REFLECTOR: V-Twin in Airventure news

steve korney s_korney at hotmail.com
Tue Jul 31 12:11:54 CDT 2012


If one want to fly a Velocity right away, I suggest they buy one that's already build... There is usually one available... Then just change the things you think you can make better.... That should take enough time in itself...


Steve 

Date: Tue, 31 Jul 2012 12:00:50 -0500
From: velocityxl at fastmail.fm
To: reflector at tvbf.org
Subject: Re: REFLECTOR: V-Twin in Airventure news


  
    
  
  
    I found building to the plans is very fast . Every change you make
    to the plans add time exponentially.

     Wing building went  fast Fuselage went quick after that the brakes
    were one and were holding very well.

    If I were to put the amount of time I spent redesigning the plane it
    would way out run the time I spent building.

    seems every one on the reflector has a new way of doing things and
    most of them good. But if you stay to the

    plans you save a ton of time. So do not Blame the factory if you did
    not follow directions and went on a different path.

    It may be better in your opinion but defiantly not faster.

    

    Ron

    

    

    

    On 7/31/2012 10:27 AM, Andrew Judge
      wrote:

    
    
      
      
        
          Maybe it's only a fast-build offering? Then everything is
            more homogenous? 800 hours would be more reasonable.
          

          
          
            
              
                Best regards,
                ____________________________________________________________________________ 

                    Andrew
                      Judge 
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        From:  Jones Nick <nick.jones at volvo.com>

          Reply-To:  Velocity
          Aircraft Owners and Builders list <reflector at tvbf.org>

          Date:  Tuesday, July
          31, 2012 11:22 AM

          To:  Velocity Aircraft
          Owners and Builders list <reflector at tvbf.org>

          Subject:  Re:
          REFLECTOR: V-Twin in Airventure news

        
        

        
        
          
          
          
          
            
              Sounds
                    like a fish story to me. Looks like we have another
                    category to add to the list of “aviation fibs”; how
                    fast it goes, how much fuel does it burn, how high
                    it goes, how much does it carry, how far it goes,
                    and now how long does it take to build.
               
              Best
                    regards,
               
              Nick
                    and Connie Jones
              Velocity
                    XL-RG
              N10CN
              99%
                    done 90% to go
               
              From: reflector-bounces at tvbf.org
                    [mailto:reflector-bounces at tvbf.org]
                    On Behalf Of Peter
                    Braswell

                    Sent:
                    Tuesday, July 31, 2012 11:12 AM

                    To:
                    Velocity Aircraft Owners and Builders list

                    Subject:
                    Re: REFLECTOR: V-Twin in Airventure news
               
              Editorial comment: 
              
                Uh, right
                      800 hours.  Maybe multiply by 3 and add 1000.  :)
              
              
                 
              
              
                Hate to
                      cynical but I just don't buy it …
              
              
                 
              
              
                -Peter
------------------------------------------------------------------------
                
                  "It's
                          a Jungle Up There": www.zuluworks.com
                  
                    
                      Great
                              Aviation Gear: www.sky-gadgets.com

------------------------------------------------------------------------
                    
                  
                
                
                      
                      
                
                  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…
                       
                      
                        
                          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
                        
                      
                       
                       
                      This was posted to
                            the Airventure news feed:
                       
                      http://www.airventure.org/news/2012/120724_velocity-v-twin-cant-spin.html
                       
                      Full article below
                       
                       
                      Reiff
                              Lorenz, Dayton, OH
                      Velocity XL-RG, 34%
                            complete
                      Currently working
                            on: Setting up a new computer in the
                            workshop.
                       
                      The
                              Velocity Builders'
                                Virtual Hangar. Available 24/7 for
                              builders and owners:
                      https://liveconferencepro.com/guest/loginguest.php?id=d3a73e710c719626dd353d3b101be90f
                      
                         
                      
                       
                       
                       
                      
                        
                          
                            
                              
                                Velocity
                                      V-Twin Can't Spin
                              
                            
                            
                              
                                
                                  
                                    
                                      
                                        
                                          
                                            
                                              
                                                
                                                  
                                                  

                                                
                                              
                                              
                                                
                                                  Velocity's V-Twin (photo by Mariano Rosales)
                                                
                                              
                                            
                                          
                                          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. 
                                          "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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