Warlock rigger

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Roxyflash

Well-Known Member
Joined
Aug 20, 2003
Messages
1,480
Im building one for a buddy is there a setup sheet that anyone has ?The one thing I need to figure out is the turn fin mount .Most everything else is easy just want to do it right.
 
yes 21 size the sponson have two drilled holes not sure if you put a insert or if theres provisions all ready in place
 
The turn fin does it help to extend past the sponson or mount it to the side of sponson?Also what fin is that?
 
In the pictures above there are two different turnfins. Where you see the yellow rear sponsons that was running the stock curved turnfin. In the pics with the orange rear sponsons I switched to a Raptor turnfin from a P-hydro. I ended up copying the bracket from the Raptor and moved the turnfin rearward to make rudder input less aggressive.
 
I always felt having the fin behind the ride surface was a better pivot point most riggers I ran were like that ,like the older eagle sg I use to run
 

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Did you have any issues with the rear exhaust motor?Like getting the hull to settle without being to flighty
 
No Bruce I did not. My main problem was with the rear sponson design. The low leading edge of the rear sponsons tended to dive when launching the boat and unless you hucked it and pinned the throttle to get on plane immediately it would struggle to get up when water was going over the rears. I ended up shaving off the rear sponsons and made a new pair with a higher on the tub leading edge. This solved the launching issue. Once up on plane the boat was very stable. It is not as fast as some flat plane designs like the JAE or Nexgen but it handles race water nicely and drives consistently. No indication of being flighty.
 
Do you think the launch issue was due to the rear exhaust motor being heavier towards the rear of the tub
 
At least in my setup no, it was the position of the leading edge of the rear sponsons. I know the Roadrunners and other rear sponson style riggers run near identical setups and don't have this issue, but mine would suck the transom down if had a normal launch. I only moved the leading edge up a 1/4" and that solved my problems.
 
The ones are already glued on the tub so I guess I will build it and goe from there
 
where did your buddy get that one? I thought all the turnfin plugs were in before he sent them out
 
A quick fix to a boat that wont get up in the rear is a short 1/2x4 inch ski right at the stuffing tube exit
 
I just checked there is threaded insert in the sponson haven’t started putting it together yet found a turn fin Mark had one that Chris used a zipkitts with a bracket that extends it to correct location also got some mc9 plugs so basically looking for a tank we lost one of are dogs yesterday lost my brother last week been a bad week brother in law went down thought we lost him but he is ok flew him to Iowa city in a chopper.So next week will start on the build so far it has a new cmb rear exhaust with new header and nitro pipe speed master hardware bob violet third channel standard,two micro servos flex shaft h7 prop woods push rod seals.One other thing do you put inserts in the tub to hold sponson tubes down or drill tru tub and use screws tru the bottom or just use collars to hold tubes in place.The way the front tube is do you need to add a piece of wood under the tube ?Looks like there’s just the holes in the side?Theres a gap under the tube.
 
Bruce, the front end is a little unique. In my kit the front boom just slides through the tub without any boom blocks, only the collars to keep the boom from moving side to side. Work's OK, but it would be nice to have more adjustment on the front with blocks and shims.
 
I appreciate you taking the time to answer my questions should be a easy build not like scratch building a hull
 
It was not difficult to build. I saved a bunch of pics of my build as well as others for reference. i can share them below if interested.

I tried looking for a tank drawing, but must have given John Seltzer a hand sketch for my tank.
 
John Selzer built most of them for Jon but Walt Barney build my one I have not had any trouble with them. I had trouble with John
 

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