Assertion: keel | /r/HasProperty | the counter balance
Facets:
value: under the equivalent
type: OTHER
value: to the weight of the mast
type: OTHER
value: under full sail ---lead weight
type: OTHER
Source sentences:
text: a keel is also the counter balance to the weight of the mast under full sail ---lead weight or the equivalent set below the hull--displaces water and keeps the sailboat upright.