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Search: Posts Made By: HPI RS4
Showing results 1 to 24 of 24
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Forum: Electric On-Road
01-05-2008, 10:55 PM
Replies: 7
Views: 1,320
Posted By HPI RS4

I would have put it in a monster struck. That...

I would have put it in a monster struck. That way you can go over rough terrain and not worry about driving 20 miles out fetching an overturned/stuck radio controlled carputer.
Forum: Electric On-Road
01-03-2008, 01:12 AM
Replies: 29
Views: 2,885
Posted By HPI RS4

what about that new 17.5t wind from Novak. Isn't...

what about that new 17.5t wind from Novak. Isn't that supposed to be comparable (at least in terms of peak wattage) to 27t? But a possible problem from this is trying to fit taller gearing to make...
Forum: Electric On-Road
12-17-2007, 04:16 PM
Replies: 12
Views: 9,819
Posted By HPI RS4

Make sure you do some searching for some E10...

Make sure you do some searching for some E10 reviews because I was tempted to buy that product myself until I read that there is some slop issues in the differentials and the way the motor is not so...
Forum: Electric On-Road
12-16-2007, 06:01 PM
Replies: 9
Views: 1,610
Posted By HPI RS4

Alright... the moment everybody has been waiting...

Alright... the moment everybody has been waiting for!! (cliff note below)

I sorted my Tenergy 3500 cells by calculating a resistance value based on what voltage and amperage values I obtained with...
Forum: Electric On-Road
12-16-2007, 02:26 AM
Replies: 13
Views: 1,954
Posted By HPI RS4

I can't see why there isn't an application for...

I can't see why there isn't an application for them still even today where people are burning up their motors by over gearing yet still want the top end thrills.

IMO I could see first gear being...
Forum: Electric On-Road
12-16-2007, 01:58 AM
Replies: 9
Views: 1,610
Posted By HPI RS4

What are you talking about?!? First of all I...

What are you talking about?!?

First of all I safely overcharged it by C/10 rate to ensure all cells will be throughly peaked before taking values. What I was questioning was the heat from the...
Forum: Electric On-Road
12-16-2007, 12:33 AM
Replies: 9
Views: 1,610
Posted By HPI RS4

Got around to getting pack 3 done. All cells...

Got around to getting pack 3 done. All cells appear good as far as visual quality. I may have to contact the Tenergy rep to see what they can do for me about that 1 (possible 2) defective cells...
Forum: Electric On-Road
12-15-2007, 05:13 PM
Replies: 9
Views: 1,610
Posted By HPI RS4

Because I was looking for some great value to be...

Because I was looking for some great value to be had in Tenergy (yet to be fully tested) and I saw they had these 8 cell 3500 mah packs for $16. Bought 3 of them to build 4 packs of 6 cell 7.2v.
...
Forum: Electric On-Road
12-15-2007, 04:58 PM
Replies: 9
Views: 1,610
Posted By HPI RS4

Alright pack 2 numbers are in! Same...

Alright pack 2 numbers are in!

Same testing procedure as initially mentioned. Note that this time that the temps are down a few degrees since last because the peak charger finished charging (@...
Forum: Electric On-Road
12-15-2007, 11:57 AM
Replies: 9
Views: 1,610
Posted By HPI RS4

My observation log of Tenergy 3500's (fyi)

Wanted to share with the community and especially for all those interested in buying some Tenergy cells (in my case they are 3500's). Here's is my initial impressions thus far...

I finally got the...
Forum: Electric On-Road
12-05-2007, 01:58 PM
Replies: 10
Views: 3,474
Posted By HPI RS4

wow so the quality still hasn't improved huh? I...

wow so the quality still hasn't improved huh? I was at least hoping for those red label 4500's to be at least closer to the spec.

Did you guys remake them into side by side configuration? Is...
Forum: Electric On-Road
12-04-2007, 03:20 PM
Replies: 10
Views: 3,474
Posted By HPI RS4

Tenergy Propel cells?

Has anybody tried these? Supposed to be their performance series?

http://www.all-battery.com/index.asp?PageAction=VIEWPROD&ProdID=1992

According to their product description it says, "Tenergy...
Forum: Monster Trucks
11-28-2007, 11:36 AM
Replies: 10
Views: 4,333
Posted By HPI RS4

Recommendations on a Warhead Evo or a 2.5 T-Maxx

I am playing the role of the rc consultant helping my sister shop for a nitro MT for her bf. With her budget of ~$350 and from what he has looked at so far in the magazine ads, we have narrowed down...
Forum: Radio and Electronics
11-24-2007, 09:26 PM
Replies: 10
Views: 3,503
Posted By HPI RS4

If you thought I was going to charge a 4s LiPo...

If you thought I was going to charge a 4s LiPo pack then let me clarify that I wasn't. I thought the whole name of the charger included the '4s' part. I was only planning to charge 2s packs. Yes I...
Forum: Radio and Electronics
11-24-2007, 03:53 PM
Replies: 10
Views: 3,503
Posted By HPI RS4

I was going to look for a DC adapter that would...

I was going to look for a DC adapter that would be rated at ~6 amps so I can use it with my digital piranha to go up to 4 or even 5 amp charges.

That and for a DC LiPo charger in the near future...
Forum: Radio and Electronics
11-24-2007, 01:06 PM
Replies: 10
Views: 3,503
Posted By HPI RS4

Power supply alternatives to PC ATX?

Is it possible or has anybody used any common 12v DC adapter to power up their DC chargers? If so what was the results?

For instance I see a nintendo gamecube power supply has an Input: AC 100V...
Forum: Electric On-Road
11-24-2007, 10:33 AM
Replies: 36
Views: 24,156
Posted By HPI RS4

A 3.5r has a rating of 620 watts (from Novak). ...

A 3.5r has a rating of 620 watts (from Novak). With that in mind then theoretically at that rpm the motor has gotta be drawing at least ~80 amps at what ever mid to high rpm value that occurs. I...
Forum: Electric On-Road
11-23-2007, 08:36 PM
Replies: 36
Views: 24,156
Posted By HPI RS4

joe of loath - Peak watts does not equal peak...

joe of loath - Peak watts does not equal peak amperage draw as shown by John Stranahan response below yours. His explanations and graphs clearly show this.


So if we know that a stock motor has...
Forum: Electric On-Road
11-23-2007, 09:38 AM
Replies: 36
Views: 24,156
Posted By HPI RS4

But that calculation is at peak watts which is...

But that calculation is at peak watts which is probably somewhere when the motor is running at the top end. Isn't it the bottom end (or any unusual high load) when the motor calls on for all the...
Forum: Electric On-Road
11-22-2007, 04:02 PM
Replies: 36
Views: 24,156
Posted By HPI RS4

Yeah something doesn't sound right to me. It...

Yeah something doesn't sound right to me. It seems that all brushless systems, even the slowest ones are rated at higher watts vs their brushed counterparts (reference specifications). I'm not sure...
Forum: Electric On-Road
11-22-2007, 12:07 PM
Replies: 36
Views: 24,156
Posted By HPI RS4

tfrahm thanks for the input and it sort of does...

tfrahm thanks for the input and it sort of does help.

I was really looking for specific answers to my initial questions originally posted.

Basically it boils down to this, how would one know...
Forum: Electric On-Road
11-21-2007, 08:25 PM
Replies: 36
Views: 24,156
Posted By HPI RS4

How much amps (continuous & peak) will a brushless system draw?

I'm going to jump on the brushless bandwagon soon and I need some energy, battery and brushless information.

I've been researching a lot and I came upon some questions which I can't find the...
Forum: Nitro On-Road
10-02-2007, 10:42 AM
Replies: 0
Views: 597
Posted By HPI RS4

Who likes small blocks?

Are there any 0.06 or 0.09 ci (1.0/1.5 cc) nitro engines available in the market? Are any of these a direct drop in into 1/10th scale? How is the quality? Power?

Just curious because with any...
Forum: Nitro On-Road
09-27-2007, 09:33 AM
Replies: 0
Views: 486
Posted By HPI RS4

Unhappy Belt alignment woes

In my HPI RS4 the front belt keeps wanting to veer to the left side of the differential pulley. Sometimes it'll ride up over the pulley's lip edge and cause binding and drag with the bulkhead...
Showing results 1 to 24 of 24


 
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