GRAPEVINE — Dozens of AmTryke therapeutic tricycles will be distributed to disabled youth and injured veterans at the national AMBUCS convention in Fort Worth that begins today.Darrell Green, president of Grapevine AMBUCS, is honored to have played a part.On July 13, about 80 members of AMBUCS and their families gathered in Grapevine for a “Huge Tryke Build” to assemble AmTrykes for the organization’s July 24-27 national conference. The AmTrykes will be donated to soldiers and youth with disabilities. “It’s a great group of people and it’s a lot of fun,” Green said. “When you see a small disabled child ride with their brothers and sisters, there’s not a dry eye. It gets you.” AMBUCS is a non-profit service organization dedicated to “creating mobility and independence for people with disabilities.”The name AMBUCS initially was an acronym for American Business Clubs, but now stands on its own. The first chapter was founded in 1922 in Birmingham, Ala., by William L. White. Established in 1994, AmTryke is owned and operated by National AMBUCS. Most of the trykes are bought by AMBUCS volunteer members.The AmTrykes can be hand and/or foot operated, and can be used by riders with various physical limitations.More than 15,000 AmTrykes have been distributed around the world. Bruce Burns, an Irving realtor, said he served in Vietnam and “was lucky” he didn’t need an AmTryke, but was “honored to be making them” during the Huge Tryke Build. Greg Sippel of Southlake brought his sons Cutter, 12, and Wyatt, 10, to teach them the importance of helping others. The energy broker and his children were assigned to filling tires, and got a thumbs up from others when they put in “the perfect amount of air.” “We want to help kids who can’t walk and soldiers,” Wyatt said. Two Grapevine AMBUCS chapters — the other is Grapevine Heritage — hold fundraising events throughout the year to finance AMBUC programs. “The delight on the faces of children and veterans receiving these tricycles, many experiencing mobility for the first time, is very moving,” said Gayle Hall of Grapevine AMBUCS.