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jjl5590
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Posts posted by jjl5590
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On 14/02/2024 at 18:17, James.S said:
Hi mate, yeah I'm in the area. Used to live a lot closer to Pompey but i'm on the outskirts of Chichester now.
Sorry forgot I posted this - let me know if you ever fancy meeting up! I've been living here for a while but have yet to find anywhere decent to drive RCs...
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Any RC bashers around Portsmouth area?
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2 hours ago, Fat Freddy said:
Honestly? No idea. Probably???
👍
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They've done so little, still using deans for a 6s rig... are HPI even in business?
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If anyone ever ventures round Grovelands, Oakwood or Cockfosters park - I'd happily meet up
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1 hour ago, Kpowell911 said:
What size lipo is it? A 6S?
If so that chargers only 80w, doubt its powerful enough to charge a 5200mah 6S lipo at 1C?
edit: Yes you need at least a 115w charger to charge a 6S lipo at 5.2ah. Your charger is only 80w so 3.5ah ish the best youre gonna get.
For the maths, read this and scroll right down to the blue square
https://rogershobbycenter.com/lipoguide
Guessing itll be the same for discharging and the fact youre absolutely using that charger at the limit might be giving false readings.
Ideally you need a better charger for 1C with 6S lipos. Id want a 200w charger at least personally.
Ah ok understood, yeah it's a 6s 5200mAh lipo. I was using a Hyperion charger previously which was 180w so I guess I am used to that!
Do you know how the discharger works? Is it a bank of resistors within the charger?
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Hi all,
I've recently purchased a SkyRC e680 charger, however I can't work out the charging current rates. I've read the manual twice and watched countless Youtube videos, but can't find the answer to these problems.
For example, when charging, I've got the current set to 5.2A (for my 5200mAh lipo). But when it charges it, the current never goes above 3.3-3.4A...
And when discharging, I have the discharge current set to 2A. But when it discharges it, the current always starts at 0.4A and then eventually reduces to 0.1A...
Am I doing something wrong?
Also one more thing I've noticed, the charger charging the cells above 4.20v. I will see them go up to 4.21v or 4.22v - is this not dangerous? As a precaution, I set the TVC to 4.19v, but I'm still seeing the cells go over 4.21v...
The charger knows what the end voltage should be. Yet it remains on 99% with the cells at 4.21v/4.22v for about 15 more minutes, trickle-charging at 0.3A. Why is this? Can I just end the charge manually instead? The cells end up with 4.22v.
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Gens Ace 4S 14.8v 5000mah 50C LiPo Battery EC5 - £40
Almost new, only has around 4 cycles on it. Never charged above 1C, never charged past 4.2v/cell, never discharged past 3.6v/cell, always stored at 3.85v/cell.
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I know this is a long shot but does anyone have a Batsafe charger stand? I've lost mine
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7 minutes ago, Redback said:
You can reprogram the switch to either latching or momentary, the nob can not be assigned to altering the dual rate.
Thanks, do you know that as a fact? I asked the same question over on the Arrma forum and was told the switches are momentary, with no option to reassign the knob for dual rate control.
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Hi all,
Does anyone know if the switches on the Radiolink RC4GS are latching or momentary? E.g. Can they be used for LED lights?
Also, is it possible to assign the steering dual rate function to the channel 3 dial knob?
Thanks! -
Thanks for the science behind it. I'm not too fussed about 1.5 hour charge time - more curious in the differences between those two chargers (if any)
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I've narrowed it down to either of these, but can't see much difference between the two. The SkyRC charger is cheaper and I think has better spec?
https://www.modelsport.co.uk/product/skyrc-e680-ac-dc-80w-charger-440716
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So for example, with my Radiolink;
- There is an EPA function which allows me to set my steering servo throw, so it does not exceed past the point at which it encounters resistance from reaching the end of the throw. The steering servo will operate at full speed throughout the entire range of the wheel motion. I typically only set the EPA for left and right turning once, after fitting the servo or making any changes to the car which affect the steering.
- There is also a dual rate function which reduces the throw of the steering servo whilst retaining full turning motion of the steering wheel. This is different to simply reducing the EPA setting, as the speed of the servo is spread out over the full turning of the wheel, thereby making the steering less twitchy for speed runs.
To access both of these settings on the Radiolink, it has to be accessed within various sub-menus, so not easy to adjust on the fly.
The Spektrum DX2e has a dedicated steering dual rate dial.
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Ah ok thanks for explaining, in that case I don't think the Dumbo can do what I want
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Is the fact that it says EPA a mistake then? How do you set the EPA? Thanks
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11 minutes ago, Kpowell911 said:
Just curious really. What benefit does adjusting dual rate have on speed runs?
It's to reduce the steering input on high-speed straight
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1 hour ago, walkbythesea said:
This is a stock photo off the web, the newer ones are labelled where this one isn’t.
The left hand knobs are steering trim and D/R, the right hand are throttle - all under a flap on the top of the Tx
Ah cool! I didn't realise the Dumbo radios had that feature... Might have to order a set pronto...
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Are you sure you aren't confusing it with EPA?
36 minutes ago, Bajadre said:one thing i love about my Futaba 3PRKA the dual rate sliders right under the steer wheel makes adjusting so much easier on the fly 🙂
How is the range with that Futaba?
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Hi all,
I've pretty much always used a Radiolink RC6GS radio for the past 5 years... and it's great. I love how easy it is to use, all the functions it has and most importantly 500m range.
However, now that I'm incorporating more speedruns into my bash sesh, I'd like to find a radio that has quick access to turning down the steering dual rate. The Spektrum DX2e has this functionality in the form of an easy access knob at the front of the remote, however it has terrible range so don't want to use that.
Another suggested radio are the ones from Dumbo RC, I'm told they have great range. However I cannot see a way to turn down the steering rate on those.
Any suggestions?
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Cheers for all the insight
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59 minutes ago, Nitroholic said:
Normally...I wouldn;t buy Traxxas motors or ESCs ever, unless every other maker had gone bust, or the item was free.... but.... wasn't the Traxxas 1717 the rebadged Castle motor?
if so....I'd take it over a Hobbywing motor
I read somewhere that it was made from cheaper materials
46 minutes ago, Kpowell911 said:In what?
A Typhon 😁
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Which would you rather have?
Hobbywing 4985 or the Traxxas 1717?
Both are the same price
Both are the same size
Both are the same kV
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I'd be looking to charge a 6S 6000mAh pack at 1C. Could the E680 not handle that?
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Buggy carry bag
in General RC
Posted
Does anyone have a carry bag for the 1/8th buggy? I'm looking for something to carry my Arrma Typhon 6s on my back... So far I've just found these two. Are there any other options?
https://www.modelsport.co.uk/product/koswork-1-8-buggy-carrying-bag-1348612
https://ffracing.co.uk/products/ptk-8113-protek-rc-1-10-buggy-carrier-bag