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             What's Changed
April 24, 2013  
HOME PAGE

Video of Cirrus run-up on You Tube

    
April 17, 2013  
HOME PAGE DeltaHawk Powers Cirrus SR20
   
February 28, 2013  
HOME PAGE Sun N Fun 2013
   
September 24, 2012 Dallas Investment Summit with Governor Walker
HOME PAGE  
   
June 12, 2012  
HOME PAGE See you at AirVenture 2012 in Oshkosh July 23-29, 2012
      
March 14, 2012  
HOME PAGE Now looking at early 2013 for FAA Certification
   
February 29, 2012  
HOME PAGE Sun N Fun 2012
   
January 13, 2012  
HOME PAGE Test Flight Photos from January 2012
   
November 8, 2011  
HOME PAGE Cleaned up the Home Page and archived some material
   
August 3, 2011  
HOME PAGE Moved news stories to News Clips page
NEWS CLIPS: added a couple of new articles
   
May 3, 2011  
HOME PAGE Diane Elizabeth Doers, our friend, our inspiration
   
April 12, 2011  
HOME PAGE AirVenture 2011 booth location
  Sun N Fun 2011 tornado experience
February 25, 2011  
HOME PAGE DeltaHawk growing into new facilities, again
  Sun N Fun 2011
January 5, 2011  
HOME PAGE

DeltaHawk growing into new facilities

   
August 24, 2010  
HOME PAGE Update Home Page for Cirrus conversion project
   
July 6, 2010  
HOME PAGE AirVenture Booth # 216 location photograph
   
May 28, 2010  
NEWS CLIPS: Australian Helicopter announced
   
October 29, 2009  
HOME PAGE Added Firewall Kit for Lancair ES
   
September 11, 2009  
QUESTIONS & ANSWERS: Add Fuel Tank Schematic to fuel tank venting question
ABOUT DELTAHAWK Added   FAMILY OF DIESEL ENGINES  info
   
August 26, 2009  
PRODUCTS:  Add Firewall information to Products page
    
August 10, 2009  
NEWS CLIPS: DeltaHawk Diesel-Powered Cirrus SR-20 Announced
   
August 5, 2009  
HOME PAGE Firewall Kits
    
August 4, 2009  
Current Activities: Status of FAA Certification
   
February 10, 2009  
HOME PAGE Invitation to visit DeltaHawk booth at Sun N Fun
     
December 8, 2008  
ECONOMIC COMPARISON Add explanation for lack of 180hp Economic Comparison
   
December 4, 2008  
HOME PAGE DeltaHawk response to Exxon Mobil requirement
NEWS CLIPS: AVWeb article about Jet A in piston engines
NEWS CLIPS: Aero-News article about Jet A in piston engines
    
November 3, 2008  
FOR BUILDERS (Page 2 of 2) Installation Equipment available from Ted Reed at
Installation_Equipment.pdf http://dieselfirewallforward.com/   for RV-7s
      
October 16, 2008  
SUGGESTIONS FOR BUILDERS: Updated some sensor monitoring suggestions.
    
September 18, 2008  
NEWS CLIPS: General Aviation News Article  September 12, 2008
   
August 27, 2008  
HOME PAGE Project Specific Certification Plan signed by FAA
   
August 08, 2008 AirVenture 2008 - photos of show - LoPresti Award
PHOTO PAGE:  
Why a Diesel? Hyperlinks to Aircraft Engine Historical Society web site
     
July 03, 2008 AirVenture 2008 - Building D Booth 4154
HOME PAGE Main Aircraft Display Area - Booths 8 & 9
    
June 20, 2008 LoPresti visits DeltaHawk
HOME PAGE  
    
June 13, 2008 New system flow diagrams for Air,     Fuel,     Oil     Coolant
FOR BUILDERS (Page 2 of 2)  
    
June 10, 2008  
Glamour Shot Even Cyl side Someone mentioned that we did not have a current photo
Glamour Shot Odd Cyl side of the engine on our web site. Here it is. Both sides.
   
June 9, 2008 Update Economic Comparison pages based on
ECONOMIC COMPARISON current fuel prices
   
May 20, 2008  
Velocity FF Kit Drawings of a new Velocity Firewall Forward Kit
   
April 29, 2008  
Sun N Fun Photos A good time was had by all. Lots of new friends and fans.
HOME PAGE Energy Density of Aviation Fuel
   
April 04, 2008  
PRODUCTS:  Add to warranty information for 160hp engine models
Current Activities: Change date of Certification to beginning of 2009
Purchase Agreement Add to warranty information for 160hp engine models
      
February 28, 2008  
ECONOMIC COMPARISON Update Economic Comparison pages based on
   current fuel prices
November 09, 2007  
HOME PAGE New Cessna 337 joins the DeltaHawk fleet
   
September 24, 2007  
FTP Site: Moved the main files from the FTP site to Rapidshare
    
August 2, 2007  
TOP_TEN_QUESTIONS Add Top Ten Questions from Oshkosh 2007 to Q&A page
   
April 27, 2007  
Current Activities: FAA Certification progresses
FOR BUILDERS (Page 2 of 2) Update to Fuel and Oil Diagrams on FTP Site
   
January 26, 2007  
HOME PAGE DeltaHawk trip to LoPresti meeting in Vero Beach
    
January 8, 2007  
Current Activities: Information about Johnson Aviation Insurance
QUESTIONS & ANSWERS: Insurers of the DeltaHawk Velocity
   
December 17, 2006  
HOME PAGE First run of the Left-Hand/Reverse Rotation model engine
Current Activities: Story about the Left-Hand/Reverse Rotation model engine
     
October 20, 2006  
HOME PAGE

New Test Site for long term trailer testing.

Current Activities: Story about new test site
    
October 4, 2006  
QUESTIONS & ANSWERS: Questions about cold weather starting added
FOR BUILDERS (Page 2 of 2) Update prop flange and coolant diagram PDFs
   
September 28, 2006  
many pages Change index on left of page. Delete obsolete pages
HOME PAGE Photos of Cooling Towers and Dyno Water Tanks
Current Activities: Status of endurance testing and 2006 activities
    Split STATUS into Current Activities: & About DeltaHawk
      
September 7, 2006  
FTP Site: New exhaust system files
   
August 21, 2006  
HOME PAGE  Post Oshkosh photo and message
   
July 10, 2006  
HOME PAGE  AirVenture 2006
PRODUCTS:  Explanation for absence of prices on web site
    
May 2, 2006
SUGGESTIONS FOR BUILDERS: VELOCITY INSTALLATIONS for radiators
   Updates to Cooling section of Q & A pages
April 18, 2006
Sun 'N Fun Story DeltaHawk had a great time at Sun 'N Fun
  
March 24, 2006
HOME PAGE  Sun 'n Fun booth LD-6 April 2-10, 2006
    MT Propellers certifies use with DeltaHawk engines
NEWS CLIPS: Article in Milwaukee Journal-Sentinel March 23,2006
  Projects beginning in partnership with Embry-Riddle
   
January 19, 2006
ECONOMIC COMPARISON Update Economic Comparison pages based on
     current fuel prices
   
December 16, 2005
HOME PAGE  All that has happened lately at DeltaHawk Engines
M.E.L. Mobile Equipment Laboratory goes into service
MT Propeller MT Propellers installed on test Velocity and trailer
 
October 19, 2005  
CONTACTS: Added South American distributor
ECONOMIC COMPARISON Update Economic Comparison pages based on
  current fuel prices
   
August 4, 2005  
Oshkosh 2005 Photos Story of AirVenture 2005 and photos
    
July 20, 2005  
SUGGESTIONS FOR BUILDERS: Earl's has discontinued the Fuel Filler p/n 180195
   
July 18, 2005  
HOME PAGE  Invitation to AirVenture 2005 in Oshkosh, Wisconsin
    
June 26, 2005  
HOME PAGE  DeltaHawk presentation at Paris UAV Conference
PARIS 2005 Photo of Doug giving the DeltaHawk presentation
ARCHIVES PAGE: Moved recent Fuel Economy news to Archives
    
June 20, 2005  
SPECIFICATIONS Expanded explanation of the 14/28 Volt system was placed in the Questions and Answers pages to clarify the changes we recently made to the specification.
SUGGESTIONS FOR BUILDERS:
QUESTIONS & ANSWERS:
NEWS CLIPS: General Aviation News Article  April 22, 2005
    
June 14/17, 2005  
SPECIFICATIONS Changed references to 14 volt systems
SUGGESTIONS FOR BUILDERS: Updated some temperature monitoring suggestions.
Changed references to 14 volt systems
     
May 11, 2005  
PERFORMANCE:  Updated Flight Performance Comparison charts
    
May 3, 2005  
NEWS CLIPS: General Aviation News Article  April 22, 2005
PRODUCT STATUS: DeltaHawk joins UVS International
   
April 21, 2005  
PERFORMANCE: Added Flight Performance Comparison charts
     
April 21, 2005  
PRODUCT STATUS: Australian Airshow announcement
    
December 28, 2004   
PRODUCT STATUS:  2004 In Review - Accomplished more than we thought
ARCHIVES PAGE: Moved rest of STATUS page to Archives
      
November 17, 2004   
 NEWS CLIPS:  See latest media coverage of DeltaHawk in the Milwaukee Journal Sentinel  
   
September 8, 2004  
PERFORMANCE: Added latest BSFC and Fuel Consumption charts
PHOTO PAGE: Updated Photo Page with newer photos and deleted some old photos
    
August 6, 2004  
HOME PAGE Back to work after Oshkosh
      
July 19, 2004  
PRODUCT STATUS: Pre- Production Engine Tested
    
May 19, 2004  
PERFORMANCE: Altitude Performance chart added for altitudes up to 35,000 feet MSL
      
May 17, 2004  
HOME PAGE Members of EAA Chapters 414 and 217 visit DeltaHawk Facility
     
May 7, 2004   
PRODUCT STATUS:    Catch up with news about the Deposits.
UAVFLIGHT      HEAVYFUEL Add pages for UAV and Heavy Fuels.  Identical for now. Will expand later.
     
April 15, 2004  
NEWS CLIPS: Article in Aircraft Maintenance Technology magazine and AMTonline.com
NEWS CLIPS: Article in The Southern Aviator magazine and southern-aviator.com
   
April 9, 2004  
FOR BUILDERS (Page 2 of 2)  Added direct links to Equipment List, Center of Gravity drawing, Fluid Flow charts
   
March 25, 2004   
EAA Chapter 838 Pancake Breakfast John Batten Airport (RAC) in Racine, WI.    SE WI AVIATION MUSEUM (free)
   SEE THE DELTAHAWK DIESEL POWERED VELOCITY FLY
    
March 24, 2004    
NEWS CLIPS: Racine Journal Times DeltaHawk article: Fueling a Recovery by Mick Burke
     
March 21, 2004   
PRODUCT STATUS: March 21, 2004:  Testing and Development Report:  Work has been proceeding on four fronts.
     
March 3, 2004  
PRODUCT STATUS: Update with recent High Altitude and Cold Start testing news.
NEWS CLIPS: Sport Aviation article in March 2004 issue.
    
February 24, 2004   
HOME PAGE DeltaHawk’s Velocity test aircraft flew to 18,000 feet MSL on February 17, 2004
    
February 4, 2004   
HOME PAGE Unassisted Cold Start Test Successful
    
January 29, 2004   
 HOME PAGE CAD drawings of Engine and Exhaust Systems available on FTP Site in STEP and IGES formats.  
    
January 16, 2004   
HOME PAGE               Meeting Photo 1
Meeting Photo 2
Doug Doers, DeltaHawk Chief Engineer, spoke at the January meeting of the SAE Milwaukee Section on the 15th.  
    
January 6, 2004   
HOME PAGE    

NEWS CLIPS:  

Doug Doers, DeltaHawk Chief Engineer, will speak at the January meeting of the SAE Milwaukee Section on the 15th.  We have permission to show their newsletter for more information about the meeting. WARNING: it is a 700 kilobyte Adobe PDF file.     
SAE MILWAUKEE
     
January 5, 2004  
PRODUCTS: Welcome to European Distributor MP Service   http://www.deltahawkengines-europe.com/
    
November 21, 2003  
HOME PAGE  An agreement reached between Jerry Mehlhaff, President of American Champion Aircraft (ACA), and Diane Doers, President of DeltaHawk Engines LLC, will lead to the installation of a DeltaHawk DH160A4 turbo-diesel in an ACA Explorer airframe.
  On 12 November, Doug Doers gave a presentation to the Los Angeles chapter of the American Helicopter Society
       
November 19, 2003   
 CONTACTS: Added Contacts Page
      
November 17, 2003   
NEWS CLIPS: General Aviation News Article about DeltaHawk       November 7, 2003
    
November 13, 2003  

Line Drawings

Updated the ISO, Front, Side and Top views of engine to reflect latest design.
   
November 11, 2003       
HOME PAGE Brochure/Slideshow Brochure that was created for the air show in Oshkosh.  If you were at Air Venture 2003, you could have seen these panels on pylons at the Velocity booth where we were displaying our First Flight Velocity with the DeltaHawk 160 V4.
   
November 5, 2003      
HOME PAGE  All pages at bottom DeltaHawk has recently restructured our corporate organization in preparation for the beginning of production. As a result, all business will be conducted through "DeltaHawk Engines LLC" in the future. All phone numbers and email addresses will remain the same.
   
October 10, 2003     
HOME PAGE                  NEWS CLIPS: See latest media coverage of DeltaHawk in the Milwaukee Journal Sentinel  
   
September 22, 2003    
PRODUCT STATUS: DeltaHawk's first U.S. patent has been approved. Issue date 09/23/03
  DeltaHawk is featured in a segment of NASA-TV about AirVenture 2003
    
September 19, 2003   
HOME PAGE Photo and story about our new testing location on the shore of Lake Michigan.
   
September 01, 2003  
HOME PAGE DeltaHawk announces 180 Horsepower Engine. Testing resumed after Oshkosh.
    
August 29, 2003  
HOME PAGE Photo and story about visit to EAA Chapter 838 in Racine, Wisconsin
   
August 1, 2003
ARCHIVES PAGE: Began collecting the Home Page cover pictures in a single place. Cover picture 
   is the Flight Test Velocity on display at the Velocity booth at Oshkosh 2003.
  
July 27, 2003
ECONOMIC COMPARISON Revised Economic Comparisons based on changes to DeltaHawk prices and
   newer fuel and Lycoming prices
  
July 25, 2003
HOME PAGE Announcement of first "Inverted" run of DeltaHawk engine
   Video of First Flight takeoff
PHOTO PAGE: Development crew with "Inverted" DeltaHawk engine
  
July 18, 2003
HOME PAGE Resumption of Test Flights and simultaneous testing on Test Cart with propeller - 
  See you at Oshkosh! 
  
July 13, 2003
PRODUCTS: Page renamed, some prices changed, Mission Statement moved to Product Status page.
PRODUCT STATUS: Company Mission and Goals moved to this page. AirVenture in Oshkosh coming July 29th.
  
July 8, 2003
QUESTIONS & ANSWERS: Added new questions under Future Models, Performance, Propeller, Velocity Considerations 
PRODUCT STATUS: Standardized the engine weight at 327 pounds with starter. Resume flight tests July 14th.
SPECIFICATIONS Standardized the engine weight at 327 pounds with starter
ECONOMIC COMPARISON Standardized the engine weight at 327 pounds with starter
  
June 25, 2003
HOME PAGE Added Shared Border to all pages with Navigation hyperlinks
  
June 10, 2003
PRODUCT STATUS: Test Program Updates
SUGGESTION FOR BUILDERS: Updated specs and Velocity work-arounds
 
May 29, 2003
PRODUCT STATUS: Test Program Updates
 
May 16, 2003
Free First Flight Video Offer Free First Flight Video Offer for EAA Chapters. Offer expired.
 
May 13, 2003
PRODUCT STATUS: Test Program Updates
 
May 9, 2003
NEWS CLIPS: Article about DeltaHawk's First Flight on AVweb, May 8
 
May 8, 2003
NEWS CLIPS: Article about DeltaHawk's First Flight in Aero-News, May 4, 2003 issue in PDF format
 
May 3, 2003
HOME PAGE

DeltaHawk’s First Flight

PHOTO PAGE: First Flight Photos
First flight of DeltaHawk-powered Velocity First Flight Photo
More First Flight Photos First Flight Photos
Pictures of First Flight   First Flight Photos
PRODUCTS: Customer delivery of  beta engines began in April 2003. 
PRODUCTS: DeltaHawk Vertical Shaft 160 HP V-4 introduced (DH160R4)
 
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