rudder question

[bustitup]

go you think a sv27 rudder would work properly on a 33" df copy

trying to see how cheap i can build it...or would i be wasting my time


its not a new hull or anything special

[SJFE]

I dont see why not. Just mount it a little lower on the transom for some extra bite.

[properchopper]

DF 33's [or a copy like mine] tend to nose hunt or spin out badly with short rudders. Mine did with a stock Speedmaster-drove me nuts (like the steering wheel on my belly :laugh:) - Until I installed a .21 nitro rudder trimmed @ 5/8".

Check how it now handles with the longer rudder :

http://www.youtube.com/watch?v=8iXfluPi8To

[Flying Scotsman]

DF 33's [or a copy like mine] tend to nose hunt or spin out badly with short rudders. Mine did with a stock Speedmaster-drove me nuts (like the steering wheel on my belly :laugh:) - Until I installed a .21 nitro rudder trimmed @ 5/8".

Check how it now handles with the longer rudder :

http://www.youtube.com/watch?v=8iXfluPi8To

This brings up an interesting question. On a mono hull is there a start point for rudder length beneath the bottom of the V hull. That is with the hull COG in a neutral position.

Douggie

[ozzie-crawl]

i an one of these on my df,worked perfectly and a good price http://www.offshoreelectrics.com/proddetail.php?prod=ose-80050

[LuckyDuc]

I've been told that the optimal rudder length should be approximately 1.5" below the arc of the prop.

[tth]

I agree with Tony on this one. I have a Speedmaster .21 on my Delta Force 33. I cut 3/4 off the bottom and all is wonderful now. Here (http://www.offshoreelectrics.com/proddetail.php?prod=ros-21-rudder) is the rudder. I know its not the cheap way to go but this is what Doug Smock recommended to me a few moons back.