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Arrma Typhon/Kraton Owners Club


Devin

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So there is camber adjustment .. Sounds like you need a new set of arms to be able to use it ??

 

Starting to think Arrma are using a fairly brittle compound of plastic as your not the only one to have problems in this area .. I have read of knuckles cracking bearings shattering and the pillow balls themselves snapping in 2 .. 

 

I'm sure that all these are just some first batch teething problems and there be addressed in time with a few updates and tweaks by Arrma   :thumbsup:

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There are pillow balls, but it doesnt seem like a good idea to unscrew them as ive ripped 2 of them right through the a arms. My thoughts are that the further theyre threaded in... and the more plastic theyre biting into, the more durable the setup. after breaking 2 of them, i removed the plastic spacers, and it seems the extra couple millimeters of thread has helped them hold up much better. I guess this wouldnt be an issue with aluminum lower arms. I havent seen anything about an upgraded wing mount yet, but I'd be surprised if they didn't offer one at the rate people seem to be breaking the stock ones. Aside from the wing mount and a arms, i couldn't be happier as far as durability goes. Although i probably wouldn't be as happy with the electronics if i were running 6s. I'm pretty sure the high voltage has to be what is cooking escs and servos, because I've had no trouble whatsoever running only 4s. *knock on wood.

Run it on 6s...that's a huge selling point of this buggy. I hardly ever run 4s on it. Can't remember the last time.

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So there is camber adjustment .. Sounds like you need a new set of arms to be able to use it ??

 

Starting to think Arrma are using a fairly brittle compound of plastic as your not the only one to have problems in this area .. I have read of knuckles cracking bearings shattering and the pillow balls themselves snapping in 2 .. 

 

I'm sure that all these are just some first batch teething problems and there be addressed in time with a few updates and tweaks by Arrma   :thumbsup:

 

 

It definitely could be a bad batch of plastic. Both the arms that broke were the originals. The replacements are holding up great. However i removed the lower arm spacers when i installed them, and i worry that might be what is toughening them up. I may remove some of the top arm spacers as well to get the camber back where i want it. Ill post up some pics tonight when i get home of one of the broken arms, and the wing to show where the breakage occurred.

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ok, so ive had my typhon for about a month now. ive run around 10 x 4s packs through it. with those 10 packs i have beat on it pretty hard. Ive mainly been running it at the local 1/8 scale buggy track. it is a brutal track. I am very new to racing on a track. this is the only car ive ever driven on a track and this is the only track ive ever driven on. needless to say i need more practice, and ive been crashing this thing alot. so here it is...every thing i have broken since getting the car in the past month. 

 

ill start with the wing to give you an idea of the beating ive been putting it through. this is the most recent thing ive broken.

https://lh6.googleusercontent.com/2jutJ6WDcc8voEyhgOQMXpXdTCpEIAHzoxzG94hpjMyT7P9MUDRBALLU87Ujgou6OIDSLToXzU0=w1338-h510

 

now for the very first thing i broke. the wing mount. im pretty sure this is the spot where everyone is breaking these. i havent seen one in stock anywhere since i ordered my replacement. fortunately my homemade wing mount supports (i posted a pic a few posts back) have prevented me from breaking another one. 

https://lh4.googleusercontent.com/bL8qYX2P43Xk1IOWYK2UpoLAKjsfU6-eeoPv1I3j4EOV8OKscJxdPof7BbbYVwBOgLSTr1JrBoo=w1338-h510

 

and now the lower front a arm. i broke both of the originals. like i said earlier in the thread, with the replacements i removed the lower spacers and threaded the pillow balls all the way in, and i havent broke the replacement a arms yet (knock on wood).

https://lh6.googleusercontent.com/aRgZjwij_s-sXnkpMbVYug-mDSKhLkeRHFuxldy7auqyaElEQxS0FS2fq3zzCiIlZR0JtFx4eMo=w1338-h510

 

and since i mentioned pillow balls...i did bend one of the pillow balls.

https://lh4.googleusercontent.com/1KsaeRIv8MJWRx3NuTOyr2lyJS-kmbJ4tQlclK4jtL6lltgUKXt-ajuYNF8mxVuHZFciEZfpBXM=w1338-h510

 

the last time at the track, i didnt break anything new, so i think i might finally be starting to become a better driver. lol!

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The pics dont work fella

 

 This is all just on 4s i take it not the 6s its advertised at handling ? Have you upped the gearing as i think the stock gearing is set to run 6s so you may be missing out on a little more power if you only running 4s ?. 

 

I would prefer to read 10 packs and no breakages !!  but at least these are quite minor and practice makes perfect so keep at it fella  :thumbsup:

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Hi thanks to mydoddy69 if got a new brain for car and I can say it works a treat much smoother than the stock ESC at low speeds and I think it's a little faster in the top end to all round great bit of kit me thinks :)

0026d22dfa50b5d0554fbdf2b0eac9f9.jpg923042011103416a7fe3ca856db7f3f1.jpg

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Yeah that's the one Yeah it's pretty good fit just use double sided pads instead of the stock screws and the rest just fits strait in

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Hi thanks to mydoddy69 if got a new brain for car and I can say it works a treat much smoother than the stock ESC at low speeds and I think it's a little faster in the top end to all round great bit of kit me thinks :)0026d22dfa50b5d0554fbdf2b0eac9f9.jpg923042011103416a7fe3ca856db7f3f1.jpg

It's funny you think this as both me and my mate said the same about his truck ! .

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sorry about the broken links. heres an updated post with pics that (*hopefully) work.

 

ill start with the wing to give you an idea of the beating ive been putting it through. this is the most recent thing ive broken.

broken-wing.jpg

 

now for the very first thing i broke. the wing mount. im pretty sure this is the spot where everyone is breaking these. i havent seen one in stock anywhere since i ordered my replacement. fortunately my homemade wing mount supports (i posted a pic a few posts back) have prevented me from breaking another one. 

broken-wing-mount.jpg

 

and now the lower front a arm. i broke both of the originals. like i said earlier in the thread, with the replacements i removed the lower spacers and threaded the pillow balls all the way in, and i havent broke the replacement a arms yet (knock on wood).

broken-a-arm.jpg

 

and since i mentioned pillow balls...i did bend one of the pillow balls.

bent-pillow-ball.jpg

 

and heres my home made wing mount support. it has been holding up GREAT!

wing-mount-support.jpg

 

I have upgraded my wing to a proline trifecta, and i ran it at the local track last night. my impressions of the wing are that it is much softer more flexible plastic, and i anticipate it will last much longer than the stock wing. unfortunately last night didnt go without a hitch. my servo gave out in the first qualifier (email sent to arrma regarding warranty). i had read about people having servo problems, so i picked up a solar d771 as a backup for just such an occasion. i swapped it in, and it seemed to have quite a bit less torque than the stock servo, but i ran it anyway because it was my only option. i ran the second qualifier with it, and noticed slower response time than stock, but it was better than not being able to run my heat. then i ran the 3rd qualifier and the d771 died the first lap in. i dont really want to worry about servo issues going forward, so i ordered up a hitec 7995 last night. ill put that in, and hopefully arrma will send me a warranty stock servo to keep around as a backup. i am starting to feel more confident in the replacement a-arms. i really am starting to think the early breaks are just a case of a bad batch of plastic. im still not taking the wing mount support off though, because it still seems pretty hard to find replacement wing mounts (at least here in the us). also, i switched up to the 16t pinion, and it had alot more top end. unfortunately they redid the track, and its alot more technical than before, and the 14t low end punch treated me better in the tight turns so i switched back to it for now. Im glad i have a feel for how i can change up gearing for different tracks / conditions though.

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so i just won a kraton and i would like to know what your thoughts are on running a hobbywing wp-sc8 esc and a hobbywing xerun 2074 2000kv motor on a 4s 5000  50c spc lipo? also what motor would you go with from hobbywing besides the 2074 2000kv i have. I really like their products and would like to stay with them.
 i think im going to order the alturn servo right away today so i have it when the kraton comes in the mail. and i realy thank you for the info in this tread i learned a lot just reading it. look for my unboxing video on arrma's facebook page!

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7d5c6cbf52a7bfc7364a8c37ec898ef8.jpg968375ab7db2e1a379a57e822ef16fe9.jpg1f71198018a8bd63cdbb0ccd3169f815.jpg13097ba221563d6d649ab511376574c1.jpgab709cc1a15bfb29d844b695d40b3c39.jpg

Just got done cleaning this thing up still got a couple of things to do but it's ready for a good run at the track Sunday hopefully get some footage too :)

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b6ebd9c6e38d4f16f81f580f65220add.jpg

Finally got some race tyres so I'll be able to see how the car can really perform:) I have had more part failure a bent rear shock tower but it's really minimal 16669202a611cb65d7440ebfb2bc2a3f.jpg

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so its been a little while since i posted. I took the Typhon back to the track last weekend and the new servo is absolutely amazing. unfortunately i missed out on 2 out of 3 qualifiers because i broke 2 more front lower a-arms (one on each side). i have been in the process of building a slash so that i can race the 4x4 sct class and get a little more track time in. i ordered up rpm arms for it off a hobby shop on ebay. unfortunately one of the packages came with 2 right arms leaving me with 3 right arms and only 1 left. i have been working with rpms customer service to get a left arm sent out to me, and they have been absolutely fantastic! in dealing with them, i had mentioned that i have a Typhon, and i have experienced problems with the a-arms and wing mount breaking. i sent them pictures of the breakages, and they told me that the parts are glass filled nylon and unless the chemicals are mixed perfectly...they can be very fragile. They told me that they decide which parts to manufacture based on customer input, and if they see enough market desire for these parts they would look into creating molds to start manufacturing them. if you have had any experience with rpm parts or their customer service, then you already know that they make some of the best quality aftermarket rc parts that money can buy, and their customer service is next to none. their parts are more flexible and way less prone to breaking than stock parts. if you agree with me that you would like to see aftermarket a-arms and wing mounts from rpm, then take a moment to head over to their contact page and drop them a message letting them know that you would like to see these items for the Typhon/Kraton.

http://www.rpmrcproducts.com/contact/

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i also meant to add that arrma sent me out a replacement servo, and their customer service was great as well. however, im just going to keep my replacement as a backup since the hitec i bought has a much higher speed and torque output. i also wanted to note that when i was putting in the hitec i did a voltage test on the pins on my receiver and found that it is putting out 7.4volts. in the instructions for the hitec it says that it is 6v max (although i have read on other forums that it can handle 7.4). i didnt want to take chances with my expensive servo so i wired up an external bec, and it has been working flawlessly with loads of torque and super fast response. The main reason im throwing this out there is because i cant help but think that the high voltage output from the bec on the esc might be playing a part in the stock servos getting cooked. if youre having repeated problems with servos, id suggest picking up a servo that is designed for high voltage, or wire up an external bec to drop it down to 6v.

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Anyone put on MT or truggy tires on the Typhon yet? Need to find out if wheel extenders (Kraton's?) are needed or will work.

 

Also, head's up, this is coming out soon from ARRMA...the new Talion 6s. Looks to be just a truggy version of the Typhon and Kraton:

 

http://www.towerhobbies.com/products/arrma/arad82.html

Edited by lightrules
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Anyone put on MT or truggy tires on the Typhon yet? Need to find out if wheel extenders (Kraton's?) are needed or will work.

 

Also, head's up, this is coming out soon from ARRMA...the new Talion 6s. Looks to be just a truggy version of the Typhon and Kraton:

 

http://www.towerhobbies.com/products/arrma/arad82.html

From what I have read and seen so far there time would have been better spent sorting out the troubles with there current 1/8th scale range !

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ok guys...i went to the track for practice last night, and i broke my 6th a arm (4 on the right, and 2 on the left). fortunately it was a left one, and ive got plenty of spares since i broke so many on the right. At this point, the only problem i have with this buggy is that the front lower a arms keep breaking. a friend pointed out to me that the suspension setup is very similar to the mugen mbx7® suspension. i happen to have a friend at the track who has the mbx7, and he had a spare a arm in his box that i compared to my broken arm. it appears to be a direct swap aside from the droop screw and sway bar placement. hinge pin length is exactly the same, and the pillow ball mount hole and placement (geometrically) are the same as well. i think the sway bars will still work without modification, but im pretty sure i will lose droop adjustment. Im perfectly willing to run full droop in the front for the sake of not breaking arms every time i go to the track. i ordered up a pair last night, and im going to see how they work out. ill keep this thread up to date with my findings. on another note, i swapped out cars with another guy at the track that has a mugen mbx6. i honestly didnt see much difference at all in the handling, or power for that matter. hes running a reedy esc with a 1900kv motor (not sure about the gearing). he generally makes the a mains and places fairly well in weekly races. he was very impressed with the handling and power of the Typhon. he said in the corners if feels just like his mugen, and actually likes the way it flies through the air a little better. last night i got my radio settings dialed in a little better, and im starting to feel like this can be a very competitive track car. now that im starting to become a little bit better of a driver, and im getting my setup dialed in...the Typhon is starting to draw alot of attention at my local track.

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Just seen a few on here looking to upgrade their servo, try this link and see what you think

http://www.hobbyking.co.uk/hobbyking/store/__43054__TrackStar_TS_910_Digital_1_8_Truggy_Monster_Truck_Steering_Servo_66g_30_6kg_0_14sec.html

I've just bought this myself for my mt4 g3, I haven't used it yet so can't comment on it but the specs are impressive for the price

Edited by Skinso
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I got the mbx7 arms that i ordered from amain in the mail today.

http://www.amain.com/mugen-seiki-front-lower-suspension-arm-set/p246346

 

They mounted up perfectly. Heres a pic of the original Arrma arm on the right, and the mbx7 arm on the left.

both-arms.jpg

 

and heres a pic of both mbx7 arms mounted up.

mbx7arms.jpg

 

The only thing i had to modify to mount these up is to use a 3x16mm screw for the lower shock mount. Other than that, everything fit. Even the droop screws line up perfectly. Heading to the local track tomorrow for practice to see how it works in action. I'll keep this thread up to date with how things go.

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nice find. how did you know the mbx7 arms would fit? and what's the stock size of the lower shock  mount screw? thx for keeping this thread going...

 

I got the mbx7 arms that i ordered from amain in the mail today.

http://www.amain.com/mugen-seiki-front-lower-suspension-arm-set/p246346

 

They mounted up perfectly. Heres a pic of the original Arrma arm on the right, and the mbx7 arm on the left.

both-arms.jpg

 

and heres a pic of both mbx7 arms mounted up.

mbx7arms.jpg

 

The only thing i had to modify to mount these up is to use a 3x16mm screw for the lower shock mount. Other than that, everything fit. Even the droop screws line up perfectly. Heading to the local track tomorrow for practice to see how it works in action. I'll keep this thread up to date with how things go.

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I just realized the mbx had similar arms, so i asked guy at my track with a mbx7 if he had a spare. He did, so i compared it to mine, and found it nearly identical.

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