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    • All Forums >> RC Airplanes >> Kit Building >> RE: BTE Delta Vortex Construction Photos
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    RE: BTE Delta Vortex Construction Photos - 1/13/2004 1:02 AM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		some acupuncture

    by the way the blue tubing you can see in the wing is the pitot line of the eagletree stuff

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    RE: BTE Delta Vortex Construction Photos - 1/13/2004 9:47 PM   
    Strykaas



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    Status: offline     		SalmonBug,

    Will you install gear doors ?

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    RE: BTE Delta Vortex Construction Photos - 1/13/2004 9:52 PM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		yup they are in the hoven, but i'll first fly the bird without them and see. I plan to make a nose gear door acting as speedbrake

    I just ordered a spiner from tru turn for this bird 2-7/8 3 blades with custom cutting to fit a graupner 14/7
    costed me around $100 including shiping charges

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    RE: BTE Delta Vortex Construction Photos - 1/13/2004 11:22 PM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		some peoples feel confident enough to make this kind of cuting without making a cardboard template, not me.......

    the engine box bottom is normaly in 1/4 balsa. With the cut I will make for the nose gear I was a bit concerned about the integrity of the piece, that's why a rebuilded it by making a lamination of 1mm ply and 5mm balsa (this make around 1/4 inch)

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    < Message edited by SALMONBUG -- 1/13/2004 7:40:29 PM >

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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 12:47 PM   
    Mike Wiz


     

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    Status: offline     		Well, no retracts here on mine, just a simple DV built per plan. Since I took a break from building over the holiday season it's been awhile since my last post.

    Here she is after covering. All that's left to do is the final radio installation, gap sealing and balancing.

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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 12:48 PM   
    Mike Wiz


     

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    Status: offline     		Here's one shot of the bottom.

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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 12:55 PM   
    SALMONBUG



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    Status: offline     		wonderfull bird can't wait to read your maiden flight report

    how does she balance ?

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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 1:27 PM   
    Mike Wiz


     

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    Status: offline     		Well, since it's mid winter here in the Water Winter Wonderland (Old slogan for Michigan) it will be awhile before I do the maiden flight thing.

    As for balance, it was pretty tail heavy before I covered it. So, I installed about 10 oz of weight in the TE and a large battery (4x2600mAh cells) at the back of the rear hatch area. I haven't gone back and re-checked the CG yet, so I don't know for sure how the final balance will work out. Once I get all the radio goodies back in I'll have to check it again and probably adjust the battery location.

    quote:

    ORIGINAL: SALMONBUG

    wonderfull bird can't wait to read your maiden flight report

    how does she balance ?


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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 6:28 PM   
    Rocketman612



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    Status: offline     		Mike,
    Nicely Done!! What was your final weight with the stock build? Hope your maiden flight goes well. Pete


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    RE: BTE Delta Vortex Construction Photos - 1/14/2004 9:10 PM   
    SALMONBUG



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    Status: offline     		et voila !

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 12:46 PM   
    Mike Wiz


     

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    From: Linden, MI, USA
    Status: offline     		Well after 2 hours of shoveling snow last night I managed to stuff all the radio gear into the DV. That meant I could check the final weight and CG location. My AUW is 7 lbs 12 oz. However, my CG is at the very rear of the recomended range. That tells me that I over did it with the weights in the rear. I can substitute, in a smaller battery and bring the CG forward and loose as much as 1/2 pound.....I think.

    Anyway, it's been a fun project to build and I'm sure it will fly well when springtime comes. In the mean time I have another project to get started on, it's called the Southern X2 or SX2 Funplanes. The construction is very unusual, so once I get it started I post some pictures of that in another thread here in the Kit Building forum.

    I'll keep checking back here to see the progress on your DVs as well.

    Cheers,

    Wiz

    < Message edited by Mike Wiz -- 1/15/2004 8:26:14 AM >

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 2:34 PM   
    SALMONBUG



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    Status: offline     		no problems to route the servo wiring trough the small holes?

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 5:13 PM   
    Mike Wiz


     

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    quote:

    ORIGINAL: SALMONBUG

    no problems to route the servo wiring trough the small holes?



    None at all. Of course, I put the elevon wires in before I covered the plane. The rudder wires I installed by fishing a small dia music wire through the hole and then I taped the servo connector to the end of it and pulled it through.

    Wiz

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 7:48 PM   
    SALMONBUG



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    Status: offline     		It turned out with 3 hatches, one on the bottom of the engine box (like the stock one except he is screwed with six parker screw on small ply square blocks),one equipement control access hatch on top with springloaded lock for easy operation, and a large botom hatch made by laminating a piece of 1mm ply and a piece of 1.5mm balsa (for such a big aera I glue with spray glue). this big hatch allow access to absolutly everithing except the airbottle. I could have closed some more aera on the bottom, but this large hatch makes the acces radicaly easy.
    this large hatch is screwed with 8 parker screw and rest on 2mm balsa sticks glued all the lenght on the inner side of w1 ribs, it's screw on the gear spars and on two transversal small spruce plates
    I had to move the steering servo in the engine box (original planed position was in the back near retract and throttle servo), but I tried for 2 hours to obtain a good steering control without any "play" and without any move of the nose wheel during retraction, without good result. I radicaly solved that by instaling the steering servo in the engine box (need to be a mini servo to clear the wheel).

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    < Message edited by SALMONBUG -- 1/15/2004 2:53:21 PM >

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 8:15 PM   
    Mike Wiz


     

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    Status: offline     		Salmonbug,

    .......is that what you want to be called......Salmonbug?

    The retract installation looks great! It also looks like a lot of additional work and I'm glad I didn't try it myself.

    At this point it looks like you're getting close to covering. Have you chosen a color scheme yet?

    Wiz

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 8:32 PM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		I Have not finished yet, I'll cowl the engine also and I am waiting my spiner (tru turn 3blade custom cut). I wait the spiner in order to give my nose the good shape (so the spiner is the prolongation of the cowl without non estetic change of shape).
    I am also waiting Bruce Tharpe's custom made final touch for my bird (he should ship it this week), but this is a surprise.
    I could have made this touch myself, but because my DV is the first one in my country (confirmed by bruce tharpe), I wanted something special done by the designer

    I think I'll go with "bruce senior" color scheme.

    I want to be called "salmonbug", A salmonbug is a stuff purely aviation dedicated, I work with a salmonbug when I fly 747. the salmonbug is a orange bug on the airspeed indicator showing the speed selected in the autothrottle computer

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    < Message edited by SALMONBUG -- 1/15/2004 3:32:54 PM >

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 8:51 PM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		My only restriction about this color scheme is that it's also one of the proposed scheme of the ARF DV, and as you mentioned (lot of work) mine wasn't really ARF

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    RE: BTE Delta Vortex Construction Photos - 1/15/2004 10:53 PM   
    Strykaas



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    quote:

    it's also one of the proposed scheme of the ARF DV


    You could just swap the red and black colors... That would be the non-arf proof !

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    RE: BTE Delta Vortex Construction Photos - 1/16/2004 8:18 AM   
    MAJSteve


     

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    Status: offline     		Just finished mine - weight at 6.5 lbs with a K&B .61 twister angled so that the tuned pipe is centered on the top. It has about an inch of clearance from the fuse, and is LOUD. I had it on a bipe that I flew for a couple of years on and off so its well broken in.

    I put the engine as far back on the mount as I could and took off one of the point in front to allow for the cylinder head.

    All stock servos, no added weight at all, servos set up per the instructions with two in the tank area. Balances level at the 22 inch mark.

    No retracts, though that's an option later. I have both air and mechanical retracts in a drawer. I figure fly it first and work from there.

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    RE: BTE Delta Vortex Construction Photos - 1/16/2004 4:42 PM   
    HankHill



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    From: Austin, TX, USA
    Status: offline     		I just started mine. Great kit as you know. My question is if built stock; will an OS 91FX with an Ultra Thrust muffler clear?
    BTW the CA that Bruce sell is pretty good stuff.

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    RE: BTE Delta Vortex Construction Photos - 1/16/2004 5:09 PM   
    SALMONBUG



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    quote:

    ORIGINAL: HankHill

    I just started mine. Great kit as you know. My question is if built stock; will an OS 91FX with an Ultra Thrust muffler clear?
    BTW the CA that Bruce sell is pretty good stuff.



    it will be perfect !
    this plane has low wigload and will never be a speed deamon due to the thickness of the profile. overpowering this plane won't give you significant better performances in my opinion.
    The 91 Fx will give you unlimited verticals and will let you enjoy the fully aerobatic capabilities of this amazing delta.

    My plan was to go with a 120 surpass because I was short on the money(I had this engine laying in the workshop). After that I changed my mind and ordered a jett 90 for it. But I think this hig performance engine will be more necessary in a other design. I finaly had a good deal on a 91 FX

    If you plan the instalation of a ultra thrust muffler, you will have to cut in the wing or side mount the engine (side moount also imply you cut a portion of the wing). A stock muffler will clear the wing either with a upright mounted engine and a one inch shortened engine box (for balance consideration)

    < Message edited by SALMONBUG -- 1/16/2004 12:08:44 PM >

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    RE: BTE Delta Vortex Construction Photos - 1/17/2004 1:22 AM   
    SALMONBUG



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    From: kampenhout, BELGIUM
    Status: offline     		went to the LHS with my scale this morning to buy the 1/4 soft balsa sheet and tri stocks to make the cowl. I selected the lightest one on 37........

    here is the cowl rough sanded, the spiner ring is in 2mm ply

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    < Message edited by SALMONBUG -- 1/16/2004 8:28:43 PM >

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    RE: BTE Delta Vortex Construction Photos - 1/17/2004 2:04 AM   
    rc-sport



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    Status: offline     		Mike, did you see the Delta Vortex in this months RC Report? A guy in Florida took the plans and enlarged them 200%! This thing is HUUUGE. He built a 10' X 10' table to use as a building board. He's using a ZDZ80 for power

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    RE: BTE Delta Vortex Construction Photos - 1/17/2004 2:09 AM   
    SALMONBUG



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    Status: offline     		this one?

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    RE: BTE Delta Vortex Construction Photos - 1/17/2004 2:39 AM   
    wounded_bird



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    Status: offline     		Mike, good shots of your construction! I also have purchased the DV . Am looking forward to starting it. How long did it take you to build it. I hear it flies great! Am now finishing a flying lawm mower for my brother-in law and then I plan to start the dV. I have built the Venture 60 by Bruce Thorpe. He puts together a very nice kit and easy to build . Hope your maiden flight goes well. Rich Zaggia

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