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#1
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New Glider Dream Elon Musk Flow
On Monday, February 12, 2018 at 3:37:12 PM UTC-5, J. Nieuwenhuize wrote:
... *Reduced battery pack for the FES. Replace that with a 5 HP 4-stroke generator and you loose all drawbacks of FES. - Excellent idea. Use the high-energy-density of gasoline to store energy for the rarely-used operation of a lengthy sustain. Save weight and cost. |
#2
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New Glider Dream Elon Musk Flow
Race cars use spectra as part of the crash protection structure. Wonder why gliders have not copied from race cars?
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#3
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New Glider Dream Elon Musk Flow
You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd?
Probably not needed in typical Sailplane crashes... |
#4
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New Glider Dream Elon Musk Flow
No, and spectra is way too expensive to use for deck lids, fenders... It is in a lay up.
On Monday, February 12, 2018 at 5:44:57 PM UTC-8, Tony wrote: You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd? Probably not needed in typical Sailplane crashes... |
#5
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New Glider Dream Elon Musk Flow
On Monday, February 12, 2018 at 10:07:11 PM UTC-6, Jonathan St. Cloud wrote:
No, and spectra is way too expensive to use for deck lids, fenders... It is in a lay up. On Monday, February 12, 2018 at 5:44:57 PM UTC-8, Tony wrote: You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd? Probably not needed in typical Sailplane crashes... Spectra is a brand name for aramid fibers better know by another name: kevlar. I believe kevlar is used in the cockpits of the "safety cockpit" Schleicher gliders and probably others. A mix of carbon/kevlar seems to be common in the seatpans of new gliders these days. |
#6
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New Glider Dream Elon Musk Flow
Interesting, as in sailing we have kevlar sails, but spectra lines.
On Monday, February 12, 2018 at 8:40:38 PM UTC-8, WB wrote: On Monday, February 12, 2018 at 10:07:11 PM UTC-6, Jonathan St. Cloud wrote: No, and spectra is way too expensive to use for deck lids, fenders... It is in a lay up. On Monday, February 12, 2018 at 5:44:57 PM UTC-8, Tony wrote: You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd? Probably not needed in typical Sailplane crashes... Spectra is a brand name for aramid fibers better know by another name: kevlar. I believe kevlar is used in the cockpits of the "safety cockpit" Schleicher gliders and probably others. A mix of carbon/kevlar seems to be common in the seatpans of new gliders these days. |
#7
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New Glider Dream Elon Musk Flow
On Monday, February 12, 2018 at 9:40:38 PM UTC-7, WB wrote:
On Monday, February 12, 2018 at 10:07:11 PM UTC-6, Jonathan St. Cloud wrote: No, and spectra is way too expensive to use for deck lids, fenders... It is in a lay up. On Monday, February 12, 2018 at 5:44:57 PM UTC-8, Tony wrote: You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd? Probably not needed in typical Sailplane crashes... Spectra is a brand name for aramid fibers better know by another name: kevlar. I believe kevlar is used in the cockpits of the "safety cockpit" Schleicher gliders and probably others. A mix of carbon/kevlar seems to be common in the seatpans of new gliders these days. Spectra is a polyethylene material. Kevlar is an aramid. Mike |
#8
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New Glider Dream Elon Musk Flow
tiistai 13. helmikuuta 2018 6.40.38 UTC+2 WB kirjoitti:
On Monday, February 12, 2018 at 10:07:11 PM UTC-6, Jonathan St. Cloud wrote: No, and spectra is way too expensive to use for deck lids, fenders... It is in a lay up. On Monday, February 12, 2018 at 5:44:57 PM UTC-8, Tony wrote: You mean the tethers that keep deck lids, fenders, and the like from flying into the crowd? Probably not needed in typical Sailplane crashes... Spectra is a brand name for aramid fibers better know by another name: kevlar. I believe kevlar is used in the cockpits of the "safety cockpit" Schleicher gliders and probably others. A mix of carbon/kevlar seems to be common in the seatpans of new gliders these days. Carbon shatters to (sharp) pieces, with wowen kevlar fibers in fabric the structure does not completely disappear around you in case of crash. AFAIK carbon itself is stronger fibre that kevlar. I think most flaps and ailerons are made of 100% kevlar, though not sure why. Maybe it's lighter than carbon and still strong enough? |
#9
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New Glider Dream Elon Musk Flow
AoA would be nice.
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#10
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New Glider Dream Elon Musk Flow
http://www.aircraftspruce.com/catalo...CU 1EQAvD_BwE
Or a piece of yarn taped to either side of the canopy.Â* You could go big and use TWO of Bumper's MkIV yaws trings, of course they'd have to be reprogrammed to act as AoA indicators.Â* Last time I checked the firmware upgrade only cost $895 and I think you could get a quantity discount for two. Is it April yet? On 2/13/2018 9:09 AM, Jonathan St. Cloud wrote: AoA would be nice. -- Dan, 5J |
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