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fan reversal
- Thread starter StanProff
- Start date
Bob Denman
New member
And prior models too; they just seemed to lodge the most heat-related complaints... 
pps:
pps:
Fan reversal
I have read most of the messages pertaining to the fan reversal idea.
It is a great idea, but the concept to activate the reversal seems complicated, in my mind anyways.
Anybody think of using the brake as a possible way of controlling the fan.
I usually use my brake in traffic, start and stop, or when slowing down, so taping into the brake light, to trip a Double Pole Double Throw relay, should work.
In essence, if you are moving the fan blows as it normally does, if you stop the fan reverses.
Dom
I am slowly getting parts to do mine too... but at -8 degrees out it's too hard to get too excited about it
Hopefully by the end of March we will get some heat around here.
I have read most of the messages pertaining to the fan reversal idea.
It is a great idea, but the concept to activate the reversal seems complicated, in my mind anyways.
Anybody think of using the brake as a possible way of controlling the fan.
I usually use my brake in traffic, start and stop, or when slowing down, so taping into the brake light, to trip a Double Pole Double Throw relay, should work.
In essence, if you are moving the fan blows as it normally does, if you stop the fan reverses.
Dom
Bob Denman
New member
But what if you tapped your brakes at highway speeds? :shocked:
There'd just have to be some sort of a delay in the system to allow for the function of slowing down from speed... (For example; for a sharp turn during a "spirited "ride.)
There'd just have to be some sort of a delay in the system to allow for the function of slowing down from speed... (For example; for a sharp turn during a "spirited "ride.)
Bob Denman
New member
...Stopped in traffic; it'd be just fine... :thumbup:
Gundam
New member
Sorry for the long delay in posting folks, but work that brings in the cash must come first, got my hands full for the time being.... my system is working well so far, I haven't really got a chance to ride on a long deserted road to test exactly the speed at which switching points for fan reverse and forward occurs but from normal riding to and from work and glancing between the indicator lights and speedometer occasionally, I would say that it switches back to normal fan direction at around 40 km/h, but far more important is that it switches back to reverse at around 30 km/h... a difference of 10 km/h instead of the previous 2 km/h, which is good, so that rapid switching between on/off states of the relay is avoided.... the area of the paddle switch has been reduced to about 50mm by 80mm from a previous size of 76mm by 100mm..... I will find time to do some more testing before deciding whether to reduce it some more or leave it as it is....
In reply to poordom, and for the rest, my system works like this.... once you got stuck in heavy or stop & go traffic or you feel your right foot is getting too hot for comfort, just flick a switch and the cooling fan reverses direction and blows hot air from the radiator forward and away from your right foot.... the fan will continue blowing forward as long as your speed is below about 40 km/h, once your speed goes above 40 km/h the fan automatically switches back to the normal direction.... you can leave the switch as it is or if you are constantly riding at highway speed then you can flick the switch back to the normal mode, that is, no fan reversal... my system also has another override mode, where you can switch the cooling fan to run all the time, this has the advantage of at least bringing down the coolant temperature by one notch on the digital display from the usual 5, and the difference can be felt!.... so far, all I can say is, it works!....
In reply to poordom, and for the rest, my system works like this.... once you got stuck in heavy or stop & go traffic or you feel your right foot is getting too hot for comfort, just flick a switch and the cooling fan reverses direction and blows hot air from the radiator forward and away from your right foot.... the fan will continue blowing forward as long as your speed is below about 40 km/h, once your speed goes above 40 km/h the fan automatically switches back to the normal direction.... you can leave the switch as it is or if you are constantly riding at highway speed then you can flick the switch back to the normal mode, that is, no fan reversal... my system also has another override mode, where you can switch the cooling fan to run all the time, this has the advantage of at least bringing down the coolant temperature by one notch on the digital display from the usual 5, and the difference can be felt!.... so far, all I can say is, it works!....
Gundam
New member
Pictures of the installed air flow paddle switch
The pictures show the air flow paddle switch used to control the direction of the cooling fans.... neatly installed inside the right hand side tunnel, not visible at first glance.... the box houses the switch which is fitted to a L shaped bracket mounted at the roof of the tunnel, the paddle hangs below it.... the speed at which the switch activates can be changed by altering the size of the paddle... so far it works well, now to see how reliable is the various components....
The pictures show the air flow paddle switch used to control the direction of the cooling fans.... neatly installed inside the right hand side tunnel, not visible at first glance.... the box houses the switch which is fitted to a L shaped bracket mounted at the roof of the tunnel, the paddle hangs below it.... the speed at which the switch activates can be changed by altering the size of the paddle... so far it works well, now to see how reliable is the various components....Similar threads
