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russ(at)rkiphoto.com
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 Posted: Fri Apr 20, 2007 5:15 pm Post subject: q |
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I would feel anxious if I knew my throttle cable were held only by solder. The suggestion by Richard pike is a very good one, and in fact any way that a splayed-out cable can be secured with a jamming plug. Used all the time on sailboats, but never saw anything as small as a throttle cable. I wonder if an end could be cold-swedged on? That's an awesomely strong terminal fitting, approaching the strength of the cable itself. Possibly you could even run it thru a two-hole swedge fitting, making the smallest loop possible. That would certainly hold.
I once had the mix-control come out in my hand, going down the Fraser River valley in BC at about 400'; the wire simply broke. I assumed it had a return-to-full-rich spring & just flew along another half hour and landed at Hope. THEN I found out there was no such spring! -- but I hadn't tried to change the mix setting & all worked out OK.
Got an automotive control, installed it & used it another 500 hours or so.
But overall, what Roger Lee says -- "The time to practice is before you have a real problem" is the best advice anyone could get, for any subject.
I don't know for sure, but suspect a high-drag aircraft like a Kolb would be similar to Cessnas on floats --power-off, you have to hold a startlingly steep angle of descent to keep your airspeed up, then flare at a few feet above your landing surface. Otherwise you're lilkely to stall.
With a WOT throttle I think I'd roar along downwind & base, start final and when I'm SURE I had the field made, kill the engine & bleed off speed. If I thought everyone in the vicinity had radio contact I think I'd announce my problem & make a straight-in approach, holding power until over the threshold.
But every situation is different, I wasn't there, and Dennis did a fine job of handling the problem and landed without bashing anyone or anything.
A fine piece of work in anyone's book!
[quote][b]
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d-m-hague(at)comcast.net
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| Posted: Sat Apr 21, 2007 4:32 am Post subject: q |
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At 09:11 PM 4/20/2007, Russ Kinne wrote:
| Quote: | I would feel anxious if I knew my throttle cable were held only by solder.
The suggestion by Richard pike is a very good one, and in fact any way
that a splayed-out cable can be secured with a jamming plug. Used all the
time on sailboats, but never saw anything as small as a throttle cable...
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I would be nervous about the jammed on plug in a vibration application. I
have done the solder thing, both for the throttle cable on my PPG as well
as replacement window lift cables in a Mazda Miata. I used brass tubing;
ran the cable through the tubing and then stuck a pin through the strands
of the cable to spread them out. FIlled the tube with solder, pin and all,
and trimmed the pin off later. Too much heat's a killer, though.
The R/C guys use cable that's brass plated. Available from hobby
suppliers, it's MUCH easier to solder to.
-Dana
--
--
My software never has bugs. It just develops random features.
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planecrazzzy
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| Posted: Sun Apr 22, 2007 12:02 pm Post subject: Re: q |
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I ran my cables thru brass tubes....But the inspector wanted to see a goober of solder at the end of it so it couldn't just slip thru the attaching point..... 
Soldering to the galvanized cable doesn't take much heat....it's like it's pre tinned....
Gotta Fly...
Mike & "Jaz" in MN
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[/quote]
I used brass tubing;
ran the cable through the tubing and then stuck a pin through the strands
of the cable to spread them out. FIlled the tube with solder, pin and all,
and trimmed the pin off later. Too much heat's a killer, though.
-Dana
[/quote]
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