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Bill Strahan
Joined: 20 Aug 2008
Posts: 145
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 Posted: Wed Feb 03, 2010 9:08 pm Post subject: Rotec TBI |
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It was bound to happen: I finally got some time at the airport!
I built an adapter to go from the TBI to the scat tubing so the TBI and adapter together are a drop-in replacement for the Bing as far as the airflow goes. The adapter is made from 1/4" phenolic with a 2.25" inch hole in which a 2.25" outer diameter aluminum tube was epoxy/flocked. I'll get the pics off my phone tomorrow.
I also assembled the regulator to the TBI with an AN-6 90 degree fuel fitting and an AN-6 to 1/4" NPT thread into the regulator. Pics tomorrow will also explaing.
I had to scrounge to find those particular parts, and the regulator is positioned nicely now.
THen some 1/16" aluminum angle to make a brace from the TBI to the regulator was fabricated.
A similar angle was made at the bottom of the phenolic block to attach the mixture control cable.
That cable and a longer throttle cable were both received from Aircraft Spruce last week.
Bottom line: It looks like it's all going to fit fine, and what I spent a few weeks scratching my head over is all going to come together.
If it quits raining I hope to fire up the engine tomorrow without the ability to lean the mixture, and then will keep working on routing new controls. I hope by this weekend I'll have my new mixture cable, primer, and throttle cables installed and be back flying.
Boy, I can't wait. This is so clean compared to the Bing. If it works well I'll be thrilled.
Buz, you still want the Hacman? It's yours for the taking. If not, next in line?
Update in a few days.
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N1BZRich(at)aol.com
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| Posted: Thu Feb 04, 2010 8:39 am Post subject: Rotec TBI |
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Sounds like good progress, Bill. Hope it works out well. We will put all your info and data in the newsletter when you get the chance. And yes, I would still like your Hacman. I was impressed with how it worked when I flew with in the demo. In the long run, if your TBI experiments work out, I may eventually switch to that as well - and would then pass the Hacman on to others.
Keep up the great work, and I look forward to putting all your experiences and data on the Rotec TBI in a future newsletter issue.
Buz
In a message dated 2/4/2010 12:15:24 A.M. Eastern Standard Time, bill(at)gdsx.com writes:
| Quote: | --> Lightning-List message posted by: "Bill Strahan" <bill(at)gdsx.com>
It was bound to happen: I finally got some time at the airport!
I built an adapter to go from the TBI to the scat tubing so the TBI and adapter together are a drop-in replacement for the Bing as far as the airflow goes. The adapter is made from 1/4" phenolic with a 2.25" inch hole in which a 2.25" outer diameter aluminum tube was epoxy/flocked. I'll get the pics off my phone tomorrow.
I also assembled the regulator to the TBI with an AN-6 90 degree fuel fitting and an AN-6 to 1/4" NPT thread into the regulator. Pics tomorrow will also explaing.
I had to scrounge to find those particular parts, and the regulator is positioned nicely now.
THen some 1/16" aluminum angle to make a brace from the TBI to the regulator was fabricated.
A similar angle was made at the bottom of the phenolic block to attach the mixture control cable.
That cable and a longer throttle cable were both received from Aircraft Spruce last week.
Bottom line: It looks like it's all going to fit fine, and what I spent a few weeks scratching my head over is all going to come together.
If it quits raining I hope to fire up the engine tomorrow without the ability to lean the mixture, and then will keep working on routing new controls. I hope by this weekend I'll have my new mixture cable, primer, and throttle cables installed and be back flying.
Boy, I can't wait. This is so clean compared to the Bing. If it works well I'll be thrilled.
Buz, you still want the Hacman? It's yours for the taking. If not, next in line?
Update in a few days.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284805#284805===============================================
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iflysmodel(at)aol.com
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| Posted: Thu Feb 04, 2010 5:42 pm Post subject: Rotec TBI |
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Hey Bill: If Buz d'oesnt take it I would like to give it a try.
Lynn Nelsen
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