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Thunder Tiger
Raptor E720 › E720 converted to E800
10-29-2013 10:14 AM  5 years agoPost 1
raynman

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Lyall Bay - Wgtn - N.Z

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As mentioned above

I have a E720 which I am thinking of converting to E800

can I get a lists of parts that is need to make this happen , also the best place to buy the parts from.

Cheers

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10-29-2013 09:04 PM  5 years agoPost 2
raynman

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Lyall Bay - Wgtn - N.Z

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Thanks for the PM - sorted.

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10-29-2013 09:27 PM  5 years agoPost 3
gwright

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Champaign Il

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I'm doing this myself to a G4, so i had to look up all the items recently.

Below are the conversion items needed. I listed the thunder tiger number, the towerhobbies number, description.

Of course you must have the boom and torque tube, the other items are sort of optional, but I would highly recommend the longer boom supports . There are two of the one piece motor mounts. The difference is a 6mm support bearing versus an 8mm support bearing, so if your motor has an 8,, shaft order the first one, a 6mm shaft order the second one,...or,.. if you order the wrong one, just press the bearing out and press in the proper bearing <G>

TTnumber tower number descr
pv1717 LXDNZF tail boom
pv1718 LXDNZG torque tube
pv0594 LXDNYW tail boom supports
pv0583 LXDNYJ 1 piece motor mount(8mm shaft)
PV0597 LXDNYZ canopy
PV0588 LXDNYP canopy mounts
pv1719 LXDNZH metal tail servo mounts


pv0598 LXDNZA 1 piece motor mount 6mm shaft

Gary Wright

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10-29-2013 11:19 PM  5 years agoPost 4
raynman

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Lyall Bay - Wgtn - N.Z

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Thanks for that .......
Cost is still quite high to convert, do u think?

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10-30-2013 12:09 AM  5 years agoPost 5
gwright

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Champaign Il

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It's less than buying an E820 <G>

Gary Wright

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10-30-2013 03:09 AM  5 years agoPost 6
Dr.Ben

rrMaster

Richmond, VA, USA

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Note for those converting to an 820 and planning on flying the model hard. Nick warned me that a motor with an 8mm shaft can become a kind of necessity ;) .

You can save money by keeping the 720 canopy.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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10-30-2013 01:26 PM  5 years agoPost 7
f2000ez

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Warrenton, VA

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What about changing the E720 rotor grip posts over to the E820 rotor grips?

Thanks
Dave

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10-30-2013 02:02 PM  5 years agoPost 8
gwright

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Champaign Il

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Nick does have a good point on 6 vs 8 mm shafts. I didn't think about 6mm vs 8mm shaft being a true need because I'm setting it up for 12S and lower rpms than most. Not the same power or loading.

Gary Wright

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11-04-2013 06:43 PM  5 years agoPost 9
chicagoslick

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Indiana, USA

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Are the side frames the same for the 700 and 800? I have an E720 kit that I have yet to assemble. I am torn between buying the 820 or updating the 720. thanks..

Gary

Chicagoslick

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11-06-2013 07:47 PM  5 years agoPost 10
SkyfoxSXer

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Gainseville,VA

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The frames are slightly differrent. You can use the E720 frames to convert to an E820 but you will not be able to run the 5035 series motor. You would be limited to using a 45xx sized motor.

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11-10-2013 11:58 AM  5 years agoPost 11
sjsamuel

rrApprentice

Little Rock, AR

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Tailcase
I also went back and forth between a conversion and a new kit. There are a couple of other things to consider.

You will also need a new metal tail case as the way te boom clamps and pins to the tailcase is different.

CNC Tail housing - PV0596

Other things to consider are the braced bearing blocks for more flex.

I ended up with the kit after looking at all this. It is cheaper to do the conversion not doubt, but I wanted the 820 canopy, and wanted to run the 50xx motor size on 14s So to do that you have to change the frames. This is to run the new control arm sets in both sides. 8mm motor mount(mentioned above), also the beefier main bearing blocks and the thicker main grip plates.
After adding all this up, I ended up just ordering the kit

Futaba, Thunder Tiger, Castle, Optipower, Rail Blades and ProgressiveRC!!

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