Difference between revisions of "Mamba/ElectricConversion"

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(Power System (as demonstrated by Flex Innovations))
 
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<big>--Under Construction--</big>
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{{DISPLAYTITLE:Mamba Electric Conversion}}
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== Mamba Electric Conversion ==
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The Mamba was designed with electric conversion in mind. The aircraft has designed in a forward hatch that makes access to batteries and connectors easy. The 'fuel tank tray' is located to work as a basis for a battery Tray/Mount.
  
<big>This page contains tips on converting the Mamba to Electric.</big>
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Flight time of this relatively light 12S 6200mAh setup is about 4-4.5 minutes with proper throttle management and a good reserve. Make first flights about 2/3 of this time and check remainin capacity while breaking in and balancing your packs.
  
The Mamba was designed with electric conversion in mind. The aircraft has designed in a forward hatch that makes access to batteries and connectors easy. The 'fuel tank tray' is located to work as a basis for a battery mount.
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The primary conversion is '''strengthening'''  the 'fuel tank tray' to work as a 'battery tray'.
  
Flight time is about 4-4.5 minutes with proper throttle management and a good reserve. Make first flights about 2/3 of this time and check remaining capacity while breaking in and balancing your packs.
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== Power System (as demonstrated by Flex Innovations) ==
 
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* [http://www.horizonhobby.com/power-360-brushless-outrunner-motor--180kv-eflm4360a E-Flite 360 - 180kv Motor(EFLM4360A)]
The primary conversion is STRENGTHENING the 'fuel tank tray' to work as a 'battery tray'.
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** The chosen motor uses the same bolt pattern and firewall hole locations as a DA Gas Engine making mounting easy.  
 
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** The Prop bolt pattern also matches the DA 4-bolt pattern.<br />
Power System (as demonstrated by Flex innovations)
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* 70mm total motor standoffs
*E-Flite 360 - 180kv Motor(EFLM4360A)
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* [https://www.flexinnovations.com/product/6s-6200mah-40c-lipo-battery/ Potenza 6S 6200mAh 40C batteries were used (Two in series (12S))]
http://www.horizonhobby.com/power-360-brushless-outrunner-motor--180kv-eflm4360a
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* Castle 160HV ESC
 
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* Mejzlik 25 x 12S Prop
*70mm total motor standoffs
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*Potenza 5000 6S 60C batteries were used (Two in series (12S))
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*Castle 160HV ESC
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*Mejzlik 25 x 12 Prop
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The chosen motor uses the same bolt pattern (and firewall hole locations as a DA Gas Engine making mounting easy. The Prop bolt pattern also matches the DA 4 bolt pattern.
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We reinforced the battery tray as follows (thin and medium CA Glue was used for all)
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*Approximately 1/2 wide strips of Carbon plate (~.080" thick) was used in two places to reinforce the structure under that tray. It was wrapped to the structure with carbon chord (toe).
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**At the aft end of the battery tray oriented vertically. Carbon chord wraps used.
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**At the middle of the tray oriented flat against the tray. Carbon chord wraps used.
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*Two strips of Carbon plate were laminated to the top of the tray to stiffen it and to apply velcro to.
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**The aft edge of the plates were thinned to allow carbon chord wraps to be applied to prevent delamination.
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**A hole were made in the front center of each plate, and the plated was wrapped to the existing structure with carbon chord to prevent delamination.
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[[File:IMG 7033.png|thumbnail|Test]]
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== Reinforced the Battery Tray ==
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Thin and medium CA Glue was used for all. See Images
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* Approximately 1/2 wide strips of Carbon plate (~.080" thick) was used in two places to reinforce the structure under the tray. It was wrapped to the structure with carbon chord (tow).
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** At the aft end under the battery tray oriented vertically. Carbon chord wraps used.
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** At the middle of the tray oriented flat against the bottom of the tray. Carbon chord wraps used.
 +
* Two strips of Carbon plate were laminated to the top of the tray to stiffen it and to apply velcro&reg; to.
 +
** The aft edge of the plates were thinned to allow carbon chord wraps to be applied to prevent delamination.
 +
** A hole were made in the front center of each plate, and the plated was wrapped to the existing structure with carbon chord to prevent delamination.
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* Holes and slots were made in the tray to allow for carbon wraps, and velcro&reg; straps
 
<gallery>
 
<gallery>
IMG_7029.png|Caption1
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IMG_7035.png|Motor and ESC
IMG_7033.png|Caption2
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IMG_7029.png|Tray Preparations
IMG_7035.png|Caption1
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IMG_7033.png|Tray Preparations
IMG_7037.png|Caption2
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IMG_7037.png|1 of 2 Carbon Strips
IMG_7043.png|Caption1
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IMG_7043.png|Strip in Middle
IMG_7044.png|Caption2
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IMG_7044.png|Aft Wraps
IMG_7047.png|Caption1
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IMG_7047.png|Overview
IMG_7053C.png|Caption2
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IMG_7053C.png|Aft Wraps
IMG_7054.png|Caption1
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IMG_7054.png|Middle Wraps
IMG_7055.png|Caption2
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IMG_7055.png|Middle Wraps
IMG_7056.png|Caption1
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IMG_7056.png|Radio Tray
 
</gallery>
 
</gallery>
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<noinclude>
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[[Category:ARF+ARFSV|ARF + ARFSV]]
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[[Category:Mamba70cc|Mamba70cc]]
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</noinclude>

Latest revision as of 14:41, 24 September 2021

Mamba Electric Conversion

The Mamba was designed with electric conversion in mind. The aircraft has designed in a forward hatch that makes access to batteries and connectors easy. The 'fuel tank tray' is located to work as a basis for a battery Tray/Mount.

Flight time of this relatively light 12S 6200mAh setup is about 4-4.5 minutes with proper throttle management and a good reserve. Make first flights about 2/3 of this time and check remainin capacity while breaking in and balancing your packs.

The primary conversion is strengthening the 'fuel tank tray' to work as a 'battery tray'.

Power System (as demonstrated by Flex Innovations)

Reinforced the Battery Tray

Thin and medium CA Glue was used for all. See Images

  • Approximately 1/2 wide strips of Carbon plate (~.080" thick) was used in two places to reinforce the structure under the tray. It was wrapped to the structure with carbon chord (tow).
    • At the aft end under the battery tray oriented vertically. Carbon chord wraps used.
    • At the middle of the tray oriented flat against the bottom of the tray. Carbon chord wraps used.
  • Two strips of Carbon plate were laminated to the top of the tray to stiffen it and to apply velcro® to.
    • The aft edge of the plates were thinned to allow carbon chord wraps to be applied to prevent delamination.
    • A hole were made in the front center of each plate, and the plated was wrapped to the existing structure with carbon chord to prevent delamination.
  • Holes and slots were made in the tray to allow for carbon wraps, and velcro® straps