Damon, did you have an opportunity to fly the Titans yet?
One observation is that with batteries of different sizes, the side batteries drain first and at some point the main battery is powering not only the aircraft but also charging the external batteries, creating unneeded drain on the main battery in the last 3rd of flight.
So I think in future tests I will try more closely matching external and internal battery capacities.
Two tests I think I will queue up are using two 3S MultiStar 5200's with a TB48 and using two 3S 4500's with a TB47.
Another important part of this is to compare the power mAh/gram. Did a small check and you can see how much power/gram the OEM batteries pack.
View attachment 4630
That cannot be correct. Since the batteries are in parallel they always have the same voltage. Therefore one battery cannot be charging another.
Hmm..mine definitely seems to charge the main battery--at least the LEDs indicate so.
May happen on ground if difference in battery voltages before take-off
Friday is now long gone ;-)Nope, it's still only Friday here
I run an X5. I get 26 minutes of normal flight time (no hovering) from a TB48 and Multistar LiHV 6600.Out of shear curiosity, are most doing this mod using just the x3 or have some used x5/R as well? X5 itself weighs considerably more than the x3
I've been following this thread for a few weeks and finally decide to give this mod a try. I'm a little more comfortable taping the battery, so I started with TB47. I had no trouble following the instruction from the OP for adding add aux inputs.
My next decision was finding a mounting solution and decided on an arm mount. I used a Tarot TL80B04 for 25mm tube, which works very well.
For batteries, I decided to start with a pair of Zippy Compact 1800 mAh lipos. This is a bit conservative; however, with the TB47 I can hover for 20 minutes and land with 20% left in the TB47 and each Zippy 1800. This is about 5 minutes added to my TB47 standard hover times.
Next step is to mod the TB48's (or AC) and will probably go with a pair of 2650 or 2700 20c batteries, I've not decided which model, but the 20c 2650 weighs in about the same as the 1800 Zippy 40c, so I'm hoping for about 5 - 6 additional minutes.
None the less I am happy with the results so far. This is simply an easy mod and has a considerable performance enhancement with little to no side effects.
Thank you all for sharing your setup information.
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Can't say for sure; however, I did transition the gear a number of times while checking prop clearance and it sounds and looks smooth.good fine... look like factory..
i may going to try next.. but one thing i do concern is about the Servo motors.. if it get too heavy will it effect on the motor life span ?
I've been following this thread for a few weeks and finally decide to give this mod a try. I'm a little more comfortable taping the battery, so I started with TB47. I had no trouble following the instruction from the OP for adding add aux inputs.
My next decision was finding a mounting solution and decided on an arm mount. I used a Tarot TL80B04 for 25mm tube, which works very well.
For batteries, I decided to start with a pair of Zippy Compact 1800 mAh lipos. This is a bit conservative; however, with the TB47 I can hover for 20 minutes and land with 20% left in the TB47 and each Zippy 1800. This is about 5 minutes added to my TB47 standard hover times.
Next step is to mod the TB48's (or AC) and will probably go with a pair of 2650 or 2700 20c batteries, I've not decided which model, but the 20c 2650 weighs in about the same as the 1800 Zippy 40c, so I'm hoping for about 5 - 6 additional minutes.
None the less I am happy with the results so far. This is simply an easy mod and has a considerable performance enhancement with little to no side effects.
Thank you all for sharing your setup information.
View attachment 9581 View attachment 9582 View attachment 9583 View attachment 9584 View attachment 9585 View attachment 9586
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