REFLECTOR: V-Twin in Airventure news

[Peter Braswell]

Editorial comment:
Uh, right 800 hours.  Maybe multiply by 3 and add 1000.  :)

Hate to cynical but I just don't buy it …

-Peter
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On Tue, Jul 31, 2012 at 11:06 AM, Alex Balic <velocity_pilot at verizon.net>wrote:

> 800 hours? Must be a super fast build…****
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> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] *On
> Behalf Of *Reiff Lorenz
> *Sent:* Monday, July 30, 2012 5:33 PM
> *To:* reflector at tvbf.org
> *Subject:* REFLECTOR: V-Twin in Airventure news****
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> This was posted to the Airventure news feed:****
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> http://www.airventure.org/news/2012/120724_velocity-v-twin-cant-spin.html*
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> Full article below****
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> *Reiff Lorenz, Dayton, OH*
>
> Velocity XL-RG, 34% complete****
>
> Currently working on: Setting up a new computer in the workshop.****
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> *The Velocity Builders' Virtual Hangar<https://liveconferencepro.com/guest/loginguest.php?id=d3a73e710c719626dd353d3b101be90f>.
> Available 24/7 for builders and owners:*
>
>
> https://liveconferencepro.com/guest/loginguest.php?id=d3a73e710c719626dd353d3b101be90f
> ****
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> Velocity V-Twin Can't Spin****
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> [image: Description: V-Twin]****
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> Velocity's V-Twin (photo by Mariano Rosales)****
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> By James Wynbrandt****
>
> No, the small twin-engine pusher with canards and delta wings is not a
> baby Avanti Piaggio. It's the prototype of the V-Twin, a new offering from
> kit company Velocity Aircraft of Sebastian, Florida. ****
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> "I've been wanting to build a twin-engine version of our airplane for
> many, many years," said Duane Swing, chairman and owner of Velocity
> Aircraft. But with their propensity to enter a stall spin in the event of
> an engine loss in high-power, low-airspeed operations, such as during
> takeoff, "Twin engines have lost favor because of the high rate of death
> with engine failure," Swing noted. "The idea was to build a Velocity twin
> with no VMC (minimum controllable airspeed), where you couldn't slow to the
> point where you could stall, and therefore there's no way to spin." ****
>
> In theory, a canard aircraft such as the Velocity can't spin because the
> canard stalls before the wing, lowering the nose, and keeping sufficient
> airflow over the wing to keep it flying. Engineers Swing consulted agreed
> the same principal would apply to a twin-engine canard aircraft, convincing
> him to pursue his longstanding goal. ****
>
> "Last year at Oshkosh I said, 'I'm going to do this,'" Swing said. "In
> October I told our guys the company can't afford to fund this, so the whole
> cost is coming out of my pocket, and you guys know what you're doing, so
> let's build a twin. Six months later we had it flying." ****
>
> The completed aircraft was intended to be proof-of-concept aircraft, to be
> followed by a prototype from which parts for the kit version would be made.
> But the airplane flew so well that "right after the first flight it became
> apparent this was not just a concept airplanes, it was going to be the
> prototype." ****
>
> After its debut at Sun 'n Fun, Swing and company pilot John Abraham
> subjected the aircraft to more rigorous flight tests, "doing things most
> twins would not, like full stalls with one engine shut down, to prove we
> can't get it to stall, eliminating the major problem of other twins," Swing
> said. ****
>
> The prototype at the Velocity display (exhibit No. 11) is powered by two
> 160-hp Lycoming IO 320 engines. Fuel burn of about 6 gph per engine in
> economy cruise yields 170-plus knots and about 1,400 nm range.
> Single-engine climb is about 400 fpm up to 8,000 feet, and from 8,000 to
> 12,000 feet the V-Twin will hold altitude on one engine. ****
>
> The company expects the airframe to support engines up to 250 hp. Velocity
> is also designing a six-place version with a 2-foot cabin extension and is
> talking to Delta Hawk about offering a diesel engine option. ****
>
> "We're now just waiting to build one more in our shop so we can complete
> the construction phase" to document the building instructions for kit
> buyers, Swing said. V-Twin kits start at $110,000, and Velocity estimates
> cost of the completed aircraft with engines and glass panel will be about
> $250,000. Estimated construction time is about 800 hours.****
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