06 Envelope - Revision history

Andreas at 20:02, 1 July 2016

2016-07-01T20:02:12Z

2016-02-22T09:29:07Z

2016-02-22T09:13:15Z

2016-02-22T09:12:58Z

2016-01-02T15:09:34Z

2015-12-05T13:30:19Z

2015-12-05T13:28:25Z

2015-12-05T13:09:43Z

2015-12-05T13:01:45Z

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		+	The cross fins will be attached exactly where the tube vent is placed. By rolling the tube vent after sealing it, it can be nicely hidden between envelope and fins.
	To seal the envelope, use one of the clips, like shown in the picture. Fold the tube vent several times, to make sure no lifting gas will leak. You can use your wet lips to check if lifting gas is leaking, it will feel cold.		To seal the envelope, use one of the clips, like shown in the picture. Fold the tube vent several times, to make sure no lifting gas will leak. You can use your wet lips to check if lifting gas is leaking, it will feel cold.

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 Envelope = 100 g
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-Set up your silent_runner as shown in the pictures. To connect the parts to the envelope you use TESA sticky tape. Fold one end of each tape, to later remove it easily. If you remove the sticky tape, do it with some care, to not rip the envelope.
+Set up your silent_runner as shown in the pictures. To connect the parts to the envelope you use TESA sticky tape. Fold one end of each tape, to later remove it easily. If you remove the sticky tape, do it with some care, to not rip the envelope. The fins are placed at the rear of the envelope, which is the place of the tube. The tube can be roled after sealing and will hide nicely behind the cross fins.
 You can freely move the motor gondula and battery to front and back, depending on the position of your payload, to level the airship. Use some little ballast thins (coins, lead, etc.) to fine tune the balance of your airship.
 If the airship is filled with lifting gas, make sure your balance it a little heavy (1-2 gram). This way it will come down on it´s own if something goes wrong.

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 The parts you are now going to attach should have the following weights:
 Motor gondula + Electronics + Receiver + Fins = 100 g
 Battery 500 mAh 2S = 32 g
 Envelope = 100 g
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	Back to overview: [[Tutorial i4]]		Back to overview: [[Tutorial i4]]
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		+	The parts you are now going to attach should have the following weights:
		+	Motor gondula + Electronics + Receiver + Fins = 100 g
		+	Battery 500 mAh 2S = 32 g
		+	Envelope = 100 g

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← Older revision		Revision as of 15:09, 2 January 2016
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	Pro Tip2: If you like to have a balloon without wrinkels, you can use your hairdryer (hot air) to carefully heat the inflated envelope in the regions were the wrinkels are. This slightly stretches the material and most of the wrinkels dissappear. This works better for transparent than for silver envelopes.		Pro Tip2: If you like to have a balloon without wrinkels, you can use your hairdryer (hot air) to carefully heat the inflated envelope in the regions were the wrinkels are. This slightly stretches the material and most of the wrinkels dissappear. This works better for transparent than for silver envelopes.
	Caution! If you heat too much the envelope can melt!		Caution! If you heat too much the envelope can melt!
		+
		+	Pro Tip3: If you will fly your silent_runner in difficult areas and you expect some hard crashes, it is a good idea to put a bit of strong tape to the envelope, where the motor gondola is placed. If the ship hits the ground really hard, it can happen that the propeller cuts the envelope, which can be prevented by some strong tape in the area of the gondola. (Pro Tip from Arne)

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 It does not matter if you have a transparent or silver envelope. You can handle both the same way. Before you fill them with lifting gas, test them once with air, to train everything. Once you use helium it´s one stepp trickier since the balloon likes to fly away all the time.
-You can use a hairdryer (cold!!) to fill the envelope. The envelope is full once most of the wrinkels have disappeared and it nicely taut. Be aware, the transparent envelopes are a bit more flexible, so have less wrinkels at the seams compared to the silver ones.
+You can use a hairdryer (cold!!) to fill the envelope. The envelope is full once most of the wrinkels have disappeared and it is nicely taut. Be aware, the transparent envelopes are a bit more flexible, so have less wrinkels at the seams compared to the silver ones.
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-Pro Tip: If you like to have a balloon without wrinkels, you can use your hairdryer (hot air) to carefully heat the inflated envelope in the regions were the wrinkels are. This slightly stretches the material and most of the wrinkels dissappear. This works better for transparent than for silver envelopes.
 Caution! If you heat too much the envelope can melt!