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TIPS and TRICKS

A decent battery strap for micros

12/12/2017

2 Comments

 
I'm yet to find a decent battery strap for a micro. So far I've been making do with the crappy velcro ones with come standard like in the picture below along with the nice silicon pads I've already reviewed. On tough crashes though I still get ejections which makes we worry about lifting a battery pad off the ESC.
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I hate these straps
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This is almost as bad
The problem with micros through is you need a skinny strap that will fit between the standoffs underneath a 20 x 20mm esc AND a plastic or metal return feed clip that really allow you to tighten the strap down. The stock one for the baby hawk works but only for very small batteries - 2s 300mah and smaller. The standard 20mm wide ones I use on my 5 inch quads and have heaps of are just too wide (and heavy). Another option is to use a rubber band like Albert Kim which is lighter but doesn't have the security of a good strap.

Other than a few boutique options like the airblade UAV strap that Nick Burns has a bulk supply of, there is very little available, especially outside of the US. Thank goodness there are a range available now supplied by RJX hobby in varying material such as nylon, nylon with metal strap and Kevlar. Most importantly these are available in 15mm wide variants which is perfect for quads that are 3 inches and smaller.

The best all round one I have found that is also the cheapest is the 15mm wide x 150mm long one here. This fits on both my leader 120 and Furibee X140 and will accept down to 2s 300mah and up to 4s 850mah. The nylon version is currently available for just $2.17 on Bangood. If you are one of the high-roller types you can also also get an alloy-buckled 12mm wide version for an eye-watering $2.69. There are a range of lengths available so order several or just measure first but make sure you get the 12mm or 15mm wide variants as listed here.
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These straps won't make your quad faster or give you a better FPV feed but will give you greater peace of mind knowing that in a crash you are much less likely to eject your battery and potentially damage your sensitive electronics or even lose your battery.

Get them here:

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RJX Hobby Magic Tape Bulletproof Vest Material Battery Tie Down Strap for RC Drone FPV Racing Drone
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​RJX HOBBY Alloy Buckle Battery Tie Down Strap Black for FPV Racing Drone
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That strap tho!
2 Comments

Make your Fly Egg 100 / 130 Runcam swift compatible for Less than $10

27/10/2017

2 Comments

 
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The Fly Egg 100 and 130 are 2 popular micro quads although like many other micros they have only have a cheap CMOS camera for FPV. The Swift and Arrow micros have been simply fantastic as an upgrade for micros like the leader 120 and I've covered that upgrade recently for that model.

It's much harder with the fly egg series though because there is only 15mm between the sideplates of the frame where the camera sits which is too narrow for the width of 19mm micro cameras. Modding is near impossible because the frame cannot be drilled for a wider mount and it is too far for the side plates to stretch to accomodate.

Now there is a new solution. King Kong have just released the FPV Egg 136 which is 4mm wider to allow for the micro swift. Although the complete frame is available for $23, I believe you can just get away with purchasing the new 136mm bottom plate only for $8.63 (less than $8 if you use the code "toysho"). This way you can recycle most of the parts from your fly egg 130 or 100. There are some caveats however.
  1. You'll need some longer standoffs or suitable spacers and longer screws
  2. You'll need to find a solution to fix the camera to the side plates as the new plates have a slightly different system for allowing for the micro swift see pics below for comparison

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Fly Egg 130 side plate
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New Fly Egg 136 side plate designed specifically for the runcam swift
Considering how compex the previous solutions were though, this will be a breeze or you could just take the path of getting the new frame with all the correct hardware. The good news is that since the fly egg comes with a good variable power VTX that is not piggy-backed to the CMOS, it will easy to re-use with the new camera. Also good is that the Micro Swift 2 and Foxeer Arrow 2 have a basic VBAT OSD and this will be a huge improvement to the OSD-less fly egg 100/130.

I have a new 136mm bottom plate on order and will update here when I've mounted the micro swift 2.

Here are the parts I've discussed in the article, click on the image to take you to the product:

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King Kong FPV Egg 136 full kit
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King Kong FPV Egg 136 bottom plate only
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King Kong FPV Egg 136 frame kit

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Foxeer Arrow Micro 2
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Runcam Swift Micro 2
2 Comments

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