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Old 03-23-2005, 06:33 AM   #7936
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Old 03-23-2005, 06:34 AM   #7937
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Old 03-23-2005, 06:35 AM   #7938
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Old 03-23-2005, 06:36 AM   #7939
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Old 03-23-2005, 06:37 AM   #7940
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Old 03-23-2005, 06:38 AM   #7941
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Old 03-23-2005, 06:39 AM   #7942
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Old 03-23-2005, 06:39 AM   #7943
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Old 03-23-2005, 06:41 AM   #7944
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tech 415 8 (macau .415 fans)Via HONG KONG
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Old 03-23-2005, 06:45 AM   #7945
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Thanks Nexus.

I`m use Take-off cs27 rubbertires when racing. I was just wondering at is that Parma Alfa body good for that.

Our rules (EFRA) can`t allowed bodys like Mazda6, Accord or Subaru b4
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Old 03-23-2005, 07:50 AM   #7946
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given everyone posting images today, thought I'd chip in

first up, some pics of my new body, nice Dodge 3.0







now pics of my car.... yes it does occasionally go outdoors (and not like a mates Xray, the only time it goes outside is too and from the car at the track )





And finally one of my latest "add-on", a double Cool Can Fan... hopefully keep the motor seriously cool (been told to expect around a 20-30deg drop in motor temp )



Anyway, guess I'd better get back to sorting out the results for my dissertation, ah well....

Later
Ed
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Old 03-23-2005, 09:33 AM   #7947
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Hey Ed,

Nice looking fan setup. Would even be better if you could run a heat sink on the can, and still have the fan blowing on it.

How did you wire them? I've got a Spektrum on the way, and with only 3 slots (compared to 4 on the Airtronics reciever), I will need to get creative. I was thinking that running the fan leads to a seperate switch would be best, so it could be left on while I marshal, but I'm not sure how best to do that. The fans that Trinity sells are cheap, and I don't think they would handle voltage straight from the battery, so I would need to wire into the reciever voltage (I think 5v in most cases?). Let me know how your's is setup, or if anyone else has a cool setup, post it.

Thanks,

Mike
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Old 03-23-2005, 10:28 AM   #7948
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hey cheers, check the Cool Can Thread on here for where to get them, and the bracket (only had to make one modification, the hole for the layshaft stopper).

Firstly I need to point out something, in that pic the fans are the wrong way up, DOH! I took them off to snad the edges of the carbon bracket, put them back in so they would be sucking instead of blowing... opps.

Also, I've taken the heat sink off for now, the on i have basically covered the can cooling slots, so no air was getting inside the can. With the fans, the inner one is blowing directly into the top set of slots.

With regards to wiring, if you look closely at the pic, you can just see the wires from the fans going to terminals on the speed control. As it stands at the moment, I have them wired directly too the batt terminals, so as soon as the batt is plugged in, the fans are spinning (even if the esc is off). This is much like your switch idea.

The other option of direct wiring is via the motor leads, this way, the fans only spin when the esc is on..BUT they spin in proportion to motor speed (given they are running off the same variable voltage input), so the faster the motor spins, the faster the fans spin.

Personally, I've opted for the battery route for two reasons.
1) its useful in helping drop the temp of the motor before and after a run, as they don't require the car to be on.
2) constant spin rate on the fans, so regardless of motor speed, the same amount of cooling is going on.

The other option I have (if i don't like them the way they are) is too plug them into my Aux port on my reciever.... that way i could even adjust them whilst racing.... hehe step too far me thinks . I appreciate you don't have this option....

Later
Ed
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Old 03-23-2005, 10:38 AM   #7949
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tryhard - nice setup!

----------

Quote:
I`m use Take-off cs27 rubbertires when racing. I was just wondering at is that Parma Alfa body good for that.

Our rules (EFRA) can`t allowed bodys like Mazda6, Accord or Subaru b4
If that's the case I would probably stick with the Stratus 1, 2, or new 3.0 style bodies.

----------

Has anyone tried to mount an additional rigid plastic type bumper under the foam bumper of their 415s?

With Pro4s we were putting BRP wide bumpers so that the rigid bumper extends to cover the front arms. The 415 foam and bumper mount seem ok but racing indoors it's nicer to have something wider.
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Old 03-23-2005, 10:52 AM   #7950
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Watching Fernado at the Nats. his brushless 415 was on fire, so let me say this again, the 415 is sick on carpet
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