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Old 07-12-2003, 10:56 PM   #2626
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Default Congrats !!!!!

Congrats goes out to mister Ralph Burch for his Roar National Championship in 1/8th scale Gas, with his Serpent 950 !!!!!

Cant keep the Snakes out of the winners circle !!!!!!

[IMG][img] http://www.mytsn.com/publ/psimage.aspi?pid=8497&psid=1 [/img][/IMG]
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Old 07-13-2003, 08:25 AM   #2627
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Quote:
Originally posted by paulfitipauldi
Good Job there modellor,, I'm really sorry about your camera, but when you get some pics of them ,, please I now that everybody in here would like to see your Job , and of course the cost is very important too , count on me in that one, because I have a couple of friends that would be very interest to get one of those
I will get pictures posted of them. Steve takes all the pics of the new parts from the workshop in Cali. I believe that other than quality, price is the most important part. We are hoping that they will be around $15 - $20 maximum.
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Old 07-13-2003, 10:05 AM   #2628
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Originally posted by supra528
or if it doesnt have the proper lead... how do i get one?? and could i get a link to one??
could someone PLEASE answer me here?
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Old 07-13-2003, 10:23 AM   #2629
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Sorry Supra.

I dont know much about the MRC Super Brain. Never thought about it much.
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Old 07-13-2003, 10:50 AM   #2630
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Quote:
Originally posted by supra528
could someone PLEASE answer me here?
hmm....
Since you are very new, PLEASE go to your local hobby store and get whatever charger they recommend you to get for fast charger and slow charger, that way, you can always ask them for some technical advice, immediate return (if u need it), like what socket to use for your pack, etc... Be prepared to paid a lil more but you solve all your frustration getting answer from different opinion people over here.
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Old 07-13-2003, 03:45 PM   #2631
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ok... thnx
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Old 07-13-2003, 07:18 PM   #2632
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Anybody worn out the 2-speed one-way bearing? My 705 is about 3 or 4 gallons old. The one-way bearing has developed play, and I can hear it skipping when the engine winds out. It has nothing to do with lube; I already tried cleaning and re-lubing. Is this normal?

Do I need to replace the one-way beaing (902411) or the one-way and part number 902412?

**cross-posted to mytsn**
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Old 07-13-2003, 08:00 PM   #2633
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Quote:
Originally posted by modellor
When I get pictures sorted I will post them.
This coming Friday perhaps
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Old 07-13-2003, 08:01 PM   #2634
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Quote:
Originally posted by taz5176
hey D
my fren is going k.l, any good hobby shops there? can u give me the address?
any good buys???
You got PM
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Old 07-13-2003, 08:22 PM   #2635
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Quote:
Originally posted by chachi
Anybody worn out the 2-speed one-way bearing? My 705 is about 3 or 4 gallons old. The one-way bearing has developed play, and I can hear it skipping when the engine winds out. It has nothing to do with lube; I already tried cleaning and re-lubing. Is this normal?

Do I need to replace the one-way beaing (902411) or the one-way and part number 902412?

**cross-posted to mytsn**
That is strange. I have never had a one way bearing go bad. My Impulse PRO front and the 2 speed one way bearing has been running 1.5 years already (knock on wood). The roller pins on the 2 speed one way bearing came out once because the whole 2 speed gearbox assembly came off during a race because of a faulty C clip. I actually have a similar one way bearing and just replaced the roller pins only because the one way bearing is a bitch to press out and replace it entirely. I put the gearbox assembly and continued to race in the next heat and mains. Still works like a charm

The one way bearing on the 2 speed adapter itself is the same bearing that was on the Impulse and made by INA in Germany. I believe it's the same too on other cars as well. Most of them use one way bearings from INA. The one way bearing is for an 8 mm shaft. The bearing part number is HF 0812. I bought one as a spare and it costed about approx USD 8 a piece. Handy in those cases if you need to replace one of the roller pins that goes missing.

I thought I read somewhere in one of the mytsn forums that one of the ways to "revive" the one way bearing is to rub the shaft of the 2 speed adapter (902412) with an emery cloth. This gives the shaft some surface roughness to let the one way lube stick on it.

If you can get anybody who has the same 8 mm flange adapter from the Serpent or from any cars for that matter and test and see if it slips. If it does not, then your current 2 speed adapter is toast and nothing wrong with the one way bearings. Else, if the one way bearing is really toast, replace the 902411 one way bearing.

Hope that helps
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Old 07-13-2003, 08:25 PM   #2636
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Quote:
Originally posted by n1technik
oh yeah the spring was too soft for the track (yellow), tires weren't trued and too big(66mm), ride height was too high (7mm ). the reason was i really didn't feel like scratching my new chassis.. and i was only there to break-in the motor and the drivetrain. but it was sad to see my new body getting trashed due to traction roll.
i didn't think my droop was too much off. 0 for the front and 7in the back.
The trick to this is ride height. Lower it to 4.5 or 5 and you'll see the difference.
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Old 07-14-2003, 01:21 AM   #2637
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Quote:
Originally posted by InitialD
Ummm, don't know why the link I posted turned out that way. Let me try again... Hope this works;

http://www.home.zonnet.nl/realrolfje...t/overdriv.htm

No, I'm not from SG. A little up north

I believe you can also go the STS webpage and download the small utility ODR Tool V1.2.

http://www.stsrc.com.tw/info/info.php
i found the new site from this rolfje guy
http://www.xs4all.nl/~rrolfje/proceed/calckit/index.htm
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Old 07-14-2003, 01:24 AM   #2638
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Quote:
Originally posted by taz5176
i found the new site from this rolfje guy
http://www.xs4all.nl/~rrolfje/proceed/calckit/index.htm
Yup, thanks for the link. It looked like the site shifted to another webspace provider. I used google and manage to track the same original website you posted.
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Old 07-14-2003, 01:30 AM   #2639
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Quote:
[i]

Taking the stock 705 / Impulse PRO with 15T/18T pinions and 50T/46T spurs as an example;

Front Internal Drive Ratio = 24/18 x 24/16 = 2

Rear Internal Drive Ratio = 46/23 = 2

Spur / pinion ratio (1st speed) = 50/15

Spur / pinion ratio (2nd speed) = 46/18

Front / Rear Tire diameter = 62 mm (foams)


Final Front Drive Ratio (1st speed) = 2 x 50/15 = 6.67

Final Rear Drive Ratio (1st speed) = 2 x 50/15 = 6.67

Tire Rollout Front (1st Gear) = (pi) x 62 / 6.67 = 29.2 mm per engine revolution

Tire Rollout Rear (1st Gear) = (pi) x 62 / 6.67 = 29.2 mm per engine revolution


Final Front Drive Ratio (2nd speed) = 2 x 46/18 = 5.11

Final Rear Drive Ratio (2nd speed) = 2 x 46/18 = 5.11

Tire Rollout Front (2nd Gear) = (pi) x 62 / 5.11 = 38.12 mm per engine revolution

Tire Rollout Rear (2nd Gear) = (pi) x 62 / 5.11 = 38.12 mm per engine revolution

Both front and rear tire rollouts are equal and therefore, the overdrive is said to be 1:1 i.e. no overdrive. If front tire rollout is bigger than the rear, then it is overdrive. If the rear tire rollout is bigger than the front, then it is underdrive. Some people purposely set the car for overdrive (or underdrive) because it suites their driving styles.

Assuming there is no friction loss in the clutches and the engine is able to rev 36,000 rpm;

Top speed achieved (2nd gear) = 36,000 x 38.12 = 1372320 mm / minute = 82.3392 km/hr

Hope that is pretty clear [/B]
hey D
the ratio calculation from rolfje is different from the one u explained previously, why is tat so?
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Old 07-14-2003, 01:36 AM   #2640
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Quote:
Originally posted by taz5176
hey D
the ratio calculation from rolfje is different from the one u explained previously, why is tat so?
How different are you getting? What results were different? Top speed? Did you change the Top RPM from 34000 to 36000? I just checked it and it comes out with similar results
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