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PGLong
Joined: 10 Jan 2006
Posts: 37
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 Posted: Fri Aug 17, 2007 3:47 am Post subject: Starter Wanted |
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A friend of mine is searching for a starter for his project. Think he
said it was for a GO-430 Lycoming. He needs a serviceable Bendix 397-4-B starter.
This starter mounts on the accessory case. Any one help on this one?
__________________
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Pat Long
RV-4, N120PL
Bay City, MI
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Pat Long
RV-4, N120PL
Bay City, MI |
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gyoung
Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas
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| Posted: Fri Aug 17, 2007 6:19 am Post subject: Starter Wanted |
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That's better known as an Eclipse E-80 starter. I've got one on the GO-480 in my Navion. I just had mine O/H'd by S&T Aircraft Accessories in New Braunfels, TX. They will be very expensive buying thru a shop. Normal O/H is $750 - mine was ~$1500 due to some broken parts. Try to find one at a salvage yard or private - it will likely be much cheaper. The GO's (435 & 480) were used on Helio's, SeeBee's, Twin Bo's, Queen Airs, Twin Commanders, Navions and others. The E-80 was also used on Continental E-series engines and a bunch of radials but you can't use that version..
There are MANY variations of the E-80 so it's important to get the right one. The Lycoming version turns the opposite of most other applications. They call it right hand turning. The Lyc's model numbers are even numbers. The Continental/radial types have odd model numbers. The motor can be rewired to turn either direction but the clutch and dogs are direction specific so you can't really convert. The clutch dogs are another variable. Mine has 3. The GO-435 probably does too but there are other possibilities - I've heard up to 10 dogs. The clutch also gets a torque setting unique to each engine type. That at least can be reset to whatever the GO-435 needs. There are also different style clutches but they are compatible. My "C" clutch has a rubber seal rather than the leather seal of the "B" and "A". My data plate is stamped as a model 10C. Then there is voltage - they come in both 12 and 24 which I believe can be changed (not totally sure of that.)
Once he goes to install it, there are both positive and negative studs. Normally there is an insulating washer only on the positive. It does not ground only thru the case like modern starters. I was told the clutch housing is magnesium and won't carry the current. Regardless of the reason, plan on a separate ground strap - it won't work without it. If you need to run it on the bench to determine pos vs neg, just bump it. DO NOT let it spin up, it can come apart without a load on it.
Unfortunately there is no alternative starter for the GO-480 or GO-435. The downside is it's old and heavy but otherwise it's a good starter. BTW, what's your friend's project?
Regards,
Greg Young - Houston (DWH)
RV-6 N6GY - project Phoenix
Navion N5221K - just an XXL RV-6A
[quote] From: owner-lycomingengines-list-server(at)matronics.com [mailto:owner-lycomingengines-list-server(at)matronics.com] On Behalf Of PGLong(at)aol.com
Sent: Friday, August 17, 2007 6:47 AM
To: lycomingengines-list(at)matronics.com
Subject: Starter Wanted
A friend of mine is searching for a starter for his project. Think he
said it was for a GO-430 Lycoming. He needs a serviceable Bendix 397-4-B starter.
This starter mounts on the accessory case. Any one help on this one?
__________________
--------
Pat Long
RV-4, N120PL
Bay City, MI
title=http://discover.aol.com/memed/aolcom30tour/?ncid=AOLAOF00020000000982 href="http://discover.aol.com/memed/aolcom30tour/?ncid=AOLAOF00020000000982" target=_blank>AOL.com.
| Quote: | | [b] href="http://www.matronics.com/Navigator?LycomingEngines-List">http://www.matronics.com/Navigator?LycomingEngines-List href="http://forums.matronics.com">http://forums.matronics.com Free Date: 8/15/2007 4:55 PM |
8/15/2007 4:55 PM
[quote][b]
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PGLong
Joined: 10 Jan 2006
Posts: 37
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| Posted: Fri Aug 17, 2007 11:55 am Post subject: Re: Starter Wanted |
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Hi Greg and thanks for your indepth reply. My friend is building a one of a kind, mostly wood, low wing aerobatic, single seat aircraft of his own design. He has built upwards of 30 aerobatic aircraft others mostly with Lycoming 300 HP. Thanks again for your reply. He also thought that with the availability of these starters, that he would add a ring gear to the geared output. Said he has done it before and worked well with GM starters. Thanks again, Pat
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Pat Long
RV-4, N120PL
Bay City, MI |
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gyoung
Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas
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| Posted: Fri Aug 17, 2007 1:18 pm Post subject: Starter Wanted |
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I've gotten an expensive education on the subject and am always glad to
spare others some of the grief. I'm a little surprised to hear a GO going in
an acro ship. The gearbox is sensitive to wear and build up of gear lash if
the throttle is jockeyed around. The normal operating caution is to "always"
keep power on the prop. I land with a touch of power and don't fly wing in
formation to avoid prop braking. The nosebox O/H can get very expensive if
the gears get worn. Less an issue on experimentals but still a concern. I'm
always glad to hear of folks with new and different designs though.
Regards,
Greg Young - Houston (DWH)
RV-6 N6GY - project Phoenix
Navion N5221K - just an XXL RV-6A
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