Lower Grill block that can open and close

[Daox]

Yeah that looks good. You will have to make that a momentary switch though. The actuators, when powered just continue to try to go. Eventually they'll overheat and die. So, you'd need to flick the switch for 1-2 seconds and then let go.

[Weather Spotter]

I was drawing that up assuming a 3 position (duel action) switch with the middle being open (off). If I can not get a duel action one I can just use 2 singe (3 position) switches.

About the pivot and arm, can you draw something up after work (I am a visual guy, so I need picts).

[3-Wheeler]

Originally Posted by Weather Spotter

....I am thinking of a sliding door with slots (but that is just at the moment)....

The sliding door approach is fine if you don't need more than 50% of your radiator area remaining for cooling.

No matter how a sliding door arrangement is configured, the maximum remaining flow area is only 50% of the original.

Just something to keep in mind with this type of design.

I personally favor rotating slats. It gives you closer to 100% flow area depending on how thick the individual slats are and how many, but is more complicated to fabricate.

When I do an adjustable cooling duct, it will be with slats.

Jim.

[Weather Spotter]

How about doing a rotating door. have it rotate along the long axes at the middle of the door have two actuators with wire wrapped around a pulley. when one is out the other is in. Then it will pulling open or shut. when open it would be parallel to the ground.

Would that work?

If I stay with the slats, if I make two sliding doors stack on each other, I could have each open 1" for a total open of 2" for each 1" of blocked off space. That would give me all closed, 1/2 open or 2/3 open.

[MetroMPG]

That would work. The Chevy Cruze ECO's automatic grille shutters rotate on an axis, and they're even foil shaped, so more aero friendly when in the open position.



see Cruze grille block discussion starting around post 106 here: http://ecomodder.com/forum/showthrea...4-a-11229.html

[Piwoslaw]

I made two independent sliding vents, each with a power lock motor. But my diesel doesn't need more than 50% of the opening.

[Weather Spotter]

How did you attach the lock motor to the grill block?

[Piwoslaw]

The grille block itself is attached to the car's grille, as are the lock motors. The sliding part is attached to the motor with a short piece of metal (aluminum left over from skirts), with screws at each end. I'll try to get a close up picture of it tomorrow.

[Weather Spotter]

thanks, pics help me a lot. once I see what I need to make I can do it!

[gone-ot]

...a small, light-tension spring and a 12VDC solenoid might also work.