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Post  WingingIt74 Sat Feb 11, 2012 7:16 pm

Seen these pics on ebay.
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Post  nitroairplane Sat Feb 11, 2012 7:23 pm

lol! that looks rather elaborate!
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Post  Cribbs74 Sat Feb 11, 2012 7:32 pm

nitroairplane wrote:lol! that looks rather elaborate!

Sure does, kinda cool though. OTOH I wonder how much time and money was spent on building that better mousetrap?
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Post  dckrsn Sat Feb 11, 2012 8:31 pm

Looks like it would idle nicely. Hence the added steerable nosewheel for taxiing.

Probably more of a wide open/idle on off switch, combining the needle and choke.

Choked and rich, to open and lean. Neat application.
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Post  Surfer_kris Sun Feb 12, 2012 1:46 am

There were many version of these around. Another clever one had the plate attached to the needle and would rotate both when throttling down, hence compensating for the choking action. Can't really tell from the picture but it may compensate in the other direction or not at all.

The commercial ones that are sold now use the same principle, although there is a rotating barrel, but without any needle adjustment.
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Post  nitroairplane Sun Feb 12, 2012 4:31 am

Surfer_kris wrote:There were many version of these around. Another clever one had the plate attached to the needle and would rotate both when throttling down, hence compensating for the choking action. Can't really tell from the picture but it may compensate in the other direction or not at all.

The commercial ones that are sold now use the same principle, although there is a rotating barrel, but without any needle adjustment.

I am sure it would not be too hard to add one to the commercial ones that Bernie offers.
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Post  SuperDave Sun Feb 12, 2012 10:16 am

My Sure-Start throttle arrangement from Bernie was a snap to install and performs well on my Dumas "Lil Swamp Buggy" 2 channel. I also installed a "B" head " conversion on the same engine to reduce the idle speed to 7K RPM.

BTW, had lots of fun running this rig on the snow recently. Very Happy
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Post  Cribbs74 Sun Feb 12, 2012 10:37 am

SuperDave wrote:My Sure-Start throttle arrangement from Bernie was a snap to install and performs well on my Dumas "Lil Swamp Buggy" 2 channel. I also installed a "B" head " conversion on the same engine to reduce the idle speed to 7K RPM.

BTW, had lots of fun running this rig on the snow recently. Very Happy

I bet SD! That does sound like fun!
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Post  Kim Sun Feb 12, 2012 1:22 pm

Yes !!! Bernie's backplate throttles are great ! I run both them and the exhaust resitrictor types, and they're both good, but just feel like the dependability is greater with the backplate style.

I put a steerable tailwheel on my "Little Traveler" Minnie Mambo, and can taxi, takeoff, and land just like the big boys.


Last edited by Kim on Mon Feb 13, 2012 5:24 am; edited 1 time in total
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Post  Tee Bee Sun Feb 12, 2012 11:47 pm

I've also had good luck with the intake throttle from Bernie when combined with the B head. Idles nicely. I'm also about to start construction of a Minnie Mambo with the same steerable tailwheel mod in mind. Great minds think alike....
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Post  Kim Mon Feb 13, 2012 5:28 am

Tee Bee wrote: Great minds think alike....

Especially when they think about great airplanes !! AND I've got to correct myself...turns out that I DO have the B Conversion Head on the Little Traveler ! Hard to keep track of everything sometimes....

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