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Search took 0.01 seconds. Search: Posts Made By: Matt Airbrushing
Forum: Electrics 18-10-2010
Replies: 9
Views: 922
Posted By Matt Airbrushing
Can anybody explain why charging at more than 1C...

Can anybody explain why charging at more than 1C reduces lipo life?
Will charging at 1/2 C make my cells last even longer?
Forum: Schumacher 18-10-2010
Replies: 21
Views: 8,582
Posted By Matt Airbrushing
Ive been racing my old Axis at bedworth in the...

Ive been racing my old Axis at bedworth in the stock class (17.5) and its pretty competitive. Maybe a few tenths off the ultimate pace, but with me driving its more than capable. Being almost...
Forum: General Race Chat 26-09-2010
Replies: 103
Views: 13,263
Posted By Matt Airbrushing
Precisely. Although mk2kompressor is doing...

Precisely.

Although mk2kompressor is doing his best to inform us on developments it would be much better to hear things straight from the horses mouth.

Although this may seem like a negative...
Forum: Electrics 26-09-2010
Replies: 2
Views: 737
Posted By Matt Airbrushing
The reason for this thread was as much to find a...

The reason for this thread was as much to find a way to benchmark my new cells as to test the old ones.

My charger does not have a discharge setting.

Maybe a I can borrow a protrack and use...
Forum: Electrics 26-09-2010
Replies: 2
Views: 737
Posted By Matt Airbrushing
How to test LIPO packs

IVe had my lipo's for about 6 months or so.

I only have one pack and ive been racing once or twice a week so they have done around 150-200 cycles (26 weeks, 1.5 meetings per week, 5 races per...
Forum: Electrics 26-09-2010
Replies: 7
Views: 1,127
Posted By Matt Airbrushing
If your a beginner a 8.5 will be plenty fast...

If your a beginner a 8.5 will be plenty fast enough.
A 6.5 will be too quick and you will only find it hard to drive and break the car more often.

How did you "clean" your ESC?

If you need to...
Forum: Electrics 26-09-2010
Replies: 3
Views: 647
Posted By Matt Airbrushing
Could the wire have touched any other components...

Could the wire have touched any other components or connectors when it came loose?

If this has happened then the ESC might be damaged.

These ESC are almost impossible to repair, so other than...
Forum: Electrics 26-09-2010
Replies: 3
Views: 647
Posted By Matt Airbrushing
Did you try a different sensor wire?

Did you try a different sensor wire?
Forum: R/C Graphy! 26-09-2010
Replies: 5
Views: 1,979
Posted By Matt Airbrushing
A nice big washer made from spare lexan will be...

A nice big washer made from spare lexan will be the best way to fix this.
The bigger the better as it will give you more area to glue.

If you have some thin but strong double sided tape this...
Forum: General Race Chat 23-09-2010
Replies: 14
Views: 1,034
Posted By Matt Airbrushing
It may be that your servo horn is a little too...

It may be that your servo horn is a little too short.
This can mess up the geometry of the steering a bit if its excessive (it will feel like you have negative expo)
Forum: Team Associated 19-09-2010
Replies: 3
Views: 1,099
Posted By Matt Airbrushing
A photo would help. It sounds like you may...

A photo would help.

It sounds like you may have pulled the plastic ball cup away from the turnbuckle (the metal rod that connects the two balls)

You may be able to pop the balljoint back off...
Forum: I Made This ! 18-09-2010
Replies: 16
Views: 2,406
Posted By Matt Airbrushing
Thats because the calculation is for 3 seconds. ...

Thats because the calculation is for 3 seconds.

If you rev a motor then its more like half a second (six times the force?)

But the proportion of inertia between the wheels and the rotor will be...
Forum: I Made This ! 18-09-2010
Replies: 16
Views: 2,406
Posted By Matt Airbrushing
Thanks for doing those quick calculations :) ...

Thanks for doing those quick calculations :)

I think I will stick with my current design for the moment.

I may be able to modify the gearbox design to include an optional idler gear for testing.
Forum: I Made This ! 18-09-2010
Replies: 16
Views: 2,406
Posted By Matt Airbrushing
Motor direction in a mid motor 2WD

Ive started to build a mid motor car based on a B4.

Rather than build a 4 gear transmission or use an idler gear ive moved the layshaft onto the other side of the gearbox so the motor rotates in...
Forum: Wanted 18-09-2010
Replies: 3
Views: 857
Posted By Matt Airbrushing
Hi Sam. Im pleased your getting on ok with...

Hi Sam.

Im pleased your getting on ok with the cx2

I do have some bits to make up a belt CP, but I will need to rebuild it before it can be sold. (probably take me a week or so to get it into a...
Forum: Electrics 15-09-2010
Replies: 15
Views: 1,824
Posted By Matt Airbrushing
A low turn motor on 3 cell will be very powerful....

A low turn motor on 3 cell will be very powerful.

I think the most difficult thing will be gearing.

If you run on 3 cell then the motor will spin 50% faster, you may need to gear down to make...
Forum: General Race Chat 14-09-2010
Replies: 7
Views: 1,166
Posted By Matt Airbrushing
You can get the rose joints from a helicopter...

You can get the rose joints from a helicopter place.
They should be decent quality.

Helicopters almost always have threaded rod rather than turnbuckles so im not sure where to get turnbuckles....
Forum: General Race Chat 14-09-2010
Replies: 57
Views: 4,863
Posted By Matt Airbrushing
As I dont race competitively any more I wont...

As I dont race competitively any more I wont travel long distances to get to nationals or big meetings just for the racing.

However if lots of people I know are going to a meeting and it sounds...
Forum: General Race Chat 13-09-2010
Replies: 20
Views: 1,808
Posted By Matt Airbrushing
Lots of off road clubs go indoors and race...

Lots of off road clubs go indoors and race touring cars during the winter.
Although other classes might be raced indoors like Mardave, 12th scale and others.

Like I said in my first post, take a...
Forum: General Race Chat 13-09-2010
Replies: 20
Views: 1,808
Posted By Matt Airbrushing
Not particularly. 2WD is more popular at most...

Not particularly. 2WD is more popular at most clubs and a bit cheaper.

These cars are quite strong and although you will break things parts are fairly inexpensive.

For £400 you can get a very...
Forum: General Race Chat 13-09-2010
Replies: 20
Views: 1,808
Posted By Matt Airbrushing
I wouldn't bother with ebay for second hand...

I wouldn't bother with ebay for second hand stuff.

Better to buy from the oople classifieds, at least that way you should get a honest advert.

If your buying a car you want something that other...
Forum: R/C Graphy! 13-09-2010
Replies: 13
Views: 1,967
Posted By Matt Airbrushing
The most important thing is to clean the shell...

The most important thing is to clean the shell properly.
Use washing up liquid and give it a really good clean.
Then rinse it out with warm water.
Then a gentle wipe with motor cleaner to remove...
Forum: General Race Chat 13-09-2010
Replies: 20
Views: 1,808
Posted By Matt Airbrushing
Touring car is probably a bit easier to drive,...

Touring car is probably a bit easier to drive, but can be more expensive.

I would visit all the clubs that are within sensible travelling distance and pick the club you feel the most comfortable...
Forum: R/C Graphy! 11-09-2010
Replies: 26
Views: 4,854
Posted By Matt Airbrushing
Im also after a new compressor as my small one...

Im also after a new compressor as my small one has started to wear out, its not giving consistent pressure any more.

Anybody got any recomendations?

I dont mind spending a bit extra as im doing...
Forum: General Race Chat 09-09-2010
Replies: 45
Views: 4,295
Posted By Matt Airbrushing
I used these at the silverstone weekender. On...

I used these at the silverstone weekender.
On the dry astroturf they gave plenty of grip.
Once it rained they were pretty hopeless.

I then ran them on grass at Hinckley and they worked very well...
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