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Regenerative Agriculture and Direct Drilling
Holistic Farming
"Improving Our Lot" - Planned Holistic Grazing, for starters..
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<blockquote data-quote="holwellcourtfarm" data-source="post: 7797428" data-attributes="member: 42914"><p>I found this last night. They've achieved more than most thought possible but are WAY short of being competitive with current rotary offerings for commercial use.</p><p></p><p>[URL unfurl="true"]https://verticalmag.com/news/why-an-electric-r44-helicopter-makes-more-sense-than-you-think/[/URL]</p><p></p><p>[ATTACH=full]992196[/ATTACH]</p><p></p><p><em>In fact, he said, the R44 is a surprisingly good fit for the project. It has a relatively efficient rotor system and a lightweight airframe that is normally paired with a very heavy Lycoming engine (an <strong>IO-540 with a wet installed weight of around 500 pounds/225 kilograms)</strong>. In Tier 1’s first prototype, this is replaced with custom Yasa <strong>twin electric motors and a Rinehart motor control system that weigh just 100 lb. (45 kg), helping to offset the 1,100-lb. (500-kg) weight of the Brammo lithium polymer batteries that are attached under the belly.</strong></em></p><p><em></em></p><p><em>On Dec. 7, with test pilot Ric Webb of OC Helicopters at the controls, the aircraft <a href="https://www.verticalmag.com/press-releases/electric-helicopter-sets-guinness-world-record/" target="_blank">set a Guinness World Record</a> for the farthest distance traveled by an electric helicopter, flying 30 nautical miles around Los Alamitos Army Airfield in California</em></p><p><em></em></p><p><em>With a new and improved electric helicopter on the near horizon, this month’s record-setting flight was essentially housekeeping; a way to officialize the achievements of the first prototype before the second one proceeds to surpass them. Dromgoole said that with its second version, Tier 1 is <strong>aiming for at least an hour of flight time with 600 lb. (270 kg) of useful payload</strong>, and “we feel it’s very achievable.”</em></p></blockquote><p></p>
[QUOTE="holwellcourtfarm, post: 7797428, member: 42914"] I found this last night. They've achieved more than most thought possible but are WAY short of being competitive with current rotary offerings for commercial use. [URL unfurl="true"]https://verticalmag.com/news/why-an-electric-r44-helicopter-makes-more-sense-than-you-think/[/URL] [ATTACH type="full" alt="IMG_1611.PNG"]992196[/ATTACH] [I]In fact, he said, the R44 is a surprisingly good fit for the project. It has a relatively efficient rotor system and a lightweight airframe that is normally paired with a very heavy Lycoming engine (an [B]IO-540 with a wet installed weight of around 500 pounds/225 kilograms)[/B]. In Tier 1’s first prototype, this is replaced with custom Yasa [B]twin electric motors and a Rinehart motor control system that weigh just 100 lb. (45 kg), helping to offset the 1,100-lb. (500-kg) weight of the Brammo lithium polymer batteries that are attached under the belly.[/B] On Dec. 7, with test pilot Ric Webb of OC Helicopters at the controls, the aircraft [URL='https://www.verticalmag.com/press-releases/electric-helicopter-sets-guinness-world-record/']set a Guinness World Record[/URL] for the farthest distance traveled by an electric helicopter, flying 30 nautical miles around Los Alamitos Army Airfield in California With a new and improved electric helicopter on the near horizon, this month’s record-setting flight was essentially housekeeping; a way to officialize the achievements of the first prototype before the second one proceeds to surpass them. Dromgoole said that with its second version, Tier 1 is [B]aiming for at least an hour of flight time with 600 lb. (270 kg) of useful payload[/B], and “we feel it’s very achievable.”[/I] [/QUOTE]
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Regenerative Agriculture and Direct Drilling
Holistic Farming
"Improving Our Lot" - Planned Holistic Grazing, for starters..
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