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Old Mar 13, 2012, 03:19 AM
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JR DS378HV Servos

Has anyone tried these servos? Wondering on others experiences or opinions
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Old Mar 13, 2012, 04:53 AM
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Alex,
I am using these servos in all my F3J, F3F, gliders and my Baudis Antares, What are you wanting to know. LJ
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Old Mar 13, 2012, 09:02 AM
launch low, fly high
New Zealand, Hawke's Bay, Havelock North
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Alex,

See if the JR 189HV is available yet. I got my hands on a few 181 (the non-HV version) and have been using them this week in my new Maxa. Very very nice...
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Old Mar 13, 2012, 12:32 PM
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Thinking whether to go MKS 6125 or DS378HV in some of my DS models. I run DSM2 and prefer running HV servos through direct 7.4V
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Old Mar 13, 2012, 07:01 PM
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What about the 388HV? What's the difference vs. the 378, just the mounting tabs?
There's some in the want ads for what looks like a good price.
http://www.rcgroups.com/forums/showthread.php?t=1613007
Would these work for the D80 elevator?
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Old Mar 14, 2012, 10:16 PM
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If you wanted to buy some JR 181 servo's where do you buy them ?? or any JR wing servo's ?? please
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Old Mar 14, 2012, 10:46 PM
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Here's the 189
http://www.jrpropo.co.jp/english/pro...db_flg=eng_db1
Looks like the 181 is 4.8 V only.
http://www.jrpropo.co.jp/english/pro....php?hen=02147
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Old Mar 14, 2012, 11:14 PM
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Kindly note in advance that some of the products shown in the list are only available in Japan. Therefore, they are not sold through our global distributors.

?????? and no price on those links ..... Says made in Malaysia. sold in Japan and no global distributors on some products.

MKS I can buy simple and easy. Airtonics also ?

Nothing on JR
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Old Mar 15, 2012, 12:21 AM
launch low, fly high
New Zealand, Hawke's Bay, Havelock North
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Quote:
Originally Posted by AlpineDSacro View Post
Kindly note in advance that some of the products shown in the list are only available in Japan. Therefore, they are not sold through our global distributors.

?????? and no price on those links ..... Says made in Malaysia. sold in Japan and no global distributors on some products.

MKS I can buy simple and easy. Airtonics also ?

Nothing on JR
The 181/189 servos should make it in to the distribution channels shortly, for OZ a good source may be ( http://www.modelflight.com.au ), they carry a pretty complete line of JR servos.

One comment. I received some of the very first servos, they were not even sure whether I was going to get the correct labels on the servos... Maybe I should not have mentioned them until they are available at the LHS!
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Old Mar 15, 2012, 08:13 AM
kdt
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Quote:
Originally Posted by 1000MPH View Post
What about the 388HV? What's the difference vs. the 378, just the mounting tabs?
There's some in the want ads for what looks like a good price.
http://www.rcgroups.com/forums/showthread.php?t=1613007
Would these work for the D80 elevator?
Yes, the only difference between the 388 and 378 is the case. 378 has the tabs for wing mounting and 388 has the tabs for in fuse mounting. I glue mine in the wing so no worries about which tabs to use ... The above add is still valid. . Excellent servos... Need to raise some cash for new model delivery or I would keep them.
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Old Mar 16, 2012, 09:34 AM
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Is it the same case and gears as the DS378? I must be missing something because at first glance, it appears to have less torque, slower speed, and runs at higher voltage?
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Old Mar 17, 2012, 01:28 PM
kdt
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Different case

Quote:
Originally Posted by sll914 View Post
Is it the same case and gears as the DS378? I must be missing something because at first glance, it appears to have less torque, slower speed, and runs at higher voltage?
The top of the case is the only difference to my understanding. Are you confusing the DS378/388 with the DS378/388 HV (high voltage)? There are different specs for the high voltage versions.
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Old May 07, 2012, 04:31 PM
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I'm on the look out for some more servos like these. If anyone sees some second had, or has any, let me know
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Old Jun 20, 2012, 04:46 PM
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Dallas, TX
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I have four of the DS378HVs in my Supra Pro running off a 2s LiFe pack. Works great, but people say it is the loudest Supra they have ever heard. You definitely know when they are powered up.

Alan
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Old Mar 20, 2014, 09:11 AM
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Warwickshire, England
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They still haven't cured the noise problem on these I see hear.
Well it's better to be fair and not quite as intrusive.

Gears seem very tight. Hopefully centring is good.
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Last edited by satinet; Mar 20, 2014 at 09:20 AM.
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