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Old 07-27-2016, 01:46 PM
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burkefj burkefj is offline
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Default IronHand

From sketch to Flight test in 6 hours....

Yesterday afternoon, i found I had two spare servos, some extensions and a receiver laying around without a home, I also had two 2" estes white tubes and a coupler. I borrowed an interceptor cone from one of my other models and got to doodling. I basically grabbed an F-4 phantom wing, with some side plates to mimick engine intakes, took the tail from my Arc-light, used my template for the SST to trim the rear at an angle. Drew it up and did some initial CG calculations, moved the wing foward till the CG was right at the coupler joint since I knew my component/cone/motor weight usually averaged out at that point in the model. Drew it up on a napkin at 3:00. Got home at 5 and started cutting using some of the curved foam sheets I have sitting around, put some carbon in spots to help straighten/stiffen it.

For the wingtips I just cut a V groove and pulled them up and glued them in place after sanding the edges round.

Mounted the wing on the bottom of the tube, installed the tail and motor mount and did some indoor confirmation of the CG location. Installed electronics and had it ready to go by 9pm. Turned out I needed 1/4 ounce of tail weight, so I could have pushed the wing forward just a tad but it's pretty darn close to perfect.

Flew it this morning and it was great. Wing loading is similar to my deltas, boost needed just a hair of down trim, glide was spot on about 1/4" up trim. Really beautiful, nice thick smoke trail this morning with pure blue sky, glide took very little control input for turns, I came on approach at around 100 feet at the end of the runway and it just settled hands off till just before flare. Really nice. I was easily getting over 1 minute glide time in dead air.

I'm calling it IronHand. Still need to do panel lines and some other little details.

38" long, 26" wingspan, 11.5 ounces ready to fly. 5.3 ounce/sq foot wing loading.
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Old 07-27-2016, 03:42 PM
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Blushingmule Blushingmule is offline
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Love the classic Navy scheme! A+!

Bob
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Old 07-27-2016, 04:09 PM
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The delta wing is a great look.

Say, how about an Avro Arrow for our friends up north?

https://www.google.com/search?q=avr...Ifq2DBz4cxPM%3A
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Old 07-27-2016, 04:30 PM
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burkefj burkefj is offline
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Funny you mention the arrow as I was actually considering that, in fact if you mount this wing on the top of the fuse without having the tips bent up, and put the intakes on the bottom, and change the tail it will be very Avro arrow like

Frank
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Old 07-27-2016, 04:45 PM
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Quote:
Originally Posted by burkefj
Funny you mention the arrow as I was actually considering that, in fact if you mount this wing on the top of the fuse without having the tips bent up, and put the intakes on the bottom, and change the tail it will be very Avro arrow like

Frank


That's what I thought...sorta.
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Old 07-28-2016, 05:19 PM
Daddyisabar Daddyisabar is offline
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Quote:
Originally Posted by burkefj
Funny you mention the arrow as I was actually considering that, in fact if you mount this wing on the top of the fuse without having the tips bent up, and put the intakes on the bottom, and change the tail it will be very Avro arrow like

Frank


Don't cancel your Arrow program and then try to sell our friends up North a BOMARC or Voodoo! Too many painful memories.

Add some intakes on the side and with a three motor cluster the Arrow will take out any MIG 25!
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Old 07-28-2016, 08:44 PM
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Here she is with panel lines and ready to fly at 11 5/8 oz. Also made an Iron Hand logo stealing the SAC armored fist, printing on paper, covering with packing tape and then applying with spray contact cement.
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Old 07-27-2016, 04:52 PM
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Quote:
Originally Posted by sandman
The delta wing is a great look.

Say, how about an Avro Arrow for our friends up north?

https://www.google.com/search?q=avr...Ifq2DBz4cxPM%3A


+1 for that idea!
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Old 07-27-2016, 05:39 PM
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Here she is with the panel lines all finished up.

Let me enjoy this one for a day or two before I think about an Arrow-Ish version.
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  #10  
Old 07-27-2016, 06:19 PM
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Excellent!

The panel lines really make it pop!

Bob
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