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Home › ✈️Aircraft › 🚁Helicopter › e-Align › T-REX 450 › 450 pro to DFC Head - Need Swashplate?
05-28-2016 08:53 PM  3 years ago
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Hawaii

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phoenix, az

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450 pro to DFC Head - Need Swashplate?
I would like to change my older Flybar 450 pro to a DFC Head (part#H45162t).

Do I use the originale 450 pro swashplate?

Do I need to buy/change any other parts?

Blade Change needed?

Installing Beastx AR7210BX rx.

Thanks for your assistance!
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05-29-2016 04:21 AM  3 years ago
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R/C Speed Nut

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Galesburg, Michigan USA

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Yes, you can use the old swash plate.
The DFC head set doesn't include thrust bearings, so you will need to use your FB head thrust bearings, or purchase new.
You can also use the old blades with the FBL head.
Mike

Funky Chicken?!!..........I thought this was how you do a piro flip!!
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05-29-2016 05:26 AM  3 years ago
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Funky Trex

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Westerville, OH - USA

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I have 2 Align 450 DFCs. One of them started as an original flybar model and still uses the stock swashplate but now has a DFC head. I have well over 1000 flights on that Pro since I converted it and had 0 issues with the stock swashplate. I am not fond of the dfc swash, the links are connected too tightly and will not pop off even in extreme crashes. This leads to broken servos, bent dfc arms, etc. It does allow slightly better geometry (easier to get the blue light at 6 degrees when programming the Beastx), but the stock swash can still get the blue light right around 7 degrees. I can fly both models back to back and do not feel a difference in the flip/roll rate.

Flybar blades work fine, I switch between different fb and fbl blades pretty often and they both fly exceptional although all of my blades are major manufacturers (no ebay/off brand blades).
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05-29-2016 11:30 AM  3 years ago
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JuanRodriguez

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The Villages, Florida

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Can he use the original main shaft with the DFC head ? I thought the DFC shafts are shorter.....but maybe it doesn't matter when doing a "conversion"....

Just curious.....Been there, done that and old enough to know better.....
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05-29-2016 01:35 PM  3 years ago
0Post 5
Funky Trex

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Westerville, OH - USA

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It's been a few years since I converted my Pro but I am pretty sure the upgrade kit from Align came with the shorter main shaft the DFC head uses.

I never tried fitting/flying the DFC head on the older flybar main shafts.
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05-29-2016 02:23 PM  3 years ago
0Post 6
gmcullan

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Southbridge, MA

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I converted original fly barred 450 Sport and 450 pro helis to the dcf head. In both cases I used the original main shaft and swashplate. I made or adjusted the control links as appropriate. Both helis have many hundreds of flights in this configuration with no issues. The sport is flying with one of the original Align FBL controllers while the pro has an AR7200BX installed. Both were flown with Align FB main blades but both now have Edge FBL blades. I prefer the flight characteristics with the Edge blades and think it's a shame that they went out of business.Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450
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05-30-2016 03:17 AM  3 years ago
0Post 7
Hawaii

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phoenix, az

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Thanks
Thank you everyone for the info. Hopefully finish converting my Trex 500ESP tonight to FBL with AR7210bx.

Then tomorrow evening start on the 450 Pro.
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05-30-2016 05:14 AM  3 years ago
0Post 8
knightofcarnage

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chicago

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Can he use the original main shaft with the DFC head ? I thought the DFC shafts are shorter.....but maybe it doesn't matter when doing a "conversion"..
Don't use the original shaft. To mechanical get a good center with even negative and positive pitch. You will not only have to length the links from servos to swash plate, but mostly the DFC arms too. Very bad idea to adjust more then 1 to 2 turns on the ball links from fully screwed in. DFC arms handle all the load, both from pitch changes, and keeping phasing inline.

The Swash-plate, I think effects the link lengths, but not sure. I don't have one anymore.
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05-30-2016 12:30 PM  3 years ago
0Post 9
gmcullan

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Southbridge, MA

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You can use your original main shaft. I made new links to run from the servos to the swashplate. The original swashplate is fine. I have hundreds of flights on my converted 450 Sport and 450 Pro.Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450
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05-31-2016 03:34 AM  3 years ago
0Post 10
knightofcarnage

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chicago

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Can you post a picture of you DFC arms like to see it.
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05-31-2016 09:12 PM  3 years ago
0Post 11
Hawaii

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phoenix, az

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I do not have the parts yet. I am doing my research to ensure I have a list of everything I need.

Then I will purchase later this week. At least that is the plan
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06-01-2016 08:24 PM  3 years ago
0Post 12
gmcullan

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Southbridge, MA

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The DFC arms are used exactly as received. All I did was to make longer links from the servo arms up to the swashplate. The setup is typical, i.e., servos at neutral, swashplate level, blades at "0" pitch.Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450
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