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Joined: 10/27/2003 From: Mohnton,
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I just got the tracking info for a 32% Yak...I should be knee deep in balsa and foam sometime early next week I'm building this one for a friend. I'll be doing a build thread as an easy way to keep him posted on the progress the same as I did with the Cuda. Of course everyone else is welcome to add suggestions, comments or questions.
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Joined: 10/27/2003 From: Mohnton,
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I didn't want to include this Yak construction in the other one started by Steve K. Boy would that get confusing, Two Steve's building two Yaks. and it looks like he's doing a great job and I didn't think it would be fair to jump on his coat tails. that being said. The big brown truck was here today and dropped off 4 big boxes. I know it's been said a million times before but I'll say it again. What an awesome kit Dennis puts out. This looks like it's going to be a fantastic plane and I'm anxious to get into it. Like the last two I built it's going to be bittersweet to hand it over to the rightful owner when it's complete.
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This may be a total waste of time but I do this to try to keep the tail as light as possible. but we're only talking "grains" here.
I weigh all the pre-cut vertical truss pieces on a grain scale and then put the lightest ones in the back and move forward as they get heavier. It always happens that I end up with one or two really heavy and one or two really light. this time the lightest was 10.5 grains, the heaviest 28.0 grains. The majority of the them were right around 15.5 gr. since the 28 was an odd ball I will replace it and cut a new piece that comes in closer to the average.
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quote:
ORIGINAL: ibow24
This may be a total waste of time but I do this to try to keep the tail as light as possible. but we're only talking "grains" here.
Steve
Not a waste of time at all. I weighed every stick and every piece of sheeting on my Yak. The goal was to put the rudder servos in the tail and not a pull-pull. Mission accomplished. However you could save some time by getting a digital scale (available at Staple, Office Depot etc). As this task would be much faster. You can borrow mine if you'd like.
.........Mark
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Avoid zen aerobatics...when the ground........and the plane.......become as one.
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Joined: 10/27/2003 From: Mohnton,
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Thanks Mark, I did just purchase my own digital scale. Much better then the old beam grain scale. My neighbor came in while I was weighing those sticks with my little beam scale and he said I looked like a crack dealer getting ready for big weekend sale....I'm a little worried that he knows what crack dealers look like.
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FINALLY...a little time to do a little work on the Yak and post an update.
The fuse sides are finished. Here are a few photos. Nothing different here except my mods to add rudder servos in the rear of the fuse. I'm putting a servo bay in each side of the fuse. The photo shows the basic servo bay however the 1/4 x 1/2 hardwood mount will be added after I sheet the sides.
I do not sheet the fuse sides or add the ply wing tube socket to the fuse at this stage. It's a little hard to explain but I found if you install the wing tube socket now it does not line up exactly where it should when you set the fuse side over the top view and try to line it up with the motor box. for that reason I build the motor box and then set it over the top view and set one fuse side in position over the top view. Slide the wing tube socket into the motorbox, through the fuse socket support and then through the fuse side. make sure everything is square and true and now glue the fuse socket support onto the fuse side. After it drys I do the same with the other side. Now I go back and add the 1/8" sheet to fuse sides. after that I pin one fuse side in position over the top view. Slide a long piece of sharpened scrap wing tube socket through the motor box, through the ply fuse socket support and with a twisting motion I cut a clean hole through the 1/8" sheet. It makes a perfect hole every time. See, hard to explain. I'll take some photos of the steps when I get to it.
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Joined: 10/27/2003 From: Mohnton,
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When it came to the motorbox sides we decided to go a little more aggresive then the plans show but not as aggresive as a lot of guys have been doing. I wanted to leave the area intact from the front of the fuse forward. Even so I shaved almost 9 oz. total cutting out the sides as I did.
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Another 32% Yak build - 
