Scale 35% Krill Extra 330SC....CUSTOM-ARF!!!

[Pistolera]

Rick...to answer your question, I think it'll be enough. The canopy itsel;f is very flexible when off the plane, so I'm not sure how much structural integrity it adds when bolted into place? I'm sure there is some though. With the X-bracing, the added rear bulkhead and the way the latches lock I don't think I'll have any issues. Guess I'll see at some point!

SlowHuck...Yep, refinement is probably a better term!

 

[3dbandit]

Nice build.

I like the hinged canopy.

 

[Pistolera]

Gas & Smoke

Krill sells (at least with the 35%’er) a fiberglass tank tray that is molded for round bottles. I like Fiji 1 liter bottles so invested my $ in making a flat tray from CF/balsa laminate. The tray sits right on the spar tube.

From my spare parts bin I found a piece of CF spar sleeve that when sawed in ½ length-wise was a perfect fit over the Krill tube. Mocked up the tray with cardboard and then cut it out and Hysol’ed everything together. I mounted a petcock valve for the smoke oil tank, to prevent siphoning oil into the headers when the plan is in the hangar. Some Spot-On straps hold the tanks in place. Also Velcro between the tanks and tray to prevent shifting. More Velcro straps hold the tray securely to the spar tube, making it relatively easy to remove for maintenance.

Decided to use aluminum tubing to run the tank vent lines down to the fuse bottom. Small fuel dot collars make nice exits for these. McFueler dots are used for the actual tank fillers on the top of the fuse.

A Harris smoke pump is mounted on the outside of the motor dome.

 

[wesley.]

Dang that is some awesome looking carbon work. I've never really tried building anything CF. I guess I'm a little intimated with the stuff. Anyway that looks really good.

 

[mndless]

Really nice Earle !! In one of you pictures, I see you already have the aileron connector installed.... which do you go with??

 

[Pistolera]

Yeah, I used the mutliplex 6 pin as I recall. Hard-mounted the ones in the fuse...the wings will simply plug into these before installing the bolts.

These pics also show a single Futaba rx on a Smart-Fly PE. I'll probably end up using dual Rx's....just for extra redundancy. I made up a little charge jack panel for the 3 batts. This too may change if I end up using a TechAero on the ignition circuit.

 

[Pistolera]

While I'm on electrical, here's the forward tray that hold the Throttle servo, Optic-kill and ignition battery (or TechAero BEC). Again, CF/balsa laminate, 4-40 blind nuts secure it inside the motor-dome.

 

[Terryscustom]

Nice work! What is the thickness of the carbon / balsa sandwich that you used? I've thought about trying that for a few things before but prices seem to very greatly between suppliers so i keep putting it off.

 

[Pistolera]

Don't you ever sleep????
I use the 1/8" panels from ACP. I believe it's 3 mil CF on each side of the end-grain balsa. I wick thin CA into the balsa to add compressive strength where needed, or if I want a more finished edge for cosmetic reasons.

Neat stuff, light and strong, but can be a bit pricey!

 

[reyn3545]

Very nice! I've been wondering when you would blow the dust off of this plane and finish it.... thanks for sharing your progress.