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Search: Posts Made By: FoamCrusher
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11-13-2005, 02:05 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I think what you want is the same set up as people use in the old Projeti; 3S1P 20C lipos and either an APC 4.75 x 4.75 or Graupner Cam 5.5 x 4.3
Some guys like the way it flys on 8 cell NiCd's...
11-11-2005, 06:41 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I would try the 6 x 4 on 4S first, as long as you watch the WOT (unless the pack is the new Pro-Lites) and see how you like it. I have run a Stryker on 4S with a Mega 16/15/5 and a 7 x 5 prop. It...
10-30-2005, 10:05 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I looked up the UltraFly on the Aircraft World website and while they didn't list all of the parameters of that motor they did list it at 2900 Kv. The Mega 16/15/4 that is common for this plane is a...
10-24-2005, 12:11 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

UBEC = Ultimate Battery Eliminator Circuit. Most Electronic Speed Controls (ESC) have an internal battery eliminator circuit (BEC) to drop the pack voltage (usually between 7v and 12V) down to...
10-22-2005, 11:25 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Sounds like either a battery issue or ESC problem to me.

You did not say what size prop you are using but even with a 60A ESC (way overkill BTW- a 35A is plenty) if the battery pack is not...
04-28-2005, 12:08 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Amen to that, but I would suggest the HS-56 as an alternative servo. The 81's are a little large and a bit heavy too. Even the common HS-55's will work, but the HS-56's have the much stronger...
04-12-2005, 12:05 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I make all the different packs fit in my Unicorn by using foam spacers. The battery bay is cut so the lightest pack balances the furthest forward and all of the others have their own spacers to get...
04-11-2005, 11:23 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Try 12-cell packs of GP-1100's. I run that pack in my Unicorn that has the same power package....that is when I get bored. After changing my underwear I go back to the 10-cell packs of 1400's or...
04-03-2005, 12:49 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

PyrocK

I can't be sure from the photos, but it looks like the motor mount is just bolted flat to the foam and the foam has no angle to it. If you look carefully at the mount as it sits on the...
04-02-2005, 01:37 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Only two and they wer to show my experiment with larger elevons in order to get a faster roll rate. It turns out they were too big and the plane became almost uncontrollable, even with loads of expo...
04-01-2005, 12:46 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

The Mega is a little larger in diameter than the Speed 400, so you have to do a little cutting. First you cut both rings through at the top so the motor will slide in. Then you may have to redrill...
04-01-2005, 01:43 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Very sharp! So that's what you do with old Slow Stick stickers. :D

What did you use for paint? I tried Krylon and it didn't stick. Then I tried waterbased Bulls Eye primer with Faskolor on...
03-31-2005, 06:22 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I have used the APC 6.3 x 4, 6.5 x 3.7 and the 6.5 x 2.9. To be honest, there is not a great deal of difference in their flying performance. The larger the diameter the slower the prop is going to...
03-31-2005, 01:33 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

reehoe:

Try both an APC 6 x 4e (made for Speed 400 motors) or for just a bit more vertical and about the same speed the APC 6.3 x 4 (.15 gas prop). You can make that /5 climb like a monkey in a...
03-29-2005, 02:00 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Pyrock:

You have to worry about BOTH the cells and the ESC. Since a 6x4e will pull just about 20 amps, the CC 25 will work fine with the hatch either off or with some holes punched in...
03-18-2005, 01:38 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

The difference is in how "hot" the wind of the motor is. The 4 turn motor has a higher RPM/Volt ratio than the 5 turn, so a pack of a given number of cells (fixed voltage) will spin the 4 turn motor...
03-05-2005, 12:53 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Bill:

I weighed it at the time, but I don't remember now, and I have since converted to a GenII fuse that is heavier than my old GenI. It was probably around 21-22 oz since it had a Hitec 555...
03-05-2005, 01:11 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Mike:

IME, the GP-1100's are FAR superior to the KAN cells. They will push better than 30 amps and still hold their voltage, while the KAN's drop off at about 12 amps. Cheapbatterypacks.com...
02-27-2005, 02:13 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

Pyrock:

You said earlier that you were using a Mega 16/15/4 and 3S1P Thunder Power 2100's. Watch how you prop that motor or you will puff those expensive cells [X(] They will only take about...
02-27-2005, 10:23 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

If you mean an imaginary line through the shaft points to the left of the nose, then yes, you do need to adjust the motor mount holes so that imaginary line is at least pointing parallel to the...
02-27-2005, 01:29 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

I have done a few - like about 8, so if that makes me an "expert" I guess I am. I really like the 16/15/4 as a drop in replacement for a direct drive Speed 400 size application. When powered with...
02-27-2005, 12:08 AM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

It is even cheaper if you make one out of parts. That way you can use what you have - like servos, RX and ESC and also not have to buy their cheap Tx. Their servos are not the best quality either....
02-26-2005, 10:02 PM
Replies: 254
Views: 54,476
Posted By FoamCrusher

RE: Brushless F-27 Stryker

You really want the Stryker to scream, then run a 16/15/5 on 4S1P TP-2100 (the narrow ones - in two packs of 2S1P on behind the other, wired in parallel with a harness) with a 7 x 4. It gives 36 oz...
Showing results 1 to 23 of 23


 
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