Today's Message Index:
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1. 06:16 PM - R2300 Wiring (dj_theis)
2. 06:41 PM - Regulator set point (Ernest Christley)
3. 10:42 PM - Re: Regulator set point (user9253)
Message 1
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Hi Gents,
I (and my partner) are building a Sonex and using a R2300 (Revmaster) engine, which
for those that may not be aware, is a VW derivative. There have been a few
questions a while back regarding the PM charging system on the R2300, some
that were never answered. One of the unanswered questions was the rather unusual
wiring of the rectifier/regulator. The PM regulator has one of the AC lines
tied (shunted) to the + battery terminal. While I don't fully understand the
advantages of such a regulator, I have found that Revmaster is not alone with
this approach. The AeroVee engine, which is another VW conversion, uses a very
similar PM charging system and regulator wiring scheme.
I'm posting this request for open comments, from the forum, on the electrical diagram
I've generated for the Revmaster. I've based this layout very loosely
on the Aerolectric Connection's Z16 example.
The R2300 has two separate PM alternators. The construction of the PM alternators
is such that the two alternators will produce roughly the same AC waveform,
in phase. The coils that make up the dual alternators are energized with 12
Neo magnets (6 North and 6 South poles) for a 6 cycle per rev charging system.
A crude diagram of the alternator is included on the schematic (page 1). The
overvoltage and selection switching I've constructed should allow for the original
Z16 "Off, Batt, Alt" selection in series with a "Left, Both, Right" selection
for the alternator. I have also drawn two capacitors, which, after I
think about it, might be excessive.
The last item that might catch the forum's attention is the Essential Bus switch.
My thinking here was to be able to have an "OFF" selection for the avionics,
which is the entirety of the E-bus. The second page of the schematic is made
up almost entirely of the avionics, which is all fed from the E-bus, with the
exception of the servos. I recognize that I have some "clean-up" with regard
to shielded cables (that intend to use for all serial and radio connections).
I'll take any comments on the layout that come my way. I'm looking for constructive
criticism and avoidance of obvious mistakes.
Thanks in advance for your time and feedback.
Dan Theis
Sonex 1362
--------
Scratch building Sonex #1362
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478745#478745
Attachments:
http://forums.matronics.com//files/z16m_revmaster_2300_r5_page_2_177.pdf
http://forums.matronics.com//files/z16m_revmaster_2300_r5_page_1_173.pdf
Message 2
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| Subject: | Regulator set point |
I've switched to using a LiFePO battery.=C2- I accept the limited power r
eserve it has in the case of a generator issue, because I'm not a big fan o
f really long flight legs=C2- and the weight benefit for my Corvair equip
ped 601XL is exceptional.=C2- That being said, more reserve is a good thi
ng.=C2- My Kubota regulator for the PM generator is set at 13.8V.=C2- T
here was some talk a few years ago of modifying the regulator to a higher s
et point.=C2- How would this feat be accomplished?=C2- I'd like to set
it between 14.3 and 14.5.
Message 3
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| Subject: | Re: Regulator set point |
The easy way is to replace the regulator. Search eBay for part number AM101406.
I think that the only difference between the search results is the price.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478752#478752
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