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Transmission or no?

Old Marine Engine » One and Two Cylinder Gas Inboards » Transmission or no? « Previous Next »

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peapod
New member
Username: peapod

Post Number: 2
Registered: 09-2013
Posted on Saturday, September 07, 2013 - 10:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

When is it necessary to "need" a transmission behind an old marine engine? Or is it just a luxury since you can reverse the direction of a 2 cycle motor?
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bruce
Senior Member
Username: bruce

Post Number: 402
Registered: 07-2002
Posted on Sunday, September 08, 2013 - 11:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

My Fay Bowen engine 2 cycle was designed for use with a reversible prop and will not run in reverse. Some Mercury outboard motors in the 60's didn't have FNR transmissions and were called dock -busters. FNR transmissions prevent Chinese fire drill landings..
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jb_castagnos
Senior Member
Username: jb_castagnos

Post Number: 830
Registered: 07-2002


Posted on Sunday, September 08, 2013 - 12:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

We run our bateau's without transmissions, the safest thing to do is to "brake it down" a ways from the dock. If you miss reverse it takes off wide open in forward. Forward motion of the boat tends to keep the motor running forward making it harder to get it to reverse, the faster the worse. Slowing down ahead give extra time in case you miss, once creeping forward and reverse is usually easy, if you do miss it won't be catastrophic. I had one incident with a near dead battery in my boat and for some reason the engine wouldn't reverse, had to repair the headblock of the boat.
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keith
Senior Member
Username: keith

Post Number: 399
Registered: 02-2002


Posted on Monday, September 09, 2013 - 01:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I watched some longer inboard boats with prop and rudder maneuver in tight quarters this past weekend at the Buffalo ACBS show. It would take up to 15 forward and reverse moves to make a 90 degree turn. Reverse Gear is the safe way to go.
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raa
Senior Member
Username: raa

Post Number: 58
Registered: 02-2007


Posted on Monday, September 09, 2013 - 03:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I put another 2 hours on Lake Geneva with the Tuttle this morning and it sure is nice to use the variable pitch prop when coming into a dock or launch area. Just ask John Smetana about guys with no transmission or neutral bet he would give you a ear full!

cheers

Dick
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peapod
New member
Username: peapod

Post Number: 3
Registered: 09-2013
Posted on Monday, September 09, 2013 - 11:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

How hard are these viriable pitch props to find? Searcher has sent me photos and they look complex and "rare" looking.
Still would like to know what size engine I would need for my 16' peopod.
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gregoryan
Senior Member
Username: gregoryan

Post Number: 111
Registered: 09-2004


Posted on Tuesday, September 10, 2013 - 01:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

lol; Re; Bruce; Some Mercury outboard motors in the 60's didn't have FNR transmissions and were called dock -busters. FNR transmissions prevent Chinese fire drill landings..
Maybe if you go for the reverse-less option - name the boat "DockBuster" lol
...altho ive managed with just maggy's-reverse and a clutch - but then i'm the engineer- hobbyist type that likes to reverse on the spark
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bcm
Senior Member
Username: bcm

Post Number: 53
Registered: 11-2009
Posted on Tuesday, September 10, 2013 - 08:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Another option.

Barry

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peapod
Member
Username: peapod

Post Number: 4
Registered: 09-2013
Posted on Thursday, September 12, 2013 - 11:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks everyone for their response. I need to attend some shows to see if I can even find one of the options you've mentioned.
Still looking for a small engine for my 16' peapod if anyone has one out there.
Thanks,
David

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