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Old Feb 21, 2003, 10:22 AM
EGB
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Joined Jan 2003
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Herr Fokker DVII 24" Span Rubber Power to Electric RC Conversion help.

I am requesting any help, resources, and suggestions regarding the conversion of a Herr Fokker DVII rubber powered model to electric RC. This plane has a 24" wingspan and this is my first attempt at converting a kit such as this. What do I need to do as far as reinforcement to the airframe and add-ons to make this conversion successful? What about the selection of servos, motors, covering, wood substitution, etc? Anyone with experience on this particular model or similar models would be appreciated. I would like to make wise choices in equipment that will hopefully allow me to do this with similar size aircraft (in other words I want to avoid buying special motor/servo combinations that will only work with this model). I have searched the R/C Group forum and found some good information regarding the conversion of the Fokker DVII, but would appreciate new information, additional tips, etc. Thanks.

EGB
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Old Feb 21, 2003, 12:13 PM
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Austin
Joined Aug 2002
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Hi and good luck. I started one last year but have yet to finish it so I can not give much advice. However, do a search because there are several conversion threads on this plane. Good Luck!
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Old Feb 21, 2003, 02:03 PM
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Matthew Allen's Avatar
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Joined Apr 2001
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I haven't done any conversions myself but you might find this interesting:

http://www.rcmicroflight.com/library/convert.asp

My guess is that you will want a DX-A for power and radio would be 6g servos and a GWS Pico Rx.

Good luck,
Matthew
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Old Feb 21, 2003, 02:07 PM
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jeff edmondson's Avatar
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Me too

Yes, I too would like to get the current set up for this great little kit.

I have one in the assembly line. I did get some great lozenge pattern (4 and 5 colors) tissue from a very friendly guy in the D.C. area (see: ebay "lozenge fokker").

I have found 3 places on the web that describe this kit built as e-power R/C. Each was limited on information. I also taked to a local flyer who has seen two of them at indoor meets. It seems they all use a different power systems. Motors range from just under the GWS IPS to some big "280" equivalents. Many of the motors are from some place "far-far-away", as I have not even heard of them (and they yield no matches from a Google web search).

Any information would be great.

Now if we can all email Dumas praise for their current 30" span laser cut kits, and then... beg! Beg! BEG! for the next one to be a 30" Fokker D-7!
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Old Feb 21, 2003, 02:14 PM
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sprakenzee Deutshe?

If you can translate German, this might help...

http://www.synprove.com/rc/DVIImini.htm

I did decipher use of a SPEED 300 in this little bird. That seems way too much!
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Old Feb 21, 2003, 04:58 PM
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Valley Village, California, United States
Joined Mar 2002
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Here's a link to a thread of my Converted Herr DVII.

http://www.rcgroups.com/forums/showt...threadid=34748

-John
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Old Feb 21, 2003, 05:22 PM
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zlkjzYTHGB638 Olk?/slkdokin

The above was my jaw hitting the keyboard. Please excuse.

What an incredible job for color/lozenge/markings. You have quite a talent for these planes.

Thank you for your submission.

Is she still air worthy? Do you fly with Tony and the guys indoor?

I hope to see this bird in person some day. Tony has some pictures of another Black Sheep flyers Herr D-7. Do you know of this one?


Regards, Jeff
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Old Feb 21, 2003, 06:37 PM
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Valley Village, California, United States
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Thank you Jeff for your Kind words, and get that Jaw looked at

Yes, she is still airworthy, but is in the process of refitting the motor, Batteries,
and wiring.

Yes, I know Tony, and all the guy's at indoor. It's alot of fun. Have you been?

Also the other DVII you mentioned you saw at T&A was built by a friend mine. It also fly's very nicely.

-John-
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Old Feb 24, 2003, 09:02 AM
EGB
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Joined Jan 2003
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JFGrn I have a question.

Great looking plane. Sorry about all the questions, but....
What method did you use to hinge the rudder and elevator? You mentioned refitting the motor, batteries, etc. What equipment will you be going with? What size/weight servo would you recommend? Also, where did you install the battery hatch? Should I look to reinforce any part of the airframe? In your opinion will a hitec feather receiver be to heavy for this size plane?

Thanks,

EGB
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Old Feb 24, 2003, 04:03 PM
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John, thanks for your reply.

No I have not yet been able to attend the indoor fly-ins. It is one thing that I would really like to find the time to do. Shortage of time and long drive have so far kept me out, but I will be there.

I really enjoyed the indoor demonstration flights by the Black Sheep at the Pasadena show. Especially the dog fights between those two litttle "allied" and German planes. Great stuff!

Where do I get my self some ratta-tat-tat guns like they flew?

Jeff
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Old Feb 26, 2003, 12:35 AM
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Joined Mar 2002
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Hi EGM,

---What method did you use to hinge the rudder and elevator?---

Rudder, I used Cut down (1/8" wide)EZ hinges.
Elevator, just a tape hinge.

---You mentioned refitting the motor, batteries, etc. Also, where did you install the battery hatch?---

Motor, GWS,LPS-RXC-B Drive 5:1
Batteries, 6X120 mAh Nicads. (I don't need long flights. I plan on Flying this indoors only.)
The batteries are in the nose. Wraped around the motor. You'll need to place them there to get proper CG.

---What size/weight servo would you recommend?---

I plan on using the Cirrus CS-5.4's

---Should I look to reinforce any part of the airframe?---

I did very minimal as I recall. Struts are just CA'd.

---In your opinion will a hitec feather receiver be to heavy for this size plane?---

I'm not a big fan of that receiver. I plan on using either a GWS or MPI receiver.

Hope that helps.

Jeff,

---Where do I get my self some ratta-tat-tat guns like they flew?---

I know what your talking about, but I don't know what Matt using for that.

-John
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