I finished my first ever boat build this summer, a 15.5 foot flat-bottom sailing dinghy named Hum. The existing sail as suggested by the designer is the 76 square foot (7.1 square meter) lateen rig from a Sunfish. We had two really fun family trips this fall and I learned lots about how the rig works with the boat. The good news is that everyone had fun and we got home safe and learned to sail on a reach and a run. The bad news is that we didn’t have as much luck sailing upwind and when we had to get back to the dock on time going upwind, we needed to drop the sail and row. The really awkward news is that the 14 foot long booms of the lateen sail can’t stow below the sheer because they hang over the stern and then it is very difficult to row efficiently. (See the second photo for an example launching from the dock.)
This winter I would like to re-rig the boat for a better experience mixing rowing with sailing. I am in love with junk rigs and the JRA and would like to seriously consider how a junk rig could meet my needs. (Another option would be to buy or make from a kit a balanced lug sail like many sail-and-oar dinghies have these days.)
Here are what I think my needs are:
A. I need to be able to lower the sail and still be able to row efficiently.
B. I need to be able to rig the boat from cartopped to sailing in a reasonable amount of time, say 30 minutes or less. (Yes, I cartop a 4.7m boat that weighs 50kg, see photo.)
C. I need to be able to pack the sail alongside the hull on top of the car (see photo). Right now I roll the sail around the boom and mast and tie a chain sinnet around the bundle with the sheet and halyard.
D. I need fairly simple running rigging as a beginning sailor in a small boat with lots of kids. This summer I managed a main sheet and a tiller in my two hands but just barely.
E. I need to be able to afford the new sail and spars and mast. My budget for this is in the neighborhood of $300, which is around 60% of what the rest of the boat cost to build so far.
I have done lots of JR reading including most of PJR, Arne and Slieve’s design notebooks and the last 25 issues of the Newsletter, especially the dinghy issue. Here are some of the possibilities I am considering:
1. A split-junk rig with running topping lifts. That should let me row while the sail bundle sits over my head, maybe even reefing up for the first reef? My concerns are around rigging time and complexity for the topping lifts, halyard, and yard hauling parrel. I also don’t have a good sense of how large and heavy the sail bundle will be to pack up.
2. A barrel-cambered junk rig, otherwise similar to the previous choice. I have a hard time as a JR beginner keeping track of just how many lines the Arne-style sail is going to have for me to handle in a small boat. I think that the Ah-Sup sheeting system as described in the newsletter should allow a single mainsheet in hand while still allowing anti-twist adjustment.
3. An Aerojunk. I really like the simple sheeting system that runs down through the batten ends, and the single halyard. I think that with topping lifts, it should be possible to drop it and still row with the large bundle of framework battens above my head? I am concerned about being able to pack the sail bundle onto the top of the car and with the cost of aluminum tubing and other metal parts, I'm also worried about overall cost.
Does anyone have any feedback on how to choose among these options for a small sail-and-oar dinghy? What would you choose from your much-vaster-than-mine experience? Would anyone want to speak in favor of the balanced lug and giving up on all the JR complexity in this particular situation?
Thanks in advance for any tips and ideas you can share. And thanks already for all of the valuable materials that so many of you have produced and made available through the JRA.
-Neil