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Hey you all, Wondering what would be the way to go... A friend got an OLD pre 1980 4.2L mercruiser he bought for his boat. I am helping him to install it. the previous owner had it rebuilt and put it away to use later. However the guy never continued his poject. To be sure the engine would not...

Hi all, projects go slow way to slow...and in between **** hapens... I was in the process of rebuilding my my mid 70's - 165 Mercruiser this until last month my basement got flooded with water and mud ... so all engine, carb, electrical, hydraulic parts, drive etc are mosly lost... finding a 165...

need some feedback.... rebuilding an 165hp mercruiser 250CID 6 in line. the specs tell bore size 3.875 (98.425mm) when i measure the bore it gets me 98.35 - 98.40mm measured with a bore gauge... measured it different ways and always get the same... being an mid 70s engine, don't know the usage...

is there a difference between a mercruiser 165 - 6IL -4.1L and a automotive GM 6IL - 4.1L waterpump exept the pricing? I don't want to start a fire again on the automotive/marine parts ;)

this one is in bad shape no? Any thoughts? Is a Delco 1100576 from a 70s 165 hp Mercruiser 250 cid is it possible to rebuild? Here in Europe they are expensive 480€ and can’t seem to find rebuilt ones and don’t want Chinese stuff neither ... am I asking to much ;)

Hi guys been a while since was here last time.... now I am finally here for real... after years of thinking and thinking I got myself a project... it supposed to be a 18ft Fletcher... however I cant seem to find any comparable model on the net. so i stripped the thing down took the 250 CID out...

Any one knows a way to export solid hull to hull lines? any available software? greetz,

hi there, What about the use of PU foam instead of Core-Cell or other for the creation of sandwiched hull. I found out that PU has >90% closed cells and has about same tensile strength and compressive strength as Core-Cell. Could I assume that I can use it for creating a sandwich hull...

Hi to all, how much space do I need at the transom to mount a sterndrive? Let's say a bravo2 drive knowing the cavitation plate height falls toghter with the bottom of the hull. Is it necessary to trim the drive completely up in some case? As this would be my major concern. have a...

Hi to everyone viewing and/or reading. As a beginning amateur designer and a great party lover. I there someone who could miss some entrance card to the Monaco boat show? Or some invitation to one or another party would be nice also. :?: :cool: :?: thx

Could this kind of ALU be used in the inside off a see going hull? whitout getting coroded? It would be hard anodised? any ideas? greetz,

Back from holiday, had time to think and see,... And now I am back on my design. I was once again just wondering: what influence do the chine flats have? I have designed a hull with a 7.45LOA, 2.55m beam, 20 deg constant deadrise for 2/3 of the waterlength the chine flats form a constant...

Some one ever tried to put some kind of bike engine, say Honda CBR fireblade 900cc or + into a small <20 ft runabout. Could use existing clutch and gears, chain and chainwheels under some kind of chain guard cover. I was thinking about this as the IRS got a bit deep into my pocket and I...

Hi there, in a general way what is the apprx outer dimension of an prop hub say in a duoprop setup? Just need to know as I designed a prop strut with an diameter of 100mm are there some sites where to find dimensions etc around props? thx,

Hi anybody knows what amount of torque the gears have to bear in a duoprop installation say Volvo or Mercruiser duoprop. How is this related to reduction ratio of the drive, engine HP, engine Torque, prop? Might be no easy answer!? anybody any experience with building his own parts...

Hi out there, I hope I finaly found the propulsion method I want. As I am designing my boat, I went thru all sorts of propulsion I think the best way to get to move my boat will be using a sterndrive? What do one have to consider if he would like to install such a system? mounting...

found this a few moments ago. http://news.yahoo.com/news?tmpl=story&u=/ap/20050418/ap_on_re_us/cruise_ship_diverted are they more frequent than some 10 yers ago?

Just ran into it on an other thread some time ago. anybody experience with this kind of material. How to impregnate a 10mm thick layer of their spherecore SBC with hand lay-up? what about pros and cons? they mostly compare with balsa and not to foames? greetings,

I found out about a nice Dutch (Netherlands, Europe :) ) company doing their own boat design, providing the kits and plans, and even providing some materials on their site. They do a really nice job I think. I am even considering to buy one of them, before completing my own design. Almost for...

Had some talks with some people and I would like to hear some more about this. When using VAI what could one recomend? Is it enough to have a mold build upon stations spaced at +/- 45cm covered with some 3mm multipex faired and painted, ready to wax with mold release? Or won't this be strong...