Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling - Frame bag the right solution?

My wife and I have just started riding a tandem and I'm trying to solve our storage problem without adding panniers. Our bike or a facsimile thereof is attached. We've got a rear rack with a trunk, but that's not large enough, by itself, to hold food, tools, tubes, .... and the clothing one (actual two) tend(s) to shed. My wife doesn't like to stuff her jersey pockets so that eliminates some possible storage. I can't put a bag under her seat because of the thudbuster.

So - three options being 1)camelback, 2)handlebar bag, and 2) triangle bag.

My take:
camelback(sp?) - uncomfortable for long rides?
handlebar bag - not aerodynamic. I'm also not aerodynamic at 6', 205lbs, but us old folk need every advantage we can get our hands on. May affect handling
Triangle bag - some seem very small. Anyone use these?

We're not touring, but will be doing 100K and 100mi rides. Goal is to do 100mi unsupported rides at maybe 15mph average (6-7 hours in the saddle)

Looking for suggestions from all you very experienced LD riders.

I use THIS FRAME PACK (http://www.jandd.com/detail.asp?PRODUCT_ID=FFP). I fill it with tubes and tools, minipump, and an emergency granola bar, and just leave it on the bike all the time. I suppose you could put 2 of them on your frame. The bag is very sturdy, and more or less waterproof. It's not that big, but perfect for the stuff I listed, leaving the trunk open for clothes and food.

If you have a spare bottle cage on the bike, you could also try one of THESE (http://www.rei.com/product/723319), for cell phones, keys, etc.

Maybe a saddle wedge bag (or 2), too?

Look here (http://www.bikeisland.com/cgi-bin/BKTK_STOR20.cgi?Action=List&SubCategory=Accessories:%20Bags) for Jandd bags. Free shipping and no tax.

Frame bag looks promising. I might be able to give up one of the five water bottle positions (the one holding only a short bottle). Saddle wedge bag would be great, but the thudbuster on the rear post really prohibits attaching a bag and the stoker's stem prevents attaching same to the captain's seat post. The 188 cu. in. Jannd frame bag looks promising.

its debatable that a bar bag actually help with the aerodynamics... look up some BQ wind tunnel articles on it.

hbar bag for the pilot, bento or frame bag for the stoker. both allow access while moving. tailbag or rack bag or carradice for the stuff that you only need if you stop.

We have an Arkel Tailrider and I really like it. If I were on a single that is all I would every need. The Arkel handlebar bag does look interesting.

I use an inexpensive expandable rack trunk; the Nashbar Elite. Fully opened up it's around 950 in^3 of space, plus it has a bungee net on top for bulky items like jackets.
It's not 2 people's worth of stuff that I pack in it, but I always have plenty of room to spare; I imagine I could get 2 people's gear in/on that bag for a 200k.

Here is a frame (http://www.flickr.com/photos/9320902@N04/624448786/)/trunk (http://www.flickr.com/photos/9320902@N04/1375536981/in/photostream/) bag I used to own. I gave/sold them to my cousin. I was able to fit a lot of stuff in the trunk due to it being expandable.

There are frame bags made specifically for tandems. We've been using this one, which you can buy from Tandems East (http://www.tandemseast.com/parts/bags.html). It mounts under the top tube and behind the captain's seat tube.
http://www.tandemseast.com/parts/bags/01.jpg (http://www.tandemseast.com/parts/bags.html)

It's pretty spacious. There is a pocket on each side, plus the main compartment. The only problem is that the main compartment opens with a zipper that goes down the back and then underneath. So, if you open it all the way then everything falls out of the bottom. It might be better if there was a zipper near the top to access the main compartment from that side, so we might add one. Anyway, if you're careful than the standard access doesn't cause too much of a problem, and you can put a lot of the smaller stuff that you need while riding in the side pockets.

PS: Maybe you should post this in the tandem forum?

www.carouseldesignworks.com

lots of options!

http://www.flickr.com/photos/carouseldesignworks/sets/72157611583496386/

handlebar bag - not aerodynamic. I'm also not aerodynamic at 6', 205lbs, but us old folk need every advantage we can get our hands on. May affect handling

Unless your handlebar bag is wider than you are, do not worry about the aerodynamic effects of a handlebar bag at 15 MPH. I use a Detours Metro handlebar bag in the front, which is fairly small as far as handlebar bags go (150 cu/in). I do not find handling changes to be a problem. What I like least about a handlebar bag is the loss of visibility of my front tire, but for the storage it provides, I can live with it. Overall, I think it is a good way to go.

I also have a rear rack and trunk bag on my tandem, a Detours Transit Box (600 cu/in). I am new to tandeming also, and am in TX, so have not needed jackets at this point. But I am confident this will carry leg/arm warmers and jackets for the two of us when needed, along with snacks.

I have a triangle frame bag on another bike, and you are correct that most are fairly small. Much less storage than a handlebar bag. About all they are good for is storing tools/spare tube when other locations on the bike are not a good option.

For you, I'd recommend a second look at a handlebar bag. All kind of size options exist. Perhaps a larger trunk mount bag than the one you currently have may also be an option (perhaps one up to 900 cu/in or larger).

I'm leaning toward a handlebar bag, probably just large enough for my take-off clothing, small digital camera and snacks. We do have a larger trunk, but I really like the Arkel and I'm going to stick with it unless I really need more storage. For shorter rides the trunk is large enough, but for longer, unsupported rides of 4-5 hours I think the handlebar bag will do the trick. Thanks for all the great suggestions!