receiver hump pack (LiPo)

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sharkattack99

sharkattack99

Well-Known Member
Messages
926
Location
Moses Lake Wa
I was just wonder what LiPo reciever pack will fit in the savage receiver box? Would like to go LiPo. For the longer run times. Or if you can recommend a LiPo and a box it will fit in and a place to put it would be great, and something like a cut off when it getto low thanks.

http://www.amain.com/team-associated-6.0v-5a-voltage-regulator/p30537

Looking at that foe a voltage regulator.
 
@sharkattack99, not sure about how well this will fit but the Venom hump pack LiPo might work out for you. Just not sure how much room is in the battery compartment on the Savage.
 
See those would be perfect but I'm not sure how much room is there or if it would fit either...lol.guess I could try and message it. Now would the battery box that ppl use for when they do the mid tank mod the one they usually install on the rear shock tower be big enough I wonder? Thanks for the link woodie

And is there a voltage regulator/low voltage in one or am I gunna have to buy both separate?
 
  • Dimensions: 57 x 30 x 33 mm / 2.24 x 1.18 x 1.3 in
 Says that packs dimensions are as above.... so a bit of measuring and checking and you should be golden....
as for a regulator and shutoff alarm. I believe venom sells an all in one unit....
 
Thanks man I'll measure when I get home, and I'll look into the combo thanks again.
 
I just measured one of my NiMH hump packs and it is 30mm wide 51mm long and 32mm high so i say it will fit the stock location without a hitch.....
 
I think one would really only be concerned with the height of the cells, at least the way my Venom NiMH sits in my stock X electronics box.

Mine measures:
Length: 1.96 in (45.0mm)
Width: 1.14 in (29.0mm)
Height: 1.22 in (31.0mm)

Mine sits on it's back like a pyramid, 3 cells on the bottom, 2 on top. It could be a couple mm taller in height (as its measured in it's dimensions) but much wider and longer, probably as much as an inch or a little more. I have enough room to wind up 8 inches of tapped in charging wire with a Tamiya connector and stuff it next to the hump pack.

I think one that measures out to the one @Jam Racing 1 would fit just fine. The lid to the electronics box has quite a lot of room in it.
 
Well I did order the 2100mah lips and the dynamite voltage regulator/voltage cuttoff. When I get them and get the installed ilk post some pics of it. Thanks for the advice guys.
 
I couldn't find one so I bought a pig tail with the male end just gunna snip off the black end aways down and solder the pig tail to it.

It sure does there so tiny lol
 
So the only thing I'm worried about now is when the cutoff is reached and it shuts down the power how do I keep it from running off on me when it shuts down while the servo is wide open? should I just run it close to me and time it so I know about how much run time I can get?
 
sharkattack99 said:
So the only thing I'm worried about now is when the cutoff is reached and it shuts down the power how do I keep it from running off on me when it shuts down while the servo is wide open? should I just run it close to me and time it so I know about how much run time I can get?
Click to expand...

This is where a failsafe and return spring work in your favor..... besides I am betting on plenty of battery voltage and long runtimes with that LiPo in there.....
 
Jam has it right, and if you have the RF-40 rx, it has a fail safe built in, having a throttle return spring is a necessity in my eyes, I've had rigs w/o fail safe's lose tx signal and still return to idle with only a return spring. I could be mistaken, but I think all nitro Savage's came with them factory.

On a side note, I don't think the regulator linked above has any cut-off feature, at least not that I can find stated anywhere, it just regulates the voltage down to 6.0V from the packs additional voltage, again I could totally be mistaken as I don't own one.

But this is the link to the manufacturers website:
http://www.teamassociated.com/reedy/parts/details/636/
 
Ah, that one does have a cut off, and it is user programable. Follow the set-up guide in the owners manual for setting up the cut-off point depending on your servos, or you can even disable the cut-off feature.

Manual:
http://www.dynamiterc.com/ProdInfo/Files/28270_DYN_LiPo_Voltage_Regulator_Instruction_Sheet_LR.pdf
The cut-off has three settings, Off, 5.5V, and 6.0V.

Edit: Also, if I understand it correctly, when the receiver pack is reaching the cut off point, it will run at 3.7V for 3 minutes, alerting the user that the rx pack is nearing cut-off as the steering, etc will suck, but it will still work, or it may even trigger the RX's fail safe if equipped.

Another edit: After reading over the manual, I am very interested in going LiPo and picking one of these up myself, sounds like quite the piece, things sure have come a long way.
 
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Yeah things have come along way.

I got mine off eBay, got it way cheaper.
OK now I feel safer running it knowing it will be crappie steering so it gives a hint.
yeah I'm not sure which to chose so I read it as its set to output at 6.0 volts that's for the servo power. But I'm not understanding the 5.5 or 6.0 volts for the cuttoff? That's the only thing I'm not getting.
 
rcnut14 said:
a single cell should not go below 3.2v a cell. so 6v would be a good cutoff. when charged, the pack is probably close to 8v
Click to expand...

The cell itself won't drop that low. For example lets say the cut off is set at 6.0V, when the pack get close to the cut off, lets say 6.5V (I have no idea the actual voltage) The regulator will only put out 3.7V to the electronics for 3 minutes, suffering a huge servo performance loss.

Or like X said, snag a bumble fuel cut-off. I have never used one but they sure a neat!

Edit: But like rcnut said, the cells typically shouldn't drop below about 3.2
 
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Well those look sweet but the low performance of the servos should be enough of an indicator time to change the LiPo (I bought 2 lol)

its amazing when you try doing something different how much it cost to do so buy one thing then have to buy 4 more things to make it work lol luckily I had the rpm box lol

I did have to put the regulato/cutoff in this RPM box I couldn't get it to fit in the stock box.

 
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