▁h ull . ▁Altern ating ▁layers ▁of ▁ 1 . 5 oz ▁Mat ▁and ▁ 2 4 ▁ ounce ▁w oven ▁ro ving ▁were ▁used ▁in ▁the ▁h ull ' s ▁construction , ▁six ▁layers ▁of ▁this ▁were ▁used ▁on ▁most ▁of ▁the ▁h ull ▁but ▁ 1 0 ▁- ▁ 1 2 ▁layers ▁were ▁used ▁around ▁the ▁ke el . ▁It ▁has ▁a ▁full ▁ke el ▁with ▁a ▁cut away ▁fore foot . ▁The ▁ke el ▁contains ▁enc aps ulated ▁iron ▁ball ast . ▁It ▁also ▁has ▁a ▁long ▁rud der ▁with ▁a ▁cut away ▁for ▁the ▁prop eller . ▁The ▁boat ▁has ▁a ▁can oe ▁sh aped ▁stern ▁ ▁The ▁deck ▁is ▁cor ed ▁fib reg lass ▁and ▁is ▁usually ▁covered ▁in ▁extensive ▁te ak . ▁The ▁coach ro of ▁is ▁treated ▁the ▁same . ▁The ▁first ▁Bab as ▁were ▁supplied ▁with ▁wooden ▁sp ars ▁but ▁many ▁of ▁the ▁boats ▁have ▁since ▁been ▁upgrad ed ▁to ▁al umin ium ▁m ast ▁and ▁bo om . ▁Early ▁Bab as ▁had ▁no ▁lower ▁shr oud s , ▁but ▁these ▁were ▁soon ▁added ▁after ▁a ▁dis m ast ing . ▁The ▁rig ▁is ▁a ▁traditional ▁cut ter ▁style ▁and ▁a ▁characteristic ▁feature ▁of ▁many ▁of ▁Robert ▁Perry ' s ▁boats ▁from ▁this ▁stable ▁is ▁a ▁ 4   ft ▁l amin ated ▁te ak ▁b ows prit ▁which ▁supports ▁the ▁forest ay / head s ail . ▁A ▁large ▁platform ▁s its ▁on ▁the ▁b ows prit ▁supporting ▁two ▁anchor ▁roll ers , ▁a