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Old 2011.02.21, 10:26 PM   #46
Cherub1m
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Quote:
Originally Posted by fraga View Post
So if I understand this correctly, you guys added only 1 layer of FETs to the top FETs, for a total of 6 FETs, 4 on top and 2 on the bottom. Did I got this right?
Nah, 8 fets total, 2 on top of the 2 stock fets and 2 on bottom on top of the bottom 2 stock fets for a total of 8 fets.

In the past I was removing the 4 stock fets and adding a 4 new high powered fet like the 8858 faichild fets but lately I've been just adding fets on top of the stock ones.
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Old 2011.02.22, 09:54 AM   #47
fraga
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Originally Posted by Cherub1m View Post
Nah, 8 fets total, 2 on top of the 2 stock fets and 2 on bottom on top of the bottom 2 stock fets for a total of 8 fets.

In the past I was removing the 4 stock fets and adding a 4 new high powered fet like the 8858 faichild fets but lately I've been just adding fets on top of the stock ones.
Got it. Thanks Philip!

Would you run this setup (8 FETs) with a 70t? I been reading comments that a 70t runs faster with only 4 total FETs, but mine feels slower with 4 FETs than it did with my AM board that had 6 total FETs. That is why I was thinking of going with 6 total (only adding 1 layer to the top).
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Old 2011.02.22, 03:15 PM   #48
Cherub1m
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Originally Posted by fraga View Post
Got it. Thanks Philip!

Would you run this setup (8 FETs) with a 70t? I been reading comments that a 70t runs faster with only 4 total FETs, but mine feels slower with 4 FETs than it did with my AM board that had 6 total FETs. That is why I was thinking of going with 6 total (only adding 1 layer to the top).
I am no expert on fets but from what I notice (I didn't believe it would make a difference before since the 70T does not pull much amps) but 8 fets for a 70T motor made a noticeable difference for me at my home based mini 96. I haven't tested it out on a full size track at the LHS yet but soon will. Also, I've heard some racers for 2wd mod would only have a total of 6 fets because they felt 8 fets gave them to much punch for mod. For my AWD I just recently added 4 more fets for a total of 8 fets because I like punch with the AWD(I hope I like it haven't tested it in a full track yet). For my 2wd Mod cars all have only 4 8858 fets except for one that has 4 3010 fets and 4 8858 fets (total 8 fets) that has not been tested on a full size track also so I am just waiting to see if the punch is going to be to much or just fine. In short this week is going to be a test and tune day for me, I'll let you know what happens.
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Old 2012.08.24, 05:04 PM   #49
danjoyy25
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stacking 4562 on top of OEM 3010 fets???

Just finished changing the original 3010 fets on my Mr03 with a double stacked 4562 fets just on the top side, so 4 in total. Everything works and can feel the difference but having said that I think I nearly broke the PCB so I won't be game enought to take original FETS again anytime soon as I still have an F1 and AWD to do.

I have read other post were people stack on top of OEM fets so just want
to find out if its the same process as I think for me its alot easier to do as Im not taking the risk of ruining the board.

Can I just put a single/double stacked 4562 of top of the 3010 fet and solder the input side pins individually and on the output side solder all 4 pins together???
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