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Old May 22, 2015, 09:45 PM
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Question
Bird Of Time

Looking to purchase my first non motorized glider, I want to learn high start and experience the true form of soaring.
I almost pulled the trigger on a BOT but I decided to try it first on my simulator, it seem like a very nice glider until I cranked up the wind to 10mph and then things changed it was impossible to get it to penetrate and either sit still or go up and backwards.
My questions are;
Is behavior true to life with the BOT on 10mph winds?
Where I live 8-10mph is a normal day should I be looking into a different glider?
Thank you in advanced for your advice.
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Old May 22, 2015, 10:02 PM
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Are you planning on buying "ARF" one or Kit Built? Sims are pretty different than real life flight to me. Some those ARF's are tail heavy, so a little weight might help it also.
And if you get it in the Kit, do you have the experience to build it. They recommend you have a few builds under your belt.

I am planning to get the BOT for a Winter build. I don't really like ARF's that much. Mainly, if something goes wrong they do not have the plans, although you can get the plans off of Outerzone.

I had a Airtronics Aquila 99" (Standard Class) back in 1979. I built it with wood glue, it handled the 10 mph wind really good. Where others of that size did not. It was first ever Sailplane that I ever built. And the second plane of my whole life. the first one was the Top Flite P-51B Mustang back in 1976. Never did fly that.
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Old May 22, 2015, 10:26 PM
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Thank you for the reply; I have built several kits in the past but nothing as big as the BOT in this instance I am looking into ARF as I currently do not have a proper building area for a project this size.
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Old May 22, 2015, 10:38 PM
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I custom built a bot a couple years ago. If the wind is picking up just put some ballast in it. But flying in 15+ winds I would go to the slope and thermal fly instead of flatland thermal.
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Old May 22, 2015, 11:00 PM
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Quote:
Originally Posted by bluefork View Post
I custom built a bot a couple years ago. If the wind is picking up just put some ballast in it. But flying in 15+ winds I would go to the slope and thermal fly instead of flatland thermal.
I don't plan on flying on 15mph but like a mentioned 8-10 mph is very typical around here. Good to know about ballast would you be willing to share how you rigged the ballast on yours? Thanks
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Old May 23, 2015, 09:23 PM
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If your flying in 10 or less mph wind I doubt you will need to install any ballast.
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Old May 25, 2015, 04:04 PM
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I think back in the old days, many folks built in ballast boxes in planes of that era and kept range of ballast in their flight boxes.
Dave Thornburg used to talk about swapping ballast depending on need.

Does the software allow you to change ballast loading? I would guess it would be in some sort of options.

I am too cheap to buy software when I can use that money on a vintage kit.
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Old May 25, 2015, 09:37 PM
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Quote:
Originally Posted by RV Winkle View Post
I think back in the old days, many folks built in ballast boxes in planes of that era and kept range of ballast in their flight boxes.
Dave Thornburg used to talk about swapping ballast depending on need.

Does the software allow you to change ballast loading? I would guess it would be in some sort of options.

I am too cheap to buy software when I can use that money on a vintage kit.
Yea I have used ballast box from time to time.
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Old May 25, 2015, 10:55 PM
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I usually tape lead to the bottom of the fuse at the cg point. Another way to solve the problem is to just have more then one glider.
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Old May 26, 2015, 12:10 AM
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Quote:
Originally Posted by bluefork View Post
I usually tape lead to the bottom of the fuse at the cg point. Another way to solve the problem is to just have more then one glider.
Like your way of thinking!
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Old Today, 07:25 AM
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If you are going to use a high start or winch, do NOT get the Dynaflite ARF BoT.
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Old Today, 08:57 AM
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Quote:
Originally Posted by Up&Away View Post
If you are going to use a high start or winch, do NOT get the Dynaflite ARF BoT.
Too late now; but curious as to why?
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Old Today, 10:11 AM
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Definetly don't put it up with the winch. You will fold the wings. Don't full power up the high start eighter. I usually only went 3/4 pull on the highstart.
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Old Today, 10:19 AM
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Quote:
Originally Posted by bluefork View Post
Definetly don't put it up with the winch. You will fold the wings. Don't full power up the high start eighter. I usually only went 3/4 pull on the highstart.

Have ready plenty on this subject and my understanding is that the manufacturer recommends against full power winch launch and that any additional issues with the wings have been corrected. If the glider does not function with the recommended high start then I guess I will get my money back
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