Several months ago I was drafted into installing a few extra diffuser grilles in a religious building. As I was rockwellanddrillpress trying to screw the diffusers into a boot we had already installed and connected flex duct to, the thought hit me: Why doesn''t someone make a diffuser and boot that you can connect to flex duct from down below, then simply snap the whole assembly into the ceiling? Imagine my surprise to find that Airtec Products Corp. makes just such an item. Their Model rockwellanddrillpress MY diffusers rockwellanddrillpress come in two-way, three-way and four-way configurations. They can accommodate 6-in., 7-in. and 8-in. flex duct and have internal balance dampers. You assemble them below, push them into place and turn screws that spread wings above the drywall

In essence, the U-joint and hub assembly acts as a steerable axle, which is switched between skid-steer and all-wheel drive modes hydraulically through a Hydraforce pressure compensated steer valve controlled rockwellanddrillpress by the Phoenix International electronic controller. "One of the big challenges with a four-wheel steer vehicle or even a two-wheel steer vehicle is that typically you have one hydraulic function activating one of the wheels and then a tie rod going between to lock the wheels together so they''re mechanically linked together," said Krause. "With this vehicle, there just is no room to run a tie rod across, so we had to develop a hydraulic steer valve that would electronically hydraulically link the wheels and perform the tie rod function."

It was an exhibition of stupidity and hubris, but golf architects could help by routing cartpaths where shots are likely to end up, and by installing yardage markers on the paths. We can help, too. When I hit my ball into a hopeless position far from any pavement, I don''t wander around like an amnesia victim. I leave the cart with my partner, sling my bag over my shoulder, and finish the hole on foot. In this technological age of computerized golf carts with global positioning systems that read yardages and keep score, several resorts have begun offering retro caddie services and courses for walkers only.

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