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RCU Forums (https://www.rcuniverse.com/forum/)
-   RC Truggy (https://www.rcuniverse.com/forum/rc-truggy-399/)
-   -   the hyper st PRO thread! (https://www.rcuniverse.com/forum/rc-truggy-399/6299908-hyper-st-pro-thread.html)

cobra26 01-14-2008 05:29 PM
RE: the hyper st PRO thread!
 
I guess I'm the "odd man" out. I've never had a problem with a failsafe and I use a cheap one - by Duratrax. I've never even had so much as a glitch because of the failsafe, but I have been saved by it - one time so far so I figure mine have already paid for themselves.

I just had another thought. If, God forbid, someone did do serious personal or property damage with a nitro RC vehicle and did not have a failsafe, could your homeowner's insurance company declare you negligent - or at least assign you a percentage of negligence? Hmmmmmm.....

j_blaze 01-14-2008 05:47 PM
RE: the hyper st PRO thread!
 
I just had another thought. If, God forbid, someone did do serious personal or property damage with a nitro RC vehicle and did not have a failsafe, could your homeowner's insurance company declare you negligent - or at least assign you a percentage of negligence? Hmmmmmm..
:eek:you're right, it would probably mean the end of the club. i live in florida and the "attorney pages", i mean "yello pages" is full of lawyers looking for work. if they heard of someone being injured by a runaway rc car at a public park or track they would ruin it for the rest of us, failsafe or not. just try to collect $ from the county or state for their wallet, i mean client.

hypabro 01-15-2008 03:38 AM
RE: the hyper st PRO thread!
 
1 Attachment(s)
i've had problems with the failsafe in my last car. for xmas i got to be the lucky owner of th hst. i rad a few pages back that the lrp tyres work ok on the standard rims that come with the kit , any in particular?here are some pix of my car.

spikeitaudi 01-15-2008 12:07 PM
RE: the hyper st PRO thread!
 
Start point for Shock oils and Diff oils.

Going to be putting my ST PRO together this weekend. What shock and diff oils are a good starting point.

I will be on a tight technical track made of clay. Was going to use 7/10/5 F/C/R for the diff oils. Shock oils I am at a bit of a confused. I have seen 30 to 60? Any suggestions.

Regards,

Alvin

eirk66 01-15-2008 12:58 PM
RE: the hyper st PRO thread!
 
i havent built my shocks yet either but im thinkin maybe starting with 40 front 35 rear..

droidswarm 01-15-2008 02:28 PM
RE: the hyper st PRO thread!
 
ORIGINAL: droidswarm


ORIGINAL: herb99


ORIGINAL: droidswarm

Still (slowly) continuing with my build... just dropped the centre diff in and have a question

When I turn the centre diff with my thumb the front drive shaft occasionally catches and wont spin (while the back one continues to turn without problem). Have I made a mistake or is this normal? It may well not be a problem when the engine is proporly running.

Do I need to take the front diff apart to investigate?

Cheers
Yeah I would pull the front diff down, I had mine do the same thing with the rear diff. Your gear mesh might be too tight, I put 1 shim in the diff on the opposite side of the crown gear and it spins freely without feeling notchy. Test if it moves freely before you put the diff back on the chassis, then you dont have to pull everything down again.
Just looked at doing this, and it looks like a hell of a lot of work, Is there an easy way to get the diff out without basically reversing the whole installation?
ORIGINAL: j_blaze

if you mean the front, its 9 screws total, 6 i the front and two below (front two) then the bottom screw of one of the shocks so the cvd's slide out. takes about 5 minutes by hand.
I still quite cant see it! Do you leave the rear half of the gear box case attached to the chassis?

(I dont have the shocks in yet so wont need to worry about the last part)

j_blaze 01-15-2008 04:53 PM
RE: the hyper st PRO thread!
 
yes, the rear half of the case stays on with the shock towers, watch below the aluminum top plate the rear holder with the two nuts may fall off if it doesn't have the screw on in the middle.

spikeitaudi 01-15-2008 05:00 PM
RE: the hyper st PRO thread!
 
Thxs PBGUNS. Anybody else?

wrat 01-16-2008 06:01 AM
RE: the hyper st PRO thread!
 
ok...fail safe ..get a throttle return spring..you cant go wrong..i run one with my spektrum just to be sure...

spektrum..mine is a dx2.0.. love the thing...no issues and i even turn it off and on while running just to test the built in failsafe..i get massive range..atleast 200 mtres...other side of a footy oval no problems...but at that distance its a black dot running around over there...

dif oil,, i use 5r 30c 7f..works great no front only balooooning just allround balooooning :)

shocks im useing 60 wt all round with the pistons drilled to 1.4 mm..handles nice..

diffs easy to take out..front or rear..there designed to be easy to get to..

as for running ya cars in the streets and parks and stuff , just remember that ***** happens so lookout for kids/cars etc ..use ya brains..tell kids/ppl to stand back..

j_blaze 01-16-2008 08:53 PM
RE: the hyper st PRO thread!
 
as for running ya cars in the streets and parks and stuff , just remember that **** happens so lookout for kids/cars etc ..use ya brains..tell kids/ppl to stand back..
true dat! i stopped running on the street cause mailboxes and curbs kept jumping out in front of my cars braking stuff, heck with that. :D

herb99 01-17-2008 05:53 AM
RE: the hyper st PRO thread!
 
Finally finished my Hyper ST Pro

http://i91.photobucket.com/albums/k3...T/DPP_0001.jpg
http://i91.photobucket.com/albums/k3...T/DPP_0002.jpg
http://i91.photobucket.com/albums/k3...T/DPP_0003.jpg
http://i91.photobucket.com/albums/k3...T/DPP_0009.jpg
http://i91.photobucket.com/albums/k3...T/DPP_0005.jpg
http://i91.photobucket.com/albums/k3...T/DPP_0006.jpg

j_blaze 01-17-2008 06:07 AM
RE: the hyper st PRO thread!
 
good idea with the battery pack.;)

spikeitaudi 01-17-2008 09:16 AM
RE: the hyper st PRO thread!
 
Congrats looks good. What Diff and SHock oils did you use? Building mine this weekend.

HerrSavage 01-17-2008 10:13 AM
RE: the hyper st PRO thread!
 
VERY nice herb99.. Looks great..

supertib 01-17-2008 10:13 AM
RE: the hyper st PRO thread!
 

ORIGINAL: jaywax

Got the Go Tech 5 Port Turbo yesterday. I have ran about 1/4 gallon through it so far. It looked pretty good at practice last night. I am running the 13t cb and the 007ht pipe. I need all the torque I can get on our track. I will be racing it today and will post update later.

p.s.
I talked with a Mugen guy and he suggested I put 20k in my center diff. I only had 30k, so I am going to try it out. I have 7k/30k/3k (spider diff). Hope I did not make a big mistake.
thinner center is better.......30K is extremely thick and will cause alot of unwanted rearward weight transfer...as well it will choke back the .21's bottom end.......5-10K will do much better.

herb99 01-17-2008 04:35 PM
RE: the hyper st PRO thread!
 

ORIGINAL: spikeitaudi

Congrats looks good. What Diff and SHock oils did you use? Building mine this weekend.
I went with 7/7/3 for the diffs, I will see how that goes and work from there.
And 40wt all round for the shocks.
I have read that with the centre spider diff's add about 2k thickness onto what ever weight you
are putting in. Something about the extra 2 gears adding more resistance.
For example if you want your spider diff to be 10K in thickness then put 8k in.
Anyone else know about this theory?

cobra26 01-17-2008 05:42 PM
RE: the hyper st PRO thread!
 
herb99,

Nice lookin' build! Simple but elegant looking paint job!

jaywax 01-17-2008 07:23 PM
RE: the hyper st PRO thread!
 

ORIGINAL: supertib


ORIGINAL: jaywax

Got the Go Tech 5 Port Turbo yesterday. I have ran about 1/4 gallon through it so far. It looked pretty good at practice last night. I am running the 13t cb and the 007ht pipe. I need all the torque I can get on our track. I will be racing it today and will post update later.

p.s.
I talked with a Mugen guy and he suggested I put 20k in my center diff. I only had 30k, so I am going to try it out. I have 7k/30k/3k (spider diff). Hope I did not make a big mistake.
thinner center is better.......30K is extremely thick and will cause alot of unwanted rearward weight transfer...as well it will choke back the .21's bottom end.......5-10K will do much better.
I'm using 7/10/3 in the diffs. That other setup was not working for me at all.

j_blaze 01-17-2008 07:56 PM
RE: the hyper st PRO thread!
 
ok, i got the hyper 8.5 c-hubs with 18, 20 and 22 degree adjstments. what does this angle on the steering do. i started with the 18 degrees and it looks like the outside tire turns way more than the inside tire. i'll have to see how it goes on the track. i just had to mod the inside of the arm so it would reach full down travel, the c-hub was rubbing a bit.

i'm still running the 10kish, 20kish, 3k oil combo and it is running great, we have a tight technical track with lots of turns and braking, definitely works here. with the lighter oils the tires were ballooning a lot in the front and was slow on acceleration, compared to now, also the push on-power seems to be reduced. need more track time to make sure, been off the wheel a couple weeks, rained all night last night too so it will take a couple hours work to get the track ready on saturday.

vnmsgt 01-17-2008 11:36 PM
RE: the hyper st PRO thread!
 
You guys know if the stock PRO pipe is a high torque pipe or mid to high pipe. Am looking at putting a axial .28RR in it or my Caster K8T when it comes in and might use this pipe.

hypabro 01-18-2008 02:04 AM
RE: the hyper st PRO thread!
 
im running 5/5/2 diff oils. shocks im running #150f and #350r mugen oils.im thinking of putting in 20k in my centre diff.

zJatoRad 01-18-2008 02:35 AM
RE: the hyper st PRO thread!
 
I believe the pipe is a 2059, at least that's what hyper 8 buggy pipe is, i'm thinking it could be the same.

eirk66 01-18-2008 09:46 AM
RE: the hyper st PRO thread!
 
will these work on the stock rims.. ???? if now any other recomended tires from amain.. trying to put a order in but held of because wasnt for sure..

http://www.amainhobbies.com/product_...ducts_id/10569

Thanks Erik

droidswarm 01-18-2008 11:31 AM
RE: the hyper st PRO thread!
 
1 Attachment(s)
Yay! finally cracked the gearbox open.

Cant see anything immediatley wrong which would cause the CVD to stop? Can your expert eyes spy the problem?

How do I tell if its shimmed right?

Cheers

vnmsgt 01-18-2008 11:54 AM
RE: the hyper st PRO thread!
 
ORIGINAL: pbguns16

will these work on the stock rims.. ???? if now any other recomended tires from amain.. trying to put a order in but held of because wasnt for sure..

http://www.amainhobbies.com/product_...ducts_id/10569

Thanks Erik
No they will not fit. The stock PRO wheels are the same diameter as the new LPR wheels that are out but the stock wheels are a 12" wider than LPR's too. Also any of the pro-line LPR tires will NOT fit the stock wheels. I know from experience. I tried to put a set of proline LPR holeshots on my stock wheels and the tires were to stretched out width wise because they are meant for the Losi (LPR)width wheels and also the lip that you use to glue the tires to the wheels is COMPLETELY different and will not even fit in there or come close at all. Hobao was stupid to make there own design on how there tires fit there wheels. I cannot find any foams that will fit right or other tires as of now.


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