venaleck headquarters grass valley california united states key people president bob davis products aircraft propellers website www.competitionaircraft.com competition aircraft inc founded in 1980 by jack venaleck is an american manufacturer of composite propellers for ultralight aircraft . the company headquarters is located in grass valley california . 1 2 competition aircraft started as a subsidiary of associated enterprises of painesville ohio . the company started producing aircraft propellers in 1983 under the ultra prop brand . the company produces propellers with up to six blades . 1 2 see also edit list of aircraft propeller manufacturers references edit a b purdy don aerocrafter homebuilt aircraft sourcebook page 83 . bai communications . isbn 0 9636409 4 1 a b competition aircraft n.d. . competition aircraft composite propellers for ultralight aircraft since 1983 . retrieved 7 february 2012 . external links edit official website retrieved from https en.wikipedia.org w index.php title competition aircraft & oldid 668392054 categories companies established in 1980aircraft propeller manufacturersaerospace companies of the united states navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 24 june 2015 at 00 57 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view