My Flux XL conversion with 1717 and center diff

Not your average Savage Hop ups. These are highly modified, with some home-made parts.

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FluxNZ
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Re: My Flux XL conversion with 1717 and center diff

Post by FluxNZ » Fri Sep 07, 2012 5:55 am

Wow!

Handling looks great and hugs the ground.

Great work 8)
Last edited by FluxNZ on Sun Sep 09, 2012 12:19 am, edited 1 time in total.
Savage Flux HP - Mild Mods.
Savage Flux 5SC/5T - Custom built.
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Post by s2022 » Fri Sep 07, 2012 6:34 am

Thanks FluxNZ,  really like the handling and how it rides;
note that I have the shocks with 1.5 cm spacer in the shock.
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by johny723 » Fri Sep 07, 2012 9:25 am

30k in the center diff? you have a very powerful motor/esc combo, the front tires are not going to last long with such a thin oil. With the 1717 on 6s I would go for 100k in the center diff. Still not locked and yet thick enough to protect the front tires.

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Post by s2022 » Fri Sep 07, 2012 11:04 am

[quote="johny723";p="849597"]30k in the center diff? you have a very powerful motor/esc combo, the front tires are not going to last long with such a thin oil. With the 1717 on 6s I would go for 100k in the center diff. Still not locked and yet thick enough to protect the front tires.[/quote]

I was thinking 50k or 70-80k; 100k i think would be too thick, tried it once as i recall it was close to a locked diff; but that was on the standrd 2200kv flux motor and MMM on 5s mostly, the truck would still wheelie a lot. i am trying to tune to get more stanced ride, less wheelies and more grip on all 4 wheels.

more testing would be the answer.....
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by LLkoolskillet » Fri Sep 07, 2012 12:15 pm

I'm going to tell you right now that even 100,000wt in the CD is to light. Your going to have mad unload. I run 500,000wt in my CD and its perfect no real unload and I can still wheelie and backflip. I also have the Ofna diff lock lube but haven't needed to try it. You can experiment with different weights ie mixing 500k with 100k to make 3-400k wt just depends on how much of each you use

The stock vorza CD comes with 100,000wt if that tells you anything
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Post by johny723 » Sat Sep 08, 2012 12:08 am

is the 500k thin or better said "liquid" enough to maintain a diff action???

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Post by LLkoolskillet » Sat Sep 08, 2012 8:17 am

Yes it transfers power nice and even but since you said you want more of a tuned stance then I would try 400,000wt. In all honesty I would try 300k then if it still unloads make it thicker
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Post by s2022 » Sat Sep 08, 2012 8:28 am

Wouldn't close to 400k - 500k feel like a locked transmission, as the Flux originally was?
Yes you are right, was having some unloading on the current 30K, but not excessive as one might think. if i go beyond 400k - 500k the whole concept of having a center diff would be useless. in all honesty, I don't have beyond 100k laying around to even feel by hand how it is. Got till 100k only. will order some 500k, and do some mixing as previously advised. in the mean time if i have time to run my truck, gonna put the 100k in.

anyway thanks guys for your feedabck and advice. will keep you posted ;)
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by LLkoolskillet » Sat Sep 08, 2012 9:47 am

Are you running 6s, 5s, or 4s?

I understand the idea behind the CD but imo 500,000wt has given me back that original power without all the carnage of broken parts. Yes I can power thru some crazy stuff, wheelie, standing back flips, 40mph backflips, but all this can be done with throttle control. The same goes for what you want. All the power to all 4 wheels, well if you dont want it wheeling so much set the throttle curve up so it doesnt drop the hammer off the line or set your punch control up to do the same. Personally I drive the snot out of my trucks until something breaks. My flux has taken everything I can give it and its not enough to phase it. On 6s my truck with 500,000wt still transfers the shock to the opposite end of the truck so it doesnt break pinons. Its super thick stuff but gives just enough to still transfer.
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Post by johny723 » Sat Sep 08, 2012 10:48 am

I got an idea that might explain why I use 50k and you 500k- I have a stock length flux with 4s that weighs 12,5lbs and you have the xl 15lb weighing monster powered by 6s. Yours needs much thicker oil to transfer power to the rear wheels to move than mine and also 6s will make any balloning much worse so while I am OK with 50k to get enough power to the rear without balloning of the front tires, you need a much thicker oil to make the rear wheels work. What do you think LLkoolskillet?

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Post by LLkoolskillet » Sat Sep 08, 2012 12:15 pm

Sounds like a perfectly good explination to me lol It does make sense for sure. Still tho I think you should try 100k but there is a huge power gap between 4s and 6s so if 50k works for you then so be it. If it aint broke dont fix it
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Post by johny723 » Sat Sep 08, 2012 5:28 pm

100k has already arrived, cant wait to use it ! 50k is OK, but I think I need something thicker. It all depends on the response to the throttle you want from the car. Since I set "high" acceleration on my HK 150a esc I have realized that the front tires baloon a lot, the cc 1520 is totally merciless in terms of torque :D I have changed my mind about thin oils after I blew both front tires on my truck. I was driving in the night, was pretty hard on the throttle and did not see them balloning until it started to make some unusual noise... There went my LST ATX tires but they were big and heavy... Badlands that I use now can take a lot of balooning though.

Anyway, s2022 should definitely try something around 100k and thicker. What is the current weight of your truck now?

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Post by LLkoolskillet » Sat Sep 08, 2012 5:42 pm

I have badlands on my 4s flux XL and I'm not to thrilled with them at the moment, they dot balloon at all but then again I've been urban four wheelin lol

For me the stock GT2s are best with my CD XL Flux on 6s. They take anything and everything I can throw at them. For my attempt at top speed I'm running double belted proline Bowties on axial 8 spokes. Unfortunantly Im loosing mad power

When I tried 100k with the stock 48t spur on the vorza diff my truck had the front wheels ballooning like mad. I swapped out the spur to a 46t and added 500k and it's perfect.
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Post by s2022 » Sun Sep 09, 2012 12:03 am

[quote="johny723";p="849678"]100k has already arrived, cant wait to use it ! 50k is OK, but I think I need something thicker. It all depends on the response to the throttle you want from the car. Since I set "high" acceleration on my HK 150a esc I have realized that the front tires baloon a lot, the cc 1520 is totally merciless in terms of torque :D I have changed my mind about thin oils after I blew both front tires on my truck. I was driving in the night, was pretty hard on the throttle and did not see them balloning until it started to make some unusual noise... There went my LST ATX tires but they were big and heavy... Badlands that I use now can take a lot of balooning though.

Anyway, s2022 should definitely try something around 100k and thicker. What is the current weight of your truck now?[/quote]

4398g = 9.67lb  without batteries and tires/wheels
add 894 g = 1.96lb for 2x3s turnigy 5000mah
and 1100g = 2.42lb for the tires/wheels. at the moment 2xmashers 3.2" for the rear and badlands 3.2 for the fronts; thats what i have left of 6xmashers 3.2 and 8xbadlands......  an order of diff oil and tires / wheels is in order...

So all in all around 6.4kg = 14lb all in all fully loaded.
will definitely try 100k i have as i mentioned earlier, and order thicker than 100k for testing.
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by s2022 » Sun Sep 09, 2012 12:14 am

[quote="LLkoolskillet";p="849681"]I have badlands on my 4s flux XL and I'm not to thrilled with them at the moment, they dot balloon at all but then again I've been urban four wheelin lol

For me the stock GT2s are best with my CD XL Flux on 6s. They take anything and everything I can throw at them. For my attempt at top speed I'm running double belted proline Bowties on axial 8 spokes. Unfortunantly Im loosing mad power

When I tried 100k with the stock 48t spur on the vorza diff my truck had the front wheels ballooning like mad. I swapped out the spur to a 46t and added 500k and it's perfect.[/quote]

What pinion do you have at the moment? with the 46 and 48 spurs.

I currently am running 15t pinion on a 50t Spur diff. geared for 92km/hr = 57.5 mph
i was experimenting with trenchers 30 series stretched on 3.2" size wheels (actually i online ordered them wrong, so thought to make use of them as i don't have a 1/10 or SC truck) the last video has them on. surprisingly they were really good! with their smaller diameter and less weight. i will keep them dunno if i will go crazy and order more for asphalt runs and smooth terrain runs.
The advantage is the truck feels more planted with less ballooning as they don't have the mass and size to easily induce wheelies. But looks a bit ridiculous with the small size on the XL length savage :):) on the terrain i was bashing they would shine, on other more rocky terrain i need more bigger wheels. got some mashers 40series need to try also....

with the trenchers 30 series i need to go up 2 to 4 teeth on the pinion, currently with trenchers 30 series 50t spur and 15t pinion on 6S it would be geared for 76km/hr = 47.5mph
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by LLkoolskillet » Sun Sep 09, 2012 9:23 am

I use a 20/44t gearing with the wifes XL Flux with the stock tranny and she has the badlands, my truck I use 12/46t gearing with a CD and GT2 wheels. Her truck doesnt heat up in the sumer where as mine does. In cooler temps outside my truck runs normal, but in the hot summer it runs hot. Idealy I need to drop a tooth or two but its fine right now.

Apparently my Flux is geared for 65+mph haha, I will get that on GPS to see how accurate that is. I tried the other day when I noticed my truck was having issues.
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Post by johny723 » Sun Sep 09, 2012 5:08 pm

your flux is geared for + - 78mph on 6s, not 65

my savage is geared for 36mph on 4s. fast enough for me, more speed = more breakages.

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Post by s2022 » Mon Sep 10, 2012 12:36 am

how did you arrive at that, 1717 = 1580 kv, my calculation were for 3.7v per cell and tire dia around 148-150mm

I'll recheck anyway ...
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[color=blue][i][url=http://www.savage-central.com/modules.php?name=Forums&file=viewtopic&t=93732]Savage Flux XL; Mamba XL2; 1717; Custom CD; Mech Brakes[/url][/i][/color]

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Post by LLkoolskillet » Mon Sep 10, 2012 5:47 am

[quote="johny723";p="849761"]your flux is geared for + - 78mph on 6s, not 65

my savage is geared for 36mph on 4s. fast enough for me, more speed = more breakages.[/quote]

Oh haha was a little off

My truck is actually built around the power of 6s so I don't break parts. The last couple of parts that did break were shock caps and body posts. The CD is the best mod for power in the flux
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Post by johny723 » Mon Sep 10, 2012 3:13 pm

s2022- its not your flux, I was talking about llkoolskillets truck

llkoolskillet- my flux has a CD, rpm arms, hubs and knuckles from a huge overweight cen genesis, cvds from LST2, even 5mm shock shafts made of revo pushrods and I still manage to bend or break something if I try even on 4s. I surely have to try a LOT more than when it was stock, but there is nothing such as an indestructible truck. It is almost nukeproof, but not totally...

what are your temps guys? My temps are always pretty low, around 50 degrees of celsius without any cooling. The 1717 in S2022s truck shoud have similar temps, does it?
and I still do not understand why you use mechanical brakes. Could you please explain it to me?

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