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Old Oct 01, 2014, 11:03 AM
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2015 Capitol Cup

We will be holding the Capitol Cup 2015 on 19-20 September 2015 at Great Meadow in The Plains, Virginia.

Normally S8Ep is an event. We will also be holding S2p.

kj
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Old Oct 09, 2014, 07:58 PM
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Gary Goncher got a few great photos of my 65" long boeing ALCM flown with 29mm hardware and the new-ish G-25 moonburner Aerotech reload. It's a great motor for these depron planes as it doesn't push them too hard, but has a good spike to get them off the pad, weighing 34 oz rtf, It's also nice because it uses the normal 29mm highpower motor hardware and not the more expensive and custom sized 32mm RC hardware. It's not as hard a thrust profile as a G-38 or G-40, but it's almost a full 120ns motor.
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Old Oct 10, 2014, 11:33 AM
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Very nice!


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Old Nov 09, 2014, 02:38 PM
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Here's something I've been wanting to try for a while and posted on the rocketry forum, using depron construction around a 29mm center motor tube to make a light titan booster for my X-20 dyna-soar that already flies on 24mm E-6 motors. Still have some markings to do, will not paint the booster at this time to save weight, just use some vinyl markings. A 4" piston at the top pushes the glider off of the guide rods and pulls the chute out....3.8 pounds ready to fly less motor, will likely boost on CTI H-42...There is a lot to go wrong with this one, chute tangling, booster getting damaged on ejection or not ejecting fully, model arcing over and preventing 200' altitude from being reached to arm the ejection electronics, etc....It's turned out pretty well, but may be my most spectacular failure I'm weighing spin tabs but i really don't want to stress the glider mount any more than necessary, if it does pitch and I try to correct with the glider they will have the opposite reaction being mounted forward and I'll probably do the wrong thing.....more pictures on my blog if you are interested. For example the Titan II on the left is built using normal highpower construction and weighs 20 pounds ready to fly on J motors.... Glider is 8.5 ounces or 11.5 ounces with onboard 24mm E-6 set up to do air starts if I want.
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Last edited by burkefj; Nov 09, 2014 at 02:44 PM.
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Old Nov 10, 2014, 05:42 PM
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That looks great! Looking forward to hearing how it flies.

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