Make a mark through. the axle hole and drill a 1/2 hole, (or the diameter of the axle hole for your wheels), for the axle. bolt in the marked position. Cut off the end so the edge closest to the axle hole is 32 1/2 long as shown.
What causes a rapid heart rate? A: According to WebMD, a rapid heart rate, also referred to as heart palpitations, can be caused by a variety of factors, including anxiety, the use of stimulants or caffeine, stress, and hormonal fluctuations during pregnancy.
Heart rates of more than 100 beats per minute (tachycardia) can be caused by: 1  Exercise or stress. This fast heart rate usually returns to normal range (60 to 100 beats per minute) with rest and relaxation. 2  Illnesses that cause fever. When the cause of the fever goes away, the heart rate usually returns to normal. 3  Dehydration.