its the same
The platypus's spur is sharp and attached to a venom gland in the platypus's thigh. The echidna's spur is blunt, and is not attached to a functional venom gland.
Spur gears are cut with straight teeth. They can only transmit rotation between parallel shafts, and are relatively economical. Bevel gears have teeth cut on an angle. They transmit rotation between non-parallel shafts. Helical gears have curved teeth. They are generally quieter than spur gears, but are generally more difficult to make and more expensive.
The rooster will grow a spur about 2 inches above the back claw and inside the leg. Hens do not grow spurs.
There are no similarities, apart from the fact that the spur is located on each animal's hind legs. The platypus's spur is sharp and attached to a venom gland in the platypus's thigh.The echidna's spur is blunt, and is not attached to a functional venom gland.
The flow difference in gear compares because it spurs for 5 hours.
Spur gears give 180 degree drive, and worm gears give 90 degree drive.
41.6 miles approximately!!! :-)
Spur
What is spur formation?
The echidna has a spur on its hind legs but, unlike the platypus, the spur is not attached to a functional venom gland. The spur is also blunt.
The address of the Spur-Dickens County Museum is: Po Box 303, Spur, TX 79370