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liuzhou

liuzhou

54 minutes ago, dcarch said:

350 watts and 22,000rpm would be a fun tool in the kitchen. You can really do a lot with that kind of power and RPM.

Do consider this:

A stick blender typically uses what is known as a universal motor. A universal motor needs a lot of ventilation to dissipate heat build up.

The physics  law of energy conservation applies. 1 watt = 3.412 BTUs.

Unlike most other mechanical devices, a stick blender cannot ventilate heat buildup because it needs to be water proof. So 300 watts, at full load (blending thick stuff) 300 x 3.412 = 1023 btus of heat.

 It can get pretty hot to hold on to.

 

dcarch

 

I think the manufacturers probably know that and so, make the handles from heat resistant materials.

liuzhou

liuzhou

51 minutes ago, dcarch said:

350 watts and 22,000rpm would be a fun tool in the kitchen. You can really do a lot with that kind of power and RPM.

Do consider this:

A stick blender typically uses what is known as a universal motor. A universal motor needs a lot of ventilation to dissipate heat build up.

The physics  law of energy conservation applies. 1 watt = 3.412 BTUs.

Unlike most other mechanical devices, a stick blender cannot ventilate heat buildup because it needs to be water proof. So 300 watts, at full load (blending thick stuff) 300 x 3.412 = 1023 btus of heat.

 It can get pretty hot to hold on to.

 

dcarch

 

I think the manufacturers probably know that and so, make the handles from heat insulating materials.

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