Originally posted by Aros
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Official Freewing B-2 Spirit Bomber 86" Twin 70mm EDF Jet
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Originally posted by Aros View PostReplaced my broken servo arm on the port clam shell and hooked everything back up but I'm still off. How much deflection should there be when moving the RIGHT stick left and right (ailerons)? I won't dare maiden until I have these clams where they need to be on both sides. Thanks for any assistance!
As Xviper said, bounce = FLOOR IT. I tried to save a bounced landing twice…..replaced the nose gear set-up twice. I think I have finally learned the lesson.
The real trick is come in slow and touch down with minimal energy. She is, regardless, VERY easy to land. One just gets stupid on the controls once in a while.
Hi Evan….I swear I looked at all the spare parts pages last night and did not find the bare servos listed. Hence my email to MRC support. That is sooooo weird. But THANKS!
-GG
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Here are some photos of the grass mods I made to my B-2 last week.
Stinger 90 struts with 60mm wheels on the mains worked well. Stock 45mm wheels are still on the nose. This seemed to work well on my last take off attempt before the jet flipped. The jet now has a 4.5 degree positive pitch angle on the ground which should be good for take off.
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Minor repairs made to the left wing and right elevator. The screw tabs and carbon rod were broken off. I used the polyurethane glue with CA technique mentioned by Mshagg. The 8mm carbon tube was replaced from the shop scrap box. The leading edge corners were glued back on with foam glue. The right elevator was torn off but the plastic hinge pins were not broken so I just glued then back in with foam glue. The foam hinge seal was replace with Blend Derm tape on the bottom. After touch up paint I added an ASSAN AG63 heading gyro to the steering. I had it in the shop planned for a new project so I put it to use in the B-2 for now. It checked out dead straight on taxi tests in the yard. Waiting for winds to calm a little to give it another go.
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Originally posted by viper1gj View PostIn case anybody in interested here are three photos of HD touch up paint from three different stores in three different states. All the numbers match from each one. The one on the left is the one they scanned and made for me.
I'll still use HD from time to time if I happen to be in Billings. but I'm really sold on Sherwin Williams. For anyone out there who lives in a small town with no HD nearby, if you are close to a Sherwin Williams, I'd give that a go. Of course, part of the success is the diligence of the person doing the color matches, and his desire to get an absolute "dead nuts on" match.
Davegee
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Originally posted by viper1gj View PostIn case anybody in interested here are three photos of HD touch up paint from three different stores in three different states. All the numbers match from each one. The one on the left is the one they scanned and made for me.My YouTube RC videos:
https://www.youtube.com/@toddbreda
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Finally, a friend and I were able to maiden our B-2’s here in central Missouri on Saturday, May 7th. What a great airplane!!
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Originally posted by davegee View Post
For anyone out there who lives in a small town with no HD nearby, if you are close to a Sherwin Williams, I'd give that a go. Of course, part of the success is the diligence of the person doing the color matches.
I’m attaching a photo of the code she came up with and a photo of the battery hatch cover where she painted the lower-right corner with the paint she mixed.
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Originally posted by Mud Duck View Post
Following your recommendation I went to the Sherwin-Williams store and the very sweet, cute, young lady behind the counter took extra care to make sure the paint matched exactly. She even recommended the matte finish over the flat since there is some slight sheen to the model. She even wanted to see photos of it after seeing the battery hatch part I took to the store. 😳
I’m attaching a photo of the code she came up with and a photo of the battery hatch cover where she painted the lower-right corner with the paint she mixed.
Thanks for your story. Glad everything turned out great!
davegee
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Originally posted by Model AV8R View PostHere is our latest episode...of course on the B-2!!I solemnly swear to "over-celebrate" the smallest of victories.~Lucky B*st*rd~
You'll never be good at something unless you're willing to suck at it first.~Anonymous~
AMA#116446
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Edit: 2022-05-09 4pm MDT After more testing, I have discovered that everything I originally stated below (now colored in RED) regarding the elevator channel in the gyro being erroneously reversed is wrong! The testing I initially performed (where I jumped to the wrong conclusions) was done using plain servos outside the B-2 bypassing the control board. I've since connected everything up to the B-2 as specified in the manual and all gyro corrections are now moving in the correct direction. My sincere apologies for having yelled FIRE in a crowded theater when there was indeed no fire.
Originally posted by Model AV8R View Post
After fiddling around with the gyro in my B-2, (which I have not yet setup and flown), I have come to the conclusion that the elevator channel in the E52 is erroneously reversed. (No wonder they had to reduce the basic gain to 5% == essentially zero).
I am betting that once the elevator channel in the gyro is set to the correct direction (i.e. NORMAL == NOT REVERSED), then the elevator gain can be increased and the plane will fly MUCH better.
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Originally posted by ridgerunner View PostI have come to the conclusion that the elevator channel in the E52 is erroneously reversed. (No wonder they had to reduce the basic gain to 5% == essentially zero).
I am betting that once the gyro elevator channel in the gyro is set to the correct direction (i.e. NORMAL == NOT REVERSED), then the elevator gain can be increased and the plane will fly MUCH better.
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Originally posted by ridgerunner View PostExcellent video. The main takeaway I got was that the gyro, as delivered from the factory, is NOT setup correctly!
After fiddling around with the gyro in my B-2, (which I have not yet setup and flown), I have come to the conclusion that the elevator channel in the E52 is erroneously reversed. (No wonder they had to reduce the basic gain to 5% == essentially zero).
I am betting that once the gyro elevator channel in the gyro is set to the correct direction (i.e. NORMAL == NOT REVERSED), then the elevator gain can be increased and the plane will fly MUCH better.
Would appreciate getting the set-up “numbers” for the stock gyro once she’s been dialed in thru experimentation.
I’d rather have the elevator direction set correctly and everything else set to the best value.
Thanks in advance.
-GG
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