1329

Item 1329

DESIGN: SynchroLite ~ Rotor - Hub - 3-blade - CVJ & HS - Bearing - Mast - Torque

Overview of Mast Bearing(s):

The intent of the mast bearing(s) is to allow rotational motion about the X-axis (longitudinal teeter) and Y-axis (lateral teeter), but not allow rotation about the Z-axis (torque) nor any linear motion in any of the three axis.

This page covers ideas for bearing that transmit torque and allow teetering.

Method A:

This may have to be the one ~ if 1341 or another good elastomeric idea does not come up.

Drawing:

Consider the follow Rzeppa CV Joint for the initial torque bearing.

Design Torque:

The maximum torque at each rotor hub is 396 / 2 = 198 ft-lb = 2,352 in-lb.

The bearing might have to have a much-increased strength to handle the rotor generated inplane loads. Note that the masts will absorb some of the loading but this will affect the inter-azimuth phasing of the two rotors, slightly.

Shim - Fiber Layup:

xx.

Elastomer:

xx.

Ideas:

xx:

Method B:

Drawing:

This was the original thought.

This is 1301-C.jpg

The following is the latest idea.

The inner mid shims are one part and it does not deform. It is the central plane.

Maximum angle is 12º plus the fact that the arc is 120º not 180º.

Notes:

If the inner part moved directly up and down there would not be any change in the distance between shims.

Since it moves inward slightly there will be some compression.

Since the xxx rotate the thickness stays the same therefore the distance between the shims will increase. Maybe there will be a comprimize

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Initially displayed: May 28, 2004~ Last Revised: May 30, 2004

The above utility invention is openly and publicly disclosed on the Internet to negate an entity from patenting it, to the exclusion of all others whom may wish to use it. ~ Reference patent law 35 U.S.C. 102 A person shall be entitled to a patent unless - (a) the invention was known ... by others in this country, ..., before the invention thereof by the applicant for patent.