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Old 02-27-2009, 10:01 PM   #21
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread


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Here's the stock motorbox parts. The weight was 1lb 15.6oz. We'll see what the finished box comes out at (my guess is a weight savings of 10oz... time will tell.

I made some progress tonight, but my scroll saw was too loud and kept waking up the kids, so I'll have to finish the cut-outs next week when the family is away.

As for the design of the cut-outs -> they are a mix of Steve Johnston's latest design and Built By Walt's design, plus I incorporated some webbing in the motorbox sides for a round fuel tank and future canister mounts, if required.... the details will become evident once the box is together.

Since I can't cut the rest out until next week, I'll get started on the fuse sides!
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Old 02-27-2009, 10:40 PM   #22
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

Ahhhh that's what I like to see..... Less Wood..... is Good!

Hey Trev next care package i'll put some earplugs in for the boyz!

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Old 02-28-2009, 01:31 PM   #23
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

A farily productive afternoon of building -> fuse side are all done and ready to be mated to the motorbox. Now if I could only figure out a quiet way of finishing the lightning of the motorbox!!

One modification as requested by Jim was to put 2 hardwood blocks in each side of the tail, since I will be building the stabs with tabs on the root caps. There was no weight added though, because I cut the supplied blocks in half to make small ones.

In my Carden Extra build, I was very impressed with the kit quality, but I must say that the the new wood supplier for Carden has taken their kits to a new level... from now on, I will only build Cardens!!
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Old 03-01-2009, 12:17 AM   #24
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

Hmmm...This brings back some memories!

Sam
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Old 03-01-2009, 12:34 AM   #25
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

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Hmmm...This brings back some memories!

Sam
Just a little smaller.
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Old 03-01-2009, 12:13 PM   #26
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

Good news Jim... Jen wanted to see the build progress so she let me finish the motorbox lightening while the boys were awake this morning!!

Here is the lightened weight - 1 lb, 4.8 oz... that's 10.8 oz of weight savings.

Also, to date I haven't touched the firewall, but as you can see it's 4.8 oz. When the SWB 2.5 degree motor mount shows up at my door next week, I'll put the firewall on a serious diet also and I bet I can take off another 1.5oz easily!
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Old 03-01-2009, 12:17 PM   #27
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

The boys are off to their afternoon nap, so I got the motorbox clamped to the workbench and (4) peices glued together with 30 min epoxy.

A huge kudo to Carden again -> the plans are amazingly accurate and the plywood peices are cut out amazingly precise. All surfaces lined up straight and square!
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Old 03-01-2009, 08:17 PM   #28
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

Trev, could you run 2 smaller tanks side by side and then place them on the cg? Say 16 oz
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Old 03-02-2009, 04:34 AM   #29
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

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Trev, could you run 2 smaller tanks side by side and then place them on the cg? Say 16 oz
Hey Brian!

Yep... you could probably do that. I think there is enough width in the motorbox to make that work. I've never done this set-up though. Is there any issues with reliablity (lots of connections for air, etc)??
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Old 03-02-2009, 04:36 AM   #30
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Re: 32.5% Carden Baby Yak - BBT! - Build Thread

Motorbox tabs were glued last night and left to cure overnight. I also got the firewall marked for the correct offset position, but have not glued it in yet, since I'm waiting for the SWB motor mount to arrive.

Cheers

Trev
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