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Flying High With Electric Power!
The Ampeer ON-LINE!
Fly the Future - Fly Electric! |
Site Table of Contents
| President: | Vice-President: | Secretary/Treasurer: |
| Ken Myers | Richard Utkan | Rick Sawicki |
| 1911 Bradshaw Ct. | 240 Cabinet | 5089 Ledgewood Ct. W. |
| Commerce Twp., MI 48390 | Milford, MI 48381 | Commerce Twp., MI 48382 |
| (248) 669-8124 | (248) 685-1705 | 248.685.7056 |
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| Board of Directors: | Board of Directors: | Ampeer Editor |
| David Stacer | Arthur Deane | Ken Myers |
| 16575 Brookland Blvd. | 21690 Bedford Dr. | 1911 Bradshaw Ct. |
| Northville, MI 48167 | Northville, MI 48167 | Commerce Twp., MI 48390 |
| 248.924.2324 | 248.348.2058 | 248.669.8124 |
| Mailed Ampeer printed subscriptions are no longer available.
The Ampeer is FREE on-line in Acrobat .pdf format and HTML with active links! | ||
| The Next EFO Meeting:
Date: Thursday, Dec. 11 Time: 7:30 p.m. Place: Ken Myers' house, address above | ||
| What's In This Issue? | ||||
| The Electric Motor Constant Kv
AKA The Generator Constant, RPM/volt, Annotated as Kv Ken updates his information about the generator constant, RPM/volt and explains what it is and what it isn't. |
Sullivan Products acquires Harry B. Higley and Sons, Inc., Product Announcement | |||
| Wing and Power Loading From 1952 Related to Wing Cube Loading Andy Kunz shares some very early wing cube loading information. | A Very Large Depron Monocoupe Scott McKie shares info on a 100" Depron Monocoupe. | |||
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AKA The Generator Constant, RPM/volt, Annotated as Kv By Ken Myers The article has its own page on the EFO site so that it may be edited and updated in the future. It is located here. Sullivan Products acquires Harry B. Higley and Sons, Inc. Jim Cross, EFO member, recently alerted me to this via email.
It is very good news. According to the Web site, "Sullivan Products has recently purchased all assets of Harry B. Higley and Sons. We now have the Harry Higley technical building books, tools and model accessories inventory at a suitable level and ready to serve you." Wing and Power Loading From 1952
Related to Wing Cube Loading
Hi Ken, I thought you'd like to see WCL concept in models, way before Francis Reynolds MB article in 1989.Ê It's applied to engine power, but the same concept. Andy Thanks so much Andy. Very interesting. |
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A Very Large Depron Monocoupe
Hi Ken, I'm forwarding these pictures to you so that maybe they can be sent to Keith Shaw. I just read his section in the latest Ampeer where he is thinking of building a "different" larger model -- just to be different. Lutz Nakel is one of the premiere European Depron builders. His models are spectacular and he has been a great friend too me over the years showing me what is possible with the stuff and also with different building foam building techniques. If Keith doesn't know of him, he should because Lutz has shown that "big" electric powered true scale foam models can indeed be built, and those models will most likely end up being lighter in weight than anything else. ALSO, scale details do not need to be left out as can be seen in some of the pictures of Lutz's 1929 Monocoupe. 
I also have more pictures of other Depron models built by Lutz including an incredible Bulldog, and Caravel twin EDF Jet model. If you would like to see them, please let me know and I will forward them to you. As usual, the Ampeer was very informative this issue and I gleaned a lot of info from it. Two questions -- where are you and Keith getting your A123 cells now that the company has gone belly up; and would it be possible to buy made up sells from either one of you two guys as I don't have the gear to put together my own sells sets? Thanks in advance,
From: Lutz Nakel Hi Scott, Here are some pictures of my latest Depron model. It's an 1929 Monocoupe, 100" span, weight 9 lb., 1100 watt outrunner motor. Have fun.
My response to Scott regarding A123 Cells and packs. Hi Scott, Thanks for the info on the big Monocoupe. You can get pre-made A123 packs from Buddy RC and Radical RC. Dave Thacker, at Radical RC, custom makes each pack to your configuration and with the type of balance taps you want. ÊYou can also tell him what power lead connectors you'd like. Radical RC A123 packs & cells
For just the cells, I use Radical RC, since Dave has a flat rate $3 shipping charge. You can also get just cells at www.buyA123batteries.com Later,
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To Reach Ken Myers, you can land mail to the address at the top of the page. My E-mail address is: KMyersEFO@theampeer.org