RCCrawler.com Bulletin Board

JohnRobHolmes · 07-03-2007, 05:53 PM

I have three types of voltage regulators in stock, the MPI 6 volt, the MPI adjustable, and the Ubec switching BEC. These are a must have item for anybody using high voltage or strong servos. I run them on just about every vehicle and have chosen these three for cost effectiveness and power.

http://holmeshobbies.com/home.php?cat=13

yukon635 · 07-03-2007, 06:04 PM

would you recommend these over the novak nitro regulators?

JohnRobHolmes · 07-03-2007, 06:08 PM

The Novak Universal reg is pretty nice, I just cant get novak products yet. Still waiting on a response to my last email, the story of my novak life

Offroader5 · 07-03-2007, 08:10 PM

Heard anything further on the one's that Castle are supposed to be releasing?

rcjunky3 · 07-03-2007, 10:33 PM

so they go inline from your servo to the reciever which means you would need 2 in a super ?
hustler with dual mamba maxes and 5955 servos with hyperions havent decided on a battery set up yet.

The Muscle · 07-03-2007, 11:33 PM

would you recommend one on a 2.2 front steer only with a 5955 servo? and Mamba Max?

rcjunky3 · 07-03-2007, 11:39 PM

good question i was wondering the same on that

slowrockr · 07-04-2007, 12:18 AM

Quote:

Originally Posted by rcjunky3

so they go inline from your servo to the reciever which means you would need 2 in a super ?
hustler with dual mamba maxes and 5955 servos with hyperions havent decided on a battery set up yet.

I run 1 reg from the batt to the reciever in my super. Powers my 1/4 scales no problem. I've been thinking of using 1 reg to each servo to get that little extra out of 'em though. I know where I'll order from now

montereycrawler · 07-14-2007, 08:56 AM

Got my UBEC yesterday. Very nice.

Installed it and tested it around the garage. So far I am very impressed. I can't believe how quick the servo is and how much power it has.

Thanks John

run2jeepn · 07-14-2007, 11:03 AM

Can the MPI units work with Lipo's also? I noticed that you just listed 6-7 Cells. The on the UBEC you just listed 2-3 Lipo's.

EeePee · 07-14-2007, 11:15 AM

Quote:

Originally Posted by run2jeepn

Can the MPI units work with Lipo's also?

Yep, voltage is voltage no matter what the source.

And I've used the fixed 6 volt MPI with my 2 cell Lipos.

Lipos are just batteries, nothing special really.

halfcab · 07-14-2007, 02:24 PM

how about a 3s 11.1v 2100mah lipo mamba max and the 403oz JR

JohnRobHolmes · 07-15-2007, 12:29 AM

Quote:

Originally Posted by The Muscle

would you recommend one on a 2.2 front steer only with a 5955 servo? and Mamba Max?

It would depend on your main pack voltage. A low voltage pack like a 6 cell would work well with the MPI 6 volt version. A higher voltage pack like 8 cells + would need the UBEC or adjustable reg to keep up. The UBEC is much more efficient at high voltage.

Quote:

Originally Posted by run2jeepn

Can the MPI units work with Lipo's also? I noticed that you just listed 6-7 Cells. The on the UBEC you just listed 2-3 Lipo's.

They do, but again the main pack voltage must be considered when selecting the voltage reg.

Quote:

Originally Posted by halfcab

how about a 3s 11.1v 2100mah lipo mamba max and the 403oz JR

I would suggest you wait until the Castle reg comes out, or get the UBEC. You have to use a switching reg with 3 cell lipo to get any decent power.

Johnson420 · 07-15-2007, 11:54 AM

Ordered two last night

Thanks John

JasonInAugusta · 07-15-2007, 01:09 PM

I've been using the Ubec in my electric planes, nice unit.

JohnRobHolmes · 07-29-2007, 04:22 AM

The UBEC is now labeled the Cool BEC. Same price, better construction. Castle regs coming soon...

rcjunky3 · 07-29-2007, 10:17 AM

ordered 1 last nite thanks jrh

Stormin2u · 07-29-2007, 11:01 AM

John Rob,

I'm not experiencing any problems currently but this is my set up; low voltage packs 6-7 cells, Hitec 5645, Mamba 25, brushless (TCS both motors). Nice but mild formula.

But I have run Lipos in other racing scales and love the power and weight reduction.

I plan on finishing out the season in my current formula. But over the winter I have some plans to turn up the burner which will include a voltage regulator.

How far can I push the Mamba 25 if I add a JR 9000T or Hitec 5995, Lipos 11.1 v with those additions which voltage regulator would you suggest?

Will I then need to add the Mamba Max?

Will my Mamba 25 be a good back up or just part of my RC Museum?

Thanx Stormin'

JohnRobHolmes · 07-29-2007, 03:59 PM

The mamba 25 wont put out a whole lot of BEC power. With a 3 cell lipo you will have next to no amperage available. I would suggest the Cool BEC since it is switching. You can then use the mamba 25 with powerful servos to your hearts desire.

Racer4Life · 07-29-2007, 11:14 PM

What kind of price is going to be on the Castle unit?

07-03-2007, 05:53 PM	#1
JohnRobHolmes owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down! Posts: 14,854	Voltage regulators! I have three types of voltage regulators in stock, the MPI 6 volt, the MPI adjustable, and the Ubec switching BEC. These are a must have item for anybody using high voltage or strong servos. I run them on just about every vehicle and have chosen these three for cost effectiveness and power. http://holmeshobbies.com/home.php?cat=13 Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-03-2007, 06:04 PM	#2
yukon635 RCC Addict Join Date: Oct 2005 Location: Trussville, AL Posts: 1,686	would you recommend these over the novak nitro regulators? Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-03-2007, 06:08 PM	#3
JohnRobHolmes owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down! Posts: 14,854	The Novak Universal reg is pretty nice, I just cant get novak products yet. Still waiting on a response to my last email, the story of my novak life Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-03-2007, 08:10 PM	#4
Offroader5 Picky Fab'r/Acetal Junky Join Date: Jul 2006 Location: Arizona Desert/AJ Posts: 3,107	Heard anything further on the one's that Castle are supposed to be releasing? Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-03-2007, 10:33 PM	#5
rcjunky3 Rock Crawler Join Date: Jul 2006 Location: barstow Posts: 771	so they go inline from your servo to the reciever which means you would need 2 in a super ? hustler with dual mamba maxes and 5955 servos with hyperions havent decided on a battery set up yet. Share Share this post on Digg Del.icio.us Technorati Twitter Facebook Last edited by rcjunky3; 07-03-2007 at 10:47 PM.

07-03-2007, 11:33 PM	#6
The Muscle Rock Crawler Join Date: May 2006 Location: san diego Posts: 611	would you recommend one on a 2.2 front steer only with a 5955 servo? and Mamba Max? Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-03-2007, 11:39 PM	#7
rcjunky3 Rock Crawler Join Date: Jul 2006 Location: barstow Posts: 771	good question i was wondering the same on that Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-14-2007, 08:56 AM	#9
montereycrawler Nor-CalRCRC Join Date: Dec 2006 Location: Monterey Peninsula Posts: 750	Got my UBEC yesterday. Very nice. Installed it and tested it around the garage. So far I am very impressed. I can't believe how quick the servo is and how much power it has. Thanks John Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-14-2007, 11:03 AM	#10
run2jeepn ... Join Date: Sep 2005 Location: USA Posts: 11,243	Can the MPI units work with Lipo's also? I noticed that you just listed 6-7 Cells. The on the UBEC you just listed 2-3 Lipo's. Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-14-2007, 02:24 PM	#12
halfcab RCC Addict Join Date: Oct 2005 Location: rite here all along Posts: 1,238	how about a 3s 11.1v 2100mah lipo mamba max and the 403oz JR Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-15-2007, 11:54 AM	#14
Johnson420 Quarry Creeper Join Date: Oct 2005 Location: SoCal Posts: 492	Ordered two last night Thanks John Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-15-2007, 01:09 PM	#15
JasonInAugusta 06 Super National Champ Join Date: Jun 2004 Location: Tennessee Posts: 10,268	I've been using the Ubec in my electric planes, nice unit. Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-29-2007, 04:22 AM	#16
JohnRobHolmes owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down! Posts: 14,854	The UBEC is now labeled the Cool BEC. Same price, better construction. Castle regs coming soon... Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-29-2007, 10:17 AM	#17
rcjunky3 Rock Crawler Join Date: Jul 2006 Location: barstow Posts: 771	ordered 1 last nite thanks jrh Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-29-2007, 11:01 AM	#18
Stormin2u Gold Star Baby! Join Date: May 2007 Location: Taylors Falls just hanging with the MNRCRC crew. Posts: 6,821	John Rob, I'm not experiencing any problems currently but this is my set up; low voltage packs 6-7 cells, Hitec 5645, Mamba 25, brushless (TCS both motors). Nice but mild formula. But I have run Lipos in other racing scales and love the power and weight reduction. I plan on finishing out the season in my current formula. But over the winter I have some plans to turn up the burner which will include a voltage regulator. How far can I push the Mamba 25 if I add a JR 9000T or Hitec 5995, Lipos 11.1 v with those additions which voltage regulator would you suggest? Will I then need to add the Mamba Max? Will my Mamba 25 be a good back up or just part of my RC Museum? Thanx Stormin' Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

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07-29-2007, 03:59 PM	#19
JohnRobHolmes owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down! Posts: 14,854	The mamba 25 wont put out a whole lot of BEC power. With a 3 cell lipo you will have next to no amperage available. I would suggest the Cool BEC since it is switching. You can then use the mamba 25 with powerful servos to your hearts desire. Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

07-29-2007, 11:14 PM	#20
Racer4Life Looking for scale goodies Join Date: Dec 2006 Location: In Cali. Posts: 4,053	What kind of price is going to be on the Castle unit? Share Share this post on Digg Del.icio.us Technorati Twitter Facebook

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