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Old 11-05-2014, 09:22 AM
Bastard 3D pilot
yakwards's Avatar
United States, VA, Hampton
Joined Apr 2010
1,878 Posts

Mine was red.Never had an orientation issue,the wing bottoms stand out well.They need to,this plane will roll fast with some 7955's on the ailerons.Only plane Ive owned where I had to have a lower aileron rate for high speed stuff.
Bad to the bone.
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Old 12-10-2014, 05:34 PM
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supatimhanstine's Avatar
Orting, WA
Joined Nov 2008
1,136 Posts

For anyone running a 40 twin under the hood of their 78", here's a little how-to on the header and canister install from when I did mine yesterday. We had sold off the 40 twin that I had been running all season so I'm breaking in a new 40 twin with the rear dump canister on a 20x8. Turning about 7100 (on the ground) with both stock muffs and the canister with the same power and response. Sound is incredible and can't get much quieter unless it's not running!! In a few gallons I'll bolt another 21x8 laminated prop back on and it'll be business as usual.

Since the header would block the canister tunnel access I started from the back to front. Slid canister in place and then fit in the canister mount. Had to relieve a little material out so everything would fit nice and easy. After drilling and hardening the holes, screwed the mount into place.

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Upfront I prepared the coupler by putting the clamps in place. I've found that it's easier to do this before hand. Whenever I mount a canister I always drill a small hole through the coupler and header or canister, then put a small screw in. The screw stops everything from rotating when in place and is further secured by the spring each spring clamp so it'll never come out unless you take it out.

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Moving on to the header, you may need to remove your idle screw. I start by threading the rear bolt into the cylinder and gasket (through the spacers.) MAKE SURE YOU HAVE ALL SPACERS AND GASKETS ALIGNED and ensure you put a gasket between the spacers as well. Use red loctite so you won’t need to retighten the bolts later! Leave enough length in the bolt so you can slide the open end of the flange into place. Slide the flange into place then insert the front bolt with red loctite as well. Tighten both bolts with the included low clearance allen wrench and repeat on the other side.

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Due to the right thrust in the engine box, the exit on the header points slightly to one side. This is not a big deal at all as you ultimately control where the exit on the canister is centered. Finished results are clean and more importantly QUIET.

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Only thing not in the pics is teflon wrap. Make sure and wrap the ends of the coupler with teflon tape (plumbers tape) to prevent unnecessary leaks inside your cowl. Hope that helps and good luck!!
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Last edited by supatimhanstine; 12-10-2014 at 05:39 PM.
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Old 12-10-2014, 06:11 PM
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orthobird's Avatar
United States, LA, Shreveport
Joined Apr 2012
3,383 Posts

what an excellent set up!
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Old 12-13-2014, 06:20 PM
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supatimhanstine's Avatar
Orting, WA
Joined Nov 2008
1,136 Posts

For anyone that has a VVRC 40 on their 78" Extra (or anything else) and ever wanted to quiet it down, the 2 into 1 finally exists and works great with any medium canister! Here's a quickie video of it in action:

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Old 12-13-2014, 06:33 PM
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xtraflyr's Avatar
Chester NJ
Joined Jan 2006
1,477 Posts

Ok I'm sold! You're going to sell a bunch of these for sure! I'll be buying one when I get my 74"Laser in the spring!!
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Old 01-24-2015, 10:24 PM
DA rocks
MaceH's Avatar
Joined Jun 2011
916 Posts
EF Extra

I'm going with DA35 and Planebender small smooth pipe on mine... has anyone used that combination?
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Old 01-24-2015, 11:26 PM
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orthobird's Avatar
United States, LA, Shreveport
Joined Apr 2012
3,383 Posts

i have a da 35 with stock muff on mine. has an almost electric throttle response
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Old 01-25-2015, 10:22 AM
DA rocks
MaceH's Avatar
Joined Jun 2011
916 Posts

Yah Cam, that was my hope. For you, overall, how does it make the plane feel?

I'm spoiled for power- the 70 seems just right on the 88 Edge; I have a DA60 on my GP Yak54... got to putting the little Extra together and seeing it is only a tiny bit smaller than that Yak which makes the 35 look quite small.
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