What happens when you put a blower on a motor?
When you install a blower on your motor and pump up the boost pressure (even to just seven psi), you will in every instance increase the temperature of the air going into the motor. Pressure causes heat, and unfortunately, heat is the enemy of performance. For our performance motor, we strive to supply cool, dense air.
What happens when you change the fuse on a blower?
If the blower works when you change the fuse, you may not be out of the woods yet. When the motor gets old and tired it will draw more current through the wires than a new motor.
How is the RPM of a blower calculated?
The blower is used to move a given cubic feet of air per minute through an air conditioning system. Figure 13-2 In the above diagram, (See figure 13-2) the two pulley sizes are known and the rpm of the motor pulley is known. The motor pulley rpm is read from the motor data plate. Using a ratio the blower rpm can be found.
How much horsepower does a big block blower have?
The 496 stroker was no slouch even before we added the Weiand 8-71 blower, offering 651 hp and 579 lb-ft of torque. Credit the AFR 315 Heads, healthy COMP (blower) cam and Edelbrock/Holley induction combo.
How much does it cost to replace a blower motor?
An HVAC blower motor replacement costs an average of $450 but anywhere from $150 to $2,000 to replace. It doesn’t matter if you have a gas furnace, electric or heat pump, they all use an air handler blower motor to push the air throughout your home’s ducts. Radiated heat and mini-split systems don’t have an air handler.
How does a larger blower motor help my air?
I usually need to add refrigerant to a system that has too large of a blower motor. You want to charge your system so that there is cool gas going back to the compressor and the suction line feels like a cold coke can right out of the refrigerator. The air conditioner should make a 15 to 20-degree difference in the ambient air.
Why does my HVAC blower need to be replaced?
The blower motor is the part of your HVAC system that uses the most energy, so it may very well be the culprit if you see a significant rise in your utility bills. An aging, problematic, or dirty motor has to work harder to properly circulate conditioned air throughout your home, which leads to higher energy consumption.
How big is a two ton blower motor?
On a two ton system that is 880 cfm. This usually calculates out to about a 1/4 to 1/3 HP blower motor.