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Old 02-03-2003, 08:02 PM   #301
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Default anyone if interested!!

I have 2 more 705 in stock NIB!!

email me

thanks
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Old 02-03-2003, 09:11 PM   #302
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Old 02-04-2003, 04:57 AM   #303
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Quote:
Originally posted by ammdrew
front knuckles, rear knuckles....

in that order, some have issues with front bumpers breaking????

some runs of the rear axels have been week, they would then snap easy...
If you're just starting out, then the bumper plate (801125) and the upper front bumper plate (801115) breaks when you hit head on at a decent speed. As you go along, you'll never replace them. You'll also replace the front left knuckles when you nick the boards depending on how you run around the track, CCW or CW. The front left lower arm (again depending on how you run the track) when it does not break due to crashes, will bend after a while when you corner hard mostly to the right side. I find that it does not affect tweak settings... Just that it's a sign that there's a good chance that it'll break upon a next hard impact.

After a while, you may snap the pivot pins although this would be on extreme occasions. Unlike the other brand I know, you'll never need to replace the stock pivot balls.

The other thing is belts... You will need a spare front belt. Be extremely careful if you run on dirty tracks. Although there's a high risk that the front belts will break, I find that the problem is not so apparent with the 705 with the Impact style pulley mountings. I don't know why but people seem to strip more belts and pulleys using the old style Impulse pulley mountings. Changing to the grub screw Impact style and the problems are almost minimal.

Andrew, when you mention about the rear axels being weak, are you specifically referring to the 705? I don't hear of any report of it being weak although it's made of normal carbon steel and not made of Hudy spring steel like the one for the Impact.
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Old 02-04-2003, 09:14 AM   #304
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Quote:
Originally posted by RCInfinity
What is the most common thing that breaks on the 705?
I think the shock bodies are the worst culprit. I have already rebuilt 2 sets....I'm gonna try alum. shock bodies next.
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Old 02-04-2003, 09:56 AM   #305
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Quote:
Originally posted by Pit-racer
I think the shock bodies are the worst culprit. I have already rebuilt 2 sets....I'm gonna try alum. shock bodies next.
The aluminum ones work flawless in my PRO. I haven't had enough run time on my 705 to ascertain the problem.
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Old 02-04-2003, 10:00 AM   #306
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Also get rid of the frt. one-way plastic pulley and get yourselves the alum. one.
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Old 02-04-2003, 10:05 AM   #307
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What's wrong with the plastic ones? I've been using the same one way 24T front diff pulley on my PRO since last year.

BTW, I've heard people using the Mugen MTX-2 shocks on the PRO with some modifications. I think length wise, they are about the same. Don't know if they are the same the MTX-3 uses.
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Old 02-04-2003, 03:00 PM   #308
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Quote:
Originally posted by InitialD
What's wrong with the plastic ones? I've been using the same one way 24T front diff pulley on my PRO since last year.
Strips out with the newer high powered engines.
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Old 02-04-2003, 03:16 PM   #309
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What kind of newer high powered engines?
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Old 02-06-2003, 01:51 PM   #310
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Like the NovaMega, or RB?
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Old 02-09-2003, 09:37 PM   #311
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What are you guys using for the battery on the car? The Serpent pack, or something made from scratch?
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Old 02-09-2003, 10:28 PM   #312
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Quote:
Originally posted by RCInfinity
What are you guys using for the battery on the car? The Serpent pack, or something made from scratch?
I made something from scratch. I think its cheaper that way.
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Old 02-09-2003, 10:57 PM   #313
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RCInfinity,

Powerful engines as in the likes of Rody tuned RB 5 port engines, JP 5 port engine and NovaMega's own MS tuned 5 port engine.

I actually do not have problems with stripping the front 24T on the one way in the Impulse PRO like what Pit-racer claimed.

Besides, I think a Centax clutch and a 13T / 50T gear ratio is pretty punchy enough.

As for battery packs, I don't think Serpent has one out yet for the 705. It's pretty easy to assemble. Get 5 pieces of AAA battery. The largest capacity is of 750 mAh flavour from Sanyo. You can get the ones with tabs and ones without (commercial and non-commercial ones). Line them up (4 at the bottom and the last battery exactly at the top of the 1st or the 4th battery at the bottom) and solder them in series. You need to get a battery connector by the way to connect the battery pack to your receiver. Heat shrink it, put in the 705 battery tray and you're set.
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Old 02-09-2003, 11:48 PM   #314
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InitiaD
I don't know if you got my email a few days ago, I wanted know to the part #'s for the pulley adapters for the side rear and mid pullies, the middle pulley shaft, the 17t side pulley from the Impact. Wasn't there a conversion kit for doing this?
Thanks Roy
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Old 02-10-2003, 03:20 AM   #315
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Roy,

Sorry but I did not receive the mail you sent. I think I need to update my particulars. In any case, if you need anything, feel free to PM me.

Concerning the conversion on the drive train, Serpent only came out a package for the front drive train 801350. If you get that, you will not be able to buy the mid hollow shaft

Anyway, now that there is a 17T pulley for the side belt, the Impulse can be made to run with 2 different drive ratios.

Drive ratio 2 (stock)

I'm assuming you're doing this on your Impulse PRO. Below is what I'm currently using even before the 705 came out. They fit fine. Just that the 24T side belt pulley needs to come out further (about 2 mm more) to align properly with the 18T side belt pulley. The 18T pulley comes out a bit because of the 9616 MK2 Adapter. On the 705, the 808265 Aluminum pulley adapter is used instead to mount this 18T pulley in reverse. You need to file a flat spot on the 2 speed shaft in order to mount the grub screw of the aluminum adapter for the 18T pulley. They align correctly. So if you follow the 705 route, then you need 3 pieces of the 808265 Aluminum pulley adapter. Also, in the 705, there is a new part that replaces the 9614 Aluminum brake pulley adapter. It's now called 909248 Pulley-brake adaptor aluminum. It's the same as the old one but now it does not mount with a help from a pin but there is a grub screw on it. So again, you need to file a flat spot on the 2 speed shaft for this.

808261 24T Side Belt Pulley
808225 16T Middle Mid Shaft Pulley
808265 Aluminum pulley adapter (you need 2)
808253 Hollow middle shaft

9616 23T pulley
9614 Aluminum brake pulley adapter
9619 MK2 adapter (or 808265 Aluminum pulley adapter)
808260 18T Side 2 Speed Shaft Pulley

Additionally, though not needed, I went ahead and bought the 9632 2-speed shaft 4-WD hollow.


Drive ratio 2.136

I have not tried this yet. Similar parts in the front to the ones above but the rear there is slight changes. If you're still using the stock rear Impulse gear diff, then you're out of luck. There is no part number to convert it from 46T to 47T. You can only fit the 47T pulley if you're using the Impact Ball Diff, FPS diff or solid axle.

808261 24T Side Belt Pulley
808225 16T Middle Mid Shaft Pulley
808265 Aluminum pulley adapter (you need 2)
808253 Hollow middle shaft

909242 22T pulley
9614 Aluminum brake pulley adapter
9619 MK2 adapter (or 808265 Aluminum pulley adapter)
801252 17T Side 2 Speed Shaft Pulley

808373 Solid axle pulley 47t
or
808376 Differential pulley 47t for ball diff
or
808396 FPS-diff. pulley 47T

Hope this helps...
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