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Looking at a Kobra

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Old 10-24-2017, 02:43 AM
  #26  
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I just remembered! House of Balsa used to kit a Spacewalker for a .15. I wonder if they still do. It's a great little flyer and cute as can be.
You might want to check it out. She does some of the prettiest snap rolls I've ever seen! Fun to build, too.
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Old 10-24-2017, 04:42 AM
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Thanks Rick, ill have to check it out. I have seen pictures of Kobras that have been built as tail dragers, one person put retracts on his tail drager version.
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Old 10-24-2017, 07:37 AM
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Originally Posted by Mrotar View Post
Thanks Rick, ill have to check it out. I have seen pictures of Kobras that have been built as tail dragers, one person put retracts on his tail drager version.
The New Era or the Spacewalker? 'Cuz if you're talking about the New Era, I did a quick search and found one on Ebay. The ad was ended this last September with zero bids. Maybe the price of $160 plus $24 for shipping had something to do with it. However, it is worth noting that Airtronics used just about the best wood I've ever seen. We called it "blonde balsa." Plus, they were all machine-cut, NO die-cutting. Very high quality stuff. Even at that price, you won't be disappointed. I actually built two, one with the O.S. 25 FSR, and the other with the aforementioned Webra. Speed 32 (with the Dynamix slide valve carb, no less). Both were spectacular performers.
The Spacewalker used a Supertigre X15 that I still own.Too much fun! Such a pity about Supertigre. They are some of my favorite engines. I have several tucked away. Well, more sanding! See ya, Mark.
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Old 10-24-2017, 04:30 PM
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Hey, Stickslammer! I just thought of another one...the Sig Doubler II. Designed for a .15, It's inspired by the Goodyear racers from back in the day.
Warning! This plane uses what looks like a 7% or 8% airfoil. So, it's gonna be fast! Finding one could be tough, but it may be worth it.
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Old 10-25-2017, 10:56 AM
  #30  
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Thanks! I`ll look for it. By the way, what happened to Supertigre?

Last edited by Stickslammer; 10-25-2017 at 11:09 AM. Reason: Adding text
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Old 10-25-2017, 02:18 PM
  #31  
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Originally Posted by Stickslammer View Post
Thanks! I`ll look for it. By the way, what happened to Supertigre?
A number of years ago, Supertigre started producing their engines in China. All seemed well, for a while.
Then, about two years ago, I tried to order a G-90 from Tower on line but they were out of stock. After several months with still no luck, I called Tower to find out what was going on. It seems Supertigre was looking for a new factory, apparently without success.
I just checked again. The only brand of glow engines Tower now sells is O.S. Such a pity.
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Old 11-15-2017, 05:23 PM
  #32  
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Hi Guys,
I just got my Kobra in the mail today. I really like the Red, White and Blue Air Force F16 color scheme.
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Old 11-16-2017, 12:38 AM
  #33  
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Originally Posted by Stickslammer View Post
Hi Guys,
I just got my Kobra in the mail today. I really like the Red, White and Blue Air Force F16 color scheme.
Lucky you. I never re-create the box art, though. We already know what that looks like, right? When I get mine, I was thinking how cool the Kobra would look in Blue Angels colors, if I could find the markings for it. What are you going to power yours with?
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Old 11-16-2017, 07:52 PM
  #34  
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Stickslammer, are you thinking of doing a build thread on your Kobra?
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Old 11-17-2017, 11:12 AM
  #35  
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Born2build, I have a Thundertiger 36 left over from a coroplast experiment I got on consignment at the LHS. It looks like it barely got used. There`s a picture of it on page 1
Mrotar, I hadn`t thought of it, but that sounds like a good idea.

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Old 11-17-2017, 02:13 PM
  #36  
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A Kobra build thread sounds like fun. Unfortunately for me, I'll have to wait until after the holidays to get my Kobra.
Something to look forward to...
That Thundertiger 36 will be more than enough power, of course. You may have to under prop it just to slow it down enough for landings.
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Old 11-24-2017, 08:48 PM
  #37  
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Well, here goes. How do I get those pics upright?
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Old 11-30-2017, 06:30 PM
  #38  
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I`m thinking of separate aileron servos. Has anyone else done this?
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Old 12-03-2017, 10:32 AM
  #39  
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Carving the leading edge contour. No instant gratification here. My hope is that there`s enough new blood getting into building that enjoy the gluing, carving and sanding to keep the kit manufactures in business.
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Old 12-03-2017, 03:35 PM
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Originally Posted by Stickslammer View Post
I`m thinking of separate aileron servos. Has anyone else done this?
I think you may be too late for that. You need to drill holes in the ribs for the servo leads. It may still be doable, but it would be a pain in the butt.
I used two aileron servos in my Great Planes T-Craft. But I planned for it before construction began. The servos are mounted to hatches in the wing so the only things showing are the output arms and the pushrods to the control horns. Very tidy. I don't like the servos on the outside of the airplane.
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Old 12-03-2017, 03:41 PM
  #41  
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Master Airscrew makes a nifty little razor plane. Makes shaping those leading edges a lot easier!
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Old 12-05-2017, 03:54 PM
  #42  
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Originally Posted by Stickslammer View Post
I`m thinking of separate aileron servos. Has anyone else done this?
I've done it. But also made major mods to structure/appearance reduce total flying weight (including 3S-4000mah battery) to 42oz.
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Old 12-06-2017, 10:05 AM
  #43  
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gyrocptr, that's nice. Are those retracts? I think I`ll do it. I really don`t enjoy installing the single servo system and don`t feel it performs as well.
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Old 12-16-2017, 04:06 PM
  #44  
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It was pretty easy to build little boxes between 5 and 6 ribs. I`ve got enough extra servos and hardware laying around that will be nice to put back in service.
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Old 12-16-2017, 07:10 PM
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Paper tube extending thru holes in the ribs will help to run servo wires to center of wing. Roll strip of paper into narrow tube, snake thru holes cut in ribs, let tube expand open to the diameter of rib-holes.
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Old 12-17-2017, 06:42 PM
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Thanks for the tip, but I already drilled holes which aren't lined up. I was planning on going to the hobby shop to get bulk servo wire, terminals, etc. and just thread the wires through. Of course I should call first to see if they still have it, as it`s an hour drive. Sadly, it doesn`t appear as though inventory is getting replaced. I guess most of us builders are having to get everything on- line.
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Old 01-20-2018, 07:33 AM
  #47  
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Stickslammer, how is the Kobra build going? hope everything is ok. Your build is looking good so far.
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Old 01-22-2018, 01:24 PM
  #48  
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Thanks Mrotar,
I haven't done much lately, because my shop is down in the basement and it`s been a little too cold. Warmed up nice this weekend and I was itching to get back to it, but wifey had other plans. I`m gonna try to get back to it this week and post more pics.
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Old 01-22-2018, 03:19 PM
  #49  
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Looking good. the wing is different that the Kougar that I built several years ago, which had a foam wing that needed to be sheeted. Lots of carving and sanding for the leading edge and wing tips......did it all in the back yard....what a mess!LOL.

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Old 01-22-2018, 07:14 PM
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Glad to hear everything is ok. I know what you mean about a cold shop. I build in the garage and it gets cold in there too.
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