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jindoguy(at)gmail.com
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 Posted: Fri Sep 29, 2006 3:47 am Post subject: fuel troubles |
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Larry, My outcome was a bit better than yours when my primer bulb went south as I was still over the runway. It's been noted here by others how vulnerable the fuel system is with a primer bulb in the main fuel line. The solution, one of many, I'm sure, is well documented, just put a bypass line around the bulb so fuel will flow if the check valves jam up and pinch this line off when the primer bulb is needed. The only problem I've found with this is that Bing blue fuel line is stout stuff. My solution to my weak fingers is to put in an inline valve (CPS part no. 7215) into the bypass line and a nylon tie to lock the valve in the open position for flight (I had one vibrate closed on my Kasperwing). Less than $20 for the valve, tees, and clamps.
Congrats on getting back into the air and finding the problem, too.
Rick
On 9/28/06, Larry Cottrell < lcottrell(at)fmtcblue.com (lcottrell(at)fmtcblue.com)> wrote: | Quote: | As I mentioned earlier I finished the Firestar to the point that I could get her back in the air. As you might remember I had to make an off field landing in the first part of May and ended up on my back with my wheels in the air.
[img]cid:001301c6e37b(at)usermj5tjr71vq[/img]
The only real damage to the structure was the tube that the rudder pedals set on. The fabric was trashed in transporting it to a trailer across hill and dale. I found when I recovered it that auto paint and stitts fabric apparently do not mix well. At least that was the AD that came with my covering kit. The paint of course was auto paint. I had wanted to recover it this winter any way. Just not at the beginning of summer.
I decided that if I was going to have to traverse this hostile terrain then I would need bigger tires, less air. I got some rims from Thom, put 800x6 on them. Got some new landing gear from Terry Davis. Next was a new pod from TNK, EIS with a remote which I mounted on the stick grip (new)( Thanks John Williamson for the idea). I made a gascolater (Jim Heffner) ordered new tubing, pulse line, ELT, ( so the wife can find me) Strobes, new Warp Drive prop, new fuel sending tubes, (still don't work, wrong solution to the problem obviously).
I spent about a month and half working on getting the new place squared away, and getting ready for the winter to come. Then finally on Aug 18 Roger Hankins came over to help me get started. We worked 16 hours a day for 8 or 9 days getting the covering on. After that of course came the paint process. Unfortunately due to desert conditions the paint is not as perfect as the covering job, but it will do nicely.
So today I finally got every thing ready to test fly. I set my new prop to 9 degrees (6200 on ground) and as I was getting ready to taxi, noticed that there was something wrong with the fuel delivery. It seemed to level out. I tried extended runs with the plane chained to the tractor, but the prop was picking up rocks from the ground and I had to quit. Karen went half way down the runway to watch, and I gave it full throttle and took off. I got up a couple hundred feet and the rpm's cut back. I whipped around and put it on the ground and taxied back to the hanger. To make a long story shorter, I first changed the main jet. ( needed to do that since I had remover the silencer) flew and had the same problem. Cut out the gascolater, same. changed the pulse pump-same, cut out the lines going to the gas selector - same, cut out the squeeze bulb- bingo! That was a brand new bulb purchased from Aircraft Spruce to replace the old one. It appeared to work ok, but apparently there was a problem with the check valve in it. I could run at reduced rpm's just not enough to climb. Lucky for me that it would at least keep on running enough to get me around to the runway to land or I would have had another sage brush landing again. Don't need that at all.
I am going to be tied up for tomorrow, but Sat will be when I can get to her again and do some of the finish odds and ends left to do. I am going to have to reset my prop a little less pitch, and then I will be able to evaluate what the new warp will do. Daryl claimed that it would increase my speed by about 10 MPH. I got the one with the nickel leading edge and the mod to the tip. That particular mod cost me an extra 110 bucks
Its good to be back in the sky again!
Larry, Oregon
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--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
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jbhart(at)onlyinternet.ne
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| Posted: Fri Sep 29, 2006 4:00 am Post subject: fuel troubles |
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From: "Larry Cottrell" <lcottrell(at)fmtcblue.com>
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I got the one with the nickel leading edge and the mod to the tip. That
particular mod cost me an extra 110 bucks
................................
Larry,
What was the tip mod?
Jack B. Hart FF004
Winchester, IN
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Ed in JXN
Joined: 24 Mar 2006
Posts: 122
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| Posted: Fri Sep 29, 2006 4:52 am Post subject: fuel troubles |
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Richard/All,
Would it be possible in future replies not to re-post the entire text including picture? Helps those of us on dial-up out.
Great post, Larry! You put in a lot of work this summer.
Ed in JXN
MkII/503
Do not archive.
[quote] ---
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Fri Sep 29, 2006 5:48 am Post subject: fuel troubles |
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Sounds like you are about to get it whipped. And it looks great now.
rp
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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Fri Sep 29, 2006 5:59 am Post subject: fuel troubles |
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Sorry Larry, I meant to reply to the other message, the one with the plane all fixed up and shiny. And I didn't know it was going to the list.
Richard Pike
MKIII N420P (420ldPoops)
do not archive
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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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eagle1(at)commspeed.net
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| Posted: Fri Sep 29, 2006 7:48 am Post subject: fuel troubles |
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Congratulations Larry, I hope to see you and the new "Dart at M V next year and hear some new stories.
Az Bald Eagle
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