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; Tue, 30 Jun 2026 15:40:27 +0100
From: <sales@hyperflight.co.uk>
To: <rjstewart54@hotmail.com>
References: <6E22BE34139C4E1A9E17A623F255C04A@itpartnership.com>
In-Reply-To: <6E22BE34139C4E1A9E17A623F255C04A@itpartnership.com>
Subject: RE: HyperFlight Enquiry - 22399
Date: Tue, 30 Jun 2026 15:40:29 +0100
Message-ID: <012a01dd089e$65873e40$3095bac0$@hyperflight.co.uk>
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Hi Richard,
I am very sorry about this. Please return the Dualsky 30LITE ESC for a refund.
Kind regards,
Neil.
---------------------------
Neil Stainton
HyperFlight Ltd
1 Drybank Farm
Fosse Way, Ettington
Stratford-upon-Avon
UK CV37 7PD
Mob/WhatsApp: +44 (0)7821 351341
Email: neil@hyperflight.co.uk
Web : www.hyperflight.co.uk
VAT ID: GB116294226
EORI: GB116294226000
From: rjstewart54@hotmail.com <rjstewart54@hotmail.com>
Sent: 30 June 2026 13:29
To: sales@hyperflight.co.uk
Subject: HyperFlight Enquiry - 22399
Name: Richard Stewart
Country: United Kingdom
Telephone: 07941751573
Email: rjstewart54@hotmail.com <mailto:rjstewart54@hotmail.com>
Enquiry: Yesterday I used my recently purchased Dual Sky 30LITE ESC (invoice
109023) and VERY disappointed in it. I bought the thing because, according to
the blurb, it had the brake SET as standard and turns out it hasn't. I had it
mounted in a glider ( an old design Sailplanes International Osprey) with
appropriate motor/prop which is pulling 22 amps initially on a full charge so
well within the ESC parameters, but no brake at all in flight, the prop just
windmilling all the time on throttle off and for some reason will not restart in
the air but will after landing and no, nothing is getting hot. I have carried
out the throttle calibration numerous times with no joy, and because It is not
reprogrammable without a "suitable interface" I will not be using it anymore. So
before I give it a negative review I thought I would see your response.
Unfortunately I have soldered an XT60 connector on it so the thing is now
unreturnable in original condition.
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class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Hi Richard,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>I am very sorry about this. Please return the =
Dualsky 30LITE ESC for a refund.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D'><=
o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Kind regards,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Neil.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>---------------------------<o:p></o:p></span></=
p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Neil Stainton<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'>HyperFlight =
Ltd<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'>1 Drybank =
Farm<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'>Fosse Way, =
Ettington<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'>Stratford-upon-Avo=
n <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'>UK CV37 =
7PD<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#1F497D'><o:p> </o:p><=
/span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Mob/WhatsApp: +44 (0)7821 =
351341<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Email: =
neil@hyperflight.co.uk<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>Web : =
www.hyperflight.co.uk<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>VAT ID: GB116294226<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'>EORI: GB116294226000</span><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'><o:p></o:p></span></b></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D'><=
o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D;ms=
o-fareast-language:EN-US'><o:p> </o:p></span></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
rjstewart54@hotmail.com <rjstewart54@hotmail.com> <br><b>Sent:</b> =
30 June 2026 13:29<br><b>To:</b> =
sales@hyperflight.co.uk<br><b>Subject:</b> HyperFlight Enquiry - =
22399<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Name: Richard Stewart<br><br>Country: =
United Kingdom<br><br>Telephone: 07941751573<br><br>Email: <a =
href=3D"mailto:rjstewart54@hotmail.com">rjstewart54@hotmail.com</a><br><b=
r>Enquiry: Yesterday I used my recently purchased Dual Sky 30LITE ESC =
(invoice 109023) and VERY disappointed in it. I bought the thing =
because, according to the blurb, it had the brake SET as standard and =
turns out it hasn't. I had it mounted in a glider ( an old design =
Sailplanes International Osprey) with appropriate motor/prop which is =
pulling 22 amps initially on a full charge so well within the ESC =
parameters, but no brake at all in flight, the prop just windmilling all =
the time on throttle off and for some reason will not restart in the air =
but will after landing and no, nothing is getting hot. I have carried =
out the throttle calibration numerous times with no joy, and because It =
is not reprogrammable without a "suitable interface" I will =
not be using it anymore. So before I give it a negative review I thought =
I would see your response. Unfortunately I have soldered an XT60 =
connector on it so the thing is now unreturnable in original condition. =
<o:p></o:p></p></div></body></html>
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