Search: Posts Made By: mark_d
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05-29-2010, 11:50 PM
Replies: 2
Views: 600
Posted By mark_d

RE: opinion EDF

If you like scale profile the e-flite is the only scale intake but it is not retract ready.  I'd go with the HET myself because I hate belly landing jets and jets with fixed gear.
05-11-2010, 08:39 PM
Replies: 9
Views: 926
Posted By mark_d

RE: What edf's?

for a 68mm you want this motor:<a href="http://www.hobbypartz.com/75m96-ducted-2220-2700.html">
http://www.hobbypartz.com/75m96-ducted-2220-2700.html</a>

it is not a 3s motor though
04-29-2010, 12:30 AM
Replies: 10
Views: 1,193
Posted By mark_d

RE: what fan

Yeah, I know Lucin, I have 5 of his motors but I've never seen those mounts.  I got it off another thread thatt they just don't have it on the website yet. 
04-28-2010, 03:09 PM
Replies: 13
Views: 2,854
Posted By mark_d

RE: EDF jet motors

Have you tried any of the chaper alternatives?  topgun600  too bad that's not the truth, you don't always get what you pay for.  I have several of the cheap motors and they work fine and will perform...
04-28-2010, 12:47 AM
Replies: 21
Views: 4,325
Posted By mark_d

RE: EASYTIGER SR-71 BLACKBIRD

yep, made by the same company in China.
04-28-2010, 12:37 AM
Replies: 13
Views: 2,854
Posted By mark_d

RE: EDF jet motors

There is nothing wrong with selling out your stock but a noobie won't know they're out of prodiction and they would be the most likely to need replacement parts. They are good quality but not worth...
04-27-2010, 01:15 AM
Replies: 13
Views: 2,854
Posted By mark_d

RE: EDF jet motors

Okay, that's not what your website says.  Don't you think selling a discontinued product to a noob without mentioning it is unethical?  
Yes those are killer deal though, especially on the Beast.
04-27-2010, 12:48 AM
Replies: 13
Views: 2,854
Posted By mark_d

RE: EDF jet motors

$79.00 is a deal?  $199 for a 70mm fan and motor?
you can get the equivlent motor to the mightty might for way less than 79 and a Wemo minifan and a Nue motor to fit it would be less and a lot...
04-22-2010, 01:04 AM
Replies: 3
Views: 804
Posted By mark_d

RE: What kind of Jet is this?

That's a very good question.  I've never seen it before.
04-22-2010, 01:01 AM
Replies: 10
Views: 1,193
Posted By mark_d

RE: what fan

I'll bet! What is the amp draw? I have an 800 and a Dynamax that needs converting, where can I get a Scorpion center body mount?
04-20-2010, 12:59 PM
Replies: 2
Views: 977
Posted By mark_d

RE: Nitro Planes Starfire EDF

http://www.rcgroups.com/forums/showthread.php?t=983270
04-20-2010, 12:57 PM
Replies: 3
Views: 804
Posted By mark_d

RE: What kind of Jet is this?

I didn't see a jet.  Can you post a screen capture?
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04-20-2010, 12:48 PM
Replies: 10
Views: 1,193
Posted By mark_d

RE: what fan

The  big screamer is larger than the scorpion and should handle the power easier.  The scorpion would be ligher but near it's limits on 12s.
04-20-2010, 12:42 PM
Replies: 13
Views: 2,854
Posted By mark_d

RE: EDF jet motors

Picking a motor needs to start with the fan you intend to use.  Once you know the fan and figure out the model you want to run it in research the fan unit on forums and find the power required to...
04-11-2010, 02:17 PM
Replies: 258
Views: 63,713
Posted By mark_d

RE: Electric Retracts - Modifying existing Air/Servo-operated Retracts

I'm not sure Larry. You could use a programmable controller (http://www.pololu.com/catalog/product/1630) to interpret the pwm in and a stepper driver (http://www.pololu.com/catalog/product/1202)at...
04-10-2010, 06:22 PM
Replies: 258
Views: 63,713
Posted By mark_d

RE: Electric Retracts - Modifying existing Air/Servo-operated Retracts

That looks like a good start Larry. 
Here (http://en.nanotec.com/linearactuating_drive_lowcost.html) are some stepper linear actuators If you want go that way.
04-07-2010, 11:53 AM
Replies: 258
Views: 63,713
Posted By mark_d

RE: Electric Retracts - Modifying existing Air/Servo-operated Retracts

Lose the superiority complex pal, I read your posts and don't agree with you. The mechanical aspects are child's play compared to the power and control issues,but the point seems to go right over...
04-06-2010, 11:21 AM
Replies: 258
Views: 63,713
Posted By mark_d

RE: Electric Retracts - Modifying existing Air/Servo-operated Retracts

This is a public forum for the DIYers, not for vendors. Keep talking guys the duct tape salesman has no power over you.

Just put him on your blocked list and keep going, there are people...
04-01-2010, 06:52 PM
Replies: 14
Views: 1,208
Posted By mark_d

RE: Can I run?

If you put 2 - 3s packs in series you'll end up with a 6s 1800mah pack, you'd have to put them in parallel to get more capacity as a 3s2p 3600.

When you go down in voltage(such as 4s to 3s) the...
03-31-2010, 01:14 PM
Replies: 14
Views: 1,208
Posted By mark_d

RE: Can I run?

The answer is going to depend on a lot of details you have not supplied.   Most important, which ESC do you have?  I have one that is opto (no BEC) that will run on 4s but not on 3s and another that...
03-31-2010, 12:50 PM
Replies: 6
Views: 939
Posted By mark_d

RE: Anyone ever heard of such a thing??

here it is (http://www.hobbycity.com/hobbycity/store/uh_listCategoriesAndProducts.asp?catname=Audio+Systems+%26+Parts&amp;idCategory=311&amp;ParentCat=58)
03-28-2010, 01:16 PM
Replies: 13
Views: 1,560
Posted By mark_d

RE: Ducted fans are reversed

A jet is a bad choice for a first plane, things happen too fast for most beginners to react..  I hope you have an instructor.
03-27-2010, 09:14 PM
Replies: 7
Views: 858
Posted By mark_d

RE: Duced Fan Problems

Great!  You'll need to search for the manual for the ESC to find out the meaning.  What is the brand and model?
03-27-2010, 11:53 AM
Replies: 7
Views: 858
Posted By mark_d

RE: Duced Fan Problems

The motors will beep to give you information, that is normal.  The ESC is actually playing the motor like a speaker.  Different brands have different meanings e.g. the castle creations will play a...
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