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Old Jan 27, 2012, 09:06 PM
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Hervey Bay, Queensland, Australia
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I would mention I purchased a Taplin Twin Mk III (Aurora assembled) off the usual internet auction site a while ago. The price was reasonable as the Seller disclosed it was defective.

As expected it was unuseable out of the box. It willl need fettling but I am hopeful new bearings and a good internal clean will restore it to running condition. I will get to that this year.

I doubt it had ever been run by the original owner. The identification stamp on the manifold shows it is No 13.

Others who have bought Aurora examples and have had similar issues. I hope the final release will be suitable for running as delivered.
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Last edited by fiery; Jan 29, 2012 at 03:01 PM. Reason: Typographical error corrected
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Old Jan 27, 2012, 10:55 PM
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I bought a Taplin Twin many years ago from Hobby Lobby, who sold engines at the time. It was a Indian made engine, likely Aurora. But mine actually ran really well right out of the box. I didn't have any problems with it at all. I do regret selling it though. I miss it still.
I flew the engine on a House of Balsa Peitenpol airplane at the time. It had ample power to fly the plane. Plus it was amazingly quiet too. People were surprised at how quiet it ran.
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Old Jan 28, 2012, 01:26 AM
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What engine is this ?
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Old Jan 28, 2012, 03:36 AM
Sticks, Tissue & old Diesels
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Quote:
Originally Posted by earlwb View Post
I bought a Taplin Twin many years ago from Hobby Lobby, who sold engines at the time. It was a Indian made engine, likely Aurora. But mine actually ran really well right out of the box. I didn't have any problems with it at all. I do regret selling it though. I miss it still.
I flew the engine on a House of Balsa Peitenpol airplane at the time. It had ample power to fly the plane. Plus it was amazingly quiet too. People were surprised at how quiet it ran.
Earl, how big is the plane you mention (weight & wingspan)? I'm a Taplin fan and I'm considering building a 96" KK Falcon that will weigh around 9 lbs I suppose. I'd like to put one of my original T/Twins in it, but I'm wondering whether it would be a bit marginal on power... In pretty chilly weather, a few weeks ago, the engine in the photo turned a Toplite 14x6 at 5600 rpm. To be honest, I was a tiny bit disappointed, my best ball-race Drone turns the same prop at 5150 (although the weather must have been warmer...), so how big is the Pietenpol?
Brian
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Old Jan 29, 2012, 11:34 AM
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Attached is a couple photos of a Dunham Vallyrie .33 cu. in. diesel from the UK. To get this engine running well took a lot of work and a couple years. Probably why I got it so cheap. Some more time on the test stand and then in my full size Playboy Cabin. Jack
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Old Jan 30, 2012, 08:01 AM
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Quote:
Originally Posted by brokenenglish View Post
Earl, how big is the plane you mention (weight & wingspan)? I'm a Taplin fan and I'm considering building a 96" KK Falcon that will weigh around 9 lbs I suppose. I'd like to put one of my original T/Twins in it, but I'm wondering whether it would be a bit marginal on power... In pretty chilly weather, a few weeks ago, the engine in the photo turned a Toplite 14x6 at 5600 rpm. To be honest, I was a tiny bit disappointed, my best ball-race Drone turns the same prop at 5150 (although the weather must have been warmer...), so how big is the Pietenpol?
Brian
I had a .30 size Taplin Twin on the House of Balsa Pietenpol. The plane had about a 65 inch wing span and used something like a Clark Y airfoil (flat bottom). I flew it three channel, rudder elevator and throttle. The engine was quite ample in power for flying the Pietenpol around.



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Old Jan 30, 2012, 08:55 AM
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Pietenpol is a great machine...one of my favourites..!

Here is an own design, non-scale, though the source of inpiration should be quite obvious...
It's long ago, hence these poor quality, scanned photos.

Span was 64", the wing was a fairly high aspect ratio design, with an undercambered airfoil.

The photos show an OS FS40 at the front, but this model started its life with an ED Miles Special 5 cc diesel (the "late" version called "Viking"). IIRC, the prop was a wooden 12 x 4.
It flew very well with the Miles....no powerhouse, but it was capable of a "scale"-like behaviour....very fun to fly, particularily landings, which could be done in a very "S.T.O.L.-ish" manner...

Reason why I switched to the FS40 was pure curiousity, as this was my first 4-stroke......as I recall, the FS40 and the Miles were about equal, powerwise...

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Old Jan 30, 2012, 04:54 PM
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Is it still possible to purchase new E.D. Super Hunters and Vikings?

I heard somewhere they were still being made, in the U.K., but have never found the answer.
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Old Jan 30, 2012, 05:25 PM
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As late as the early (or mid?) 80's the "Electronic Development" brand name still existed...under what ownership I dont know though....

This broshure is from about 1984, and lots of stuff was still available. I bought a few engines at the time...

However I'm not sure if any manufacturing took place at that time...I would rather beleive they sold out an old stock, and/or assembled engines from old parts.

Whether anything from this stock would still be available, and from whom, I don't know......some spares would be nice indeed.....
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Old Jan 30, 2012, 09:59 PM
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I decided to get off my donkey and do some research using google.

Here is a link:

http://www.westonuk.co.uk/westonuk2_009.htm

It seems Weston have some connection. There are still R/C carbs bearing the "E.D" brand. Sadly the "engines" link is not operative .
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Old Jan 31, 2012, 04:13 AM
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Wow...it surprises me the old AMC carbs are still available (if they really are, that is..)

Optimistically , I sent an e-mail to Westonuk with an inquiry...in case of a reply , I'll post the result here...


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Old Jan 31, 2012, 08:03 AM
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I saw on the big auction site that someone had a ETA 2.5cc engine up for auction. This is something I haven't seen before. Looks to be a pretty interesting engine though.











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Old Jan 31, 2012, 06:30 PM
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That's a nice ETA Elite Mk II (1970), now going for more than $450. The Mk I was less than 6 pounds and in Canada about 1962 I paid about $20 Cdn. Looking way back, this was a very poor choice for my first diesel. It had about the same power as a McCoy .19 RV racing engine. I broke the crank, had that replaced. Cracked the crank case- then put it away.
John
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Old Jan 31, 2012, 11:01 PM
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I had a few of these, my favourite engine. I sold them up years ago, including my "Star Trek" version; youi had to see the muffler setup to understand...

On an 8-8 or a 9-6, it would really haul the mail! I got mine from the T/R guys as "too worn to be of use"! I got many, many flights out of my ETAs.
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Old Feb 02, 2012, 05:07 AM
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Italian Atomatic on eBay France

Hi all,

There's a rare Italian Atomatic on eBay France:

http://cgi.ebay.fr/ws/eBayISAPI.dll?...m=170775441790

You'll have to look quickly. The French usually do a dirty private deal on this kind of engine. I wouldn't mind betting the auction doesn't run to the end.

Brian
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