'s Avatar
 
Join Date: Feb 2012
Location: Tuscaloosa, AL
Posts: 5
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

Hi David. I'll just be lurking and seeing what's going on. I haven't been doing much RC in the past two years and don't see that changing for some time to come. What little I have been doing is mainly electric. Y'all keep the KK's going.

Mike
Old 02-21-2012, 03:35 AM
  #182  
dhal22
 
Join Date: Aug 2006
Location: Roswell, GA
Posts: 5,711
Received 7 Likes on 7 Posts
Default RE: Sig King Kobra Build


ORIGINAL: oliveDrab

The humidity in that area drove me crazy for 19 years. But it's an interesting place to live anyway. I hope highway 19 going north has improved.

What colors have you decided on? I'm building an electric King Kobra which will have an AXI 4120/14 and a 6-cell 5300maH Lipo. Wanted to do camoflauge but that would require painting and make my electric King Kobra heavy.

.50 OR .75 OZ fiberglass with Minwax Polycrylic and water based paint is lighter than plastic cote if done right. Camo would be easy to do in paint.
Old 05-28-2012, 09:08 AM
  #183  
stefanP
My Feedback: (2)
 
stefanP's Avatar
 
Join Date: Jun 2002
Location: southington, CT
Posts: 354
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

I have this kit coming in.Found a great deal on it.Hopefully I start building soon.
Old 09-10-2012, 12:50 PM
  #184  
JugMan
Member
 
Join Date: Feb 2007
Location: Vero Beach, FL
Posts: 31
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

Man! This was (is?) a great thread.... Mike had it reading like a novel for a couple years.
So much so, that I scarfed a King Kobra off eBay yesterday to make a home for my Clarence Lee ported K&B.61 (also acquired from eBay... NIB with documentation from Mr. Lee). I'd been looking for a low cost pattern type plane for that engine, and the King Kobra is well suited by virtue of it's "vintage" status. I'm planning on retracts and possibly a pipe (although the .61 comes with the Lee modified K&B muff). All depends on what the retracts wind up costing me, I suppose. I will be moving the vertical fin back, extending the rudder down, and splitting the elevator. This KK will be 'glassed, and sprayed with epoxy.
I will attempt to resist the temptation to modify the stab to anhedral. I did that on my old Kaos (photo). Perhaps only my imagination, but that plane seemed on rails while inverted... mainly I just liked the way the stab looked.
I am a little bit saddened to hear Mike say that he's not been doing much R/C lately, as I was really looking forward to seeing the final product completed. That said, there are some fine looking KK's in this thread.
So,anyway... BIG thanks Mike (and others), for posting such detailed information relating to retract install, glassing techniques, tips, hints, etc.
Mike... there are probably ten guys here who would buy your KK "as is"....beautiful and clean workmanship!
I hope you can finish it one day soon.
Attached Thumbnails Click image for larger version

Name:	Vs55621.jpg
Views:	559
Size:	87.2 KB
ID:	1799928  
Old 09-10-2012, 06:46 PM
  #185  
ExperimentalAviator.
 
ExperimentalAviator.'s Avatar
 
Join Date: Feb 2012
Location: Tuscaloosa, AL
Posts: 5
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

JugMan,
Have fun with your KK build and many thanks for the compliments.I have so much time invested in my KK construction that I fully intend to finish it one day.
My one suggestion to you is to look into the new electric retracts that are available.Sure does beat having to run air lines that eventually dry rot, and not having to chase potential air leaks.It’s also nice to able to keep the landing gear retracted for storage and transportation.I have the e-Flite electric retracts in my Bonanza and I really like them.
Keep us posted on your progress.
Mike
Old 09-11-2012, 05:32 PM
  #186  
dhal22
 
Join Date: Aug 2006
Location: Roswell, GA
Posts: 5,711
Received 7 Likes on 7 Posts
Default RE: Sig King Kobra Build

I finally flew my KK a couple of weeks ago. A bit sluggish, both the engine and the plane. After 5-6 minutes of flight I gave up and decided to bring her in. Unfortunately, about the time I told myself to keep the speed up it was too late. It stalled on the turn around at the end of the field and went in. Repairable but unlikely as I have many projects ongoing.
Old 09-11-2012, 06:09 PM
  #187  
JugMan
Member
 
Join Date: Feb 2007
Location: Vero Beach, FL
Posts: 31
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

Hi Mike, 
Roger that on the the electric retracts... I spent hours checking what's out there there last night on the web.
For weight, simplicity and functionality, I don't see how the .60-1.20 sized eFlite electric tri-gears can  be beat for a King Kobra (about $189).... almost too easy to install.
The KK kit should arrive next week, hoping it arrives intact. 
I'm also thinking this is the project to attempt vacuum bagging the glass on the sheeted foam wing. There's a small pump set-up that ACP Composites sells (around $120 for a starter kit) that might be OK for wings. Too much vacuum isn't a good idea anyway, from what I've read (crush). I'll post any worthy images of the build.
Really glad to hear you're gonna finish your KK... 
Old 04-03-2013, 12:08 PM
  #188  
BillS
Senior Member
 
Join Date: Sep 2004
Location: Greensboro, NC
Posts: 3,312
Likes: 0
Received 1 Like on 1 Post
Default RE: Sig King Kobra Build

I could use a couple of sets of King Kobra fixed gear for use on Kougars to increase the prop to ground clearance (engine too large, prop too long, ground too rough). If you replaced fixed gear with retracts I would like to buy 2 sets for King Kobra.

Bill
Old 04-03-2013, 06:31 PM
  #189  
Twin_Flyer
My Feedback: (4)
 
Join Date: Jan 2002
Location: Westhampton Beach, NY
Posts: 860
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

dhal, ever rebuild that KK?

if its rebuildable and you choose to pass, I may be interested....

Bill S.
Old 04-03-2013, 08:18 PM
  #190  
Roary m
My Feedback: (67)
 
Join Date: Nov 2002
Location: lancaster, CA
Posts: 731
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig King Kobra Build

If I remember, the RCM article on the KK pictured the plane with a Saito 120. It looked so out of place with that big 4 stroke jug sticking out of the nose.
Old 04-07-2013, 05:49 PM
  #191  
dhal22
 
Join Date: Aug 2006
Location: Roswell, GA
Posts: 5,711
Received 7 Likes on 7 Posts
Default RE: Sig King Kobra Build


ORIGINAL: Twin_Flyer

dhal, ever rebuild that KK?

if its rebuildable and you choose to pass, I may be interested....

Bill S.
You are welcome to it if you to to the trouble of getting it.
Old 03-30-2014, 08:16 AM
  #192  
I-fly-any-and-all
My Feedback: (1)
 
Join Date: Dec 2008
Location: Howell, MI
Posts: 1,278
Received 3 Likes on 3 Posts
Default

awesome!
Old 06-26-2014, 10:37 PM
  #193  
robertwilkerson
Senior Member
 
Join Date: Sep 2007
Location: Laveen, AZ
Posts: 111
Likes: 0
Received 0 Likes on 0 Posts
Default

I am building one my self and really like the wheel sander, I have some tips that I would like to pass along, instead of using the cardboard tubes just use a straight edge I used a sheet of balsa use the zona saw and cut a small cut along the straight edge then just push your servo lead into the cut servo leads are cheap now days and the cut remove less material. Another and this will take some skill I install a milling head into my Dremel tool cut the opening size for your cut out and rout out the openings using the shaft and chuck face as a guide and a metal rule along the open span adjust your cut in passes by lenghting the cutting bit messy but no smoke or hot iron wire to bend
Attached Thumbnails Click image for larger version

Name:	100_4029.JPG
Views:	1570
Size:	361.8 KB
ID:	2009137   Click image for larger version

Name:	100_4030.JPG
Views:	1525
Size:	414.0 KB
ID:	2009138  
Old 06-27-2014, 01:05 PM
  #194  
tailskid
My Feedback: (34)
 
tailskid's Avatar
 
Join Date: Nov 2001
Location: Tolleson, AZ
Posts: 9,552
Received 7 Likes on 7 Posts
Default

Robert, there is flying this weekend....gonna come?
Old 06-29-2014, 10:45 AM
  #195  
robertwilkerson
Senior Member
 
Join Date: Sep 2007
Location: Laveen, AZ
Posts: 111
Likes: 0
Received 0 Likes on 0 Posts
Default

Sorry Jerry I didn't make it yesterday.
Old 06-29-2014, 01:33 PM
  #196  
tailskid
My Feedback: (34)
 
tailskid's Avatar
 
Join Date: Nov 2001
Location: Tolleson, AZ
Posts: 9,552
Received 7 Likes on 7 Posts
Default

Robert, as long as you are building the KK, that is O.K. BUT if you were just reading some book - bad boy
Old 06-29-2014, 07:50 PM
  #197  
robertwilkerson
Senior Member
 
Join Date: Sep 2007
Location: Laveen, AZ
Posts: 111
Likes: 0
Received 0 Likes on 0 Posts
Default

The books have long expired and ran out of great authors, I'm at a stand still with the KK waiting for retracts, sent mine back for repair last week and have not seen them since. To poor for electrics so going with the Spring Air like the plan calls for. (and I already had the mains) This is as old school as one can get. I'm using a 40 year old Supertigre with the factory tuned pipe that has never been started but is a screamer serie X that's Italian for fast! Need a new plane getting bored with the regulars. How about this build great ideas and insight.
Old 08-27-2014, 02:16 AM
  #198  
Red7fifty
My Feedback: (73)
 
Join Date: Jan 2003
Location: Boise, ID
Posts: 496
Likes: 0
Received 0 Likes on 0 Posts
Default

I'm building one.......BME 90 (Converted ST .90 on Gas).....in rough up stages.
Gonna add smoke......but can't nail down the right muffler for my application....have 3 different sizes Slimline Pitts, the stock Cucumber.......might see about a Macs' One Piece.
Old 08-27-2014, 04:26 AM
  #199  
Twin_Flyer
My Feedback: (4)
 
Join Date: Jan 2002
Location: Westhampton Beach, NY
Posts: 860
Likes: 0
Received 0 Likes on 0 Posts
Default

Looking to pics Red!

Bill S.
Old 08-27-2014, 06:59 AM
  #200  
Red7fifty
My Feedback: (73)
 
Join Date: Jan 2003
Location: Boise, ID
Posts: 496
Likes: 0
Received 0 Likes on 0 Posts
Default

I've got a thread on TFC........not much point in posting everything else that is the same (basic construction, etc), that's redundant.
Attached Thumbnails Click image for larger version

Name:	6.JPG
Views:	1507
Size:	905.7 KB
ID:	2026376   Click image for larger version

Name:	7.JPG
Views:	1561
Size:	809.8 KB
ID:	2026377  


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.