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HomeAircraftHelicopterCompass Knight 50 ODIN 90 › Where can I buy a driver hub for my TT Redline?
01-12-2010 04:33 AM  8 years agoPost 1
ScottV

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El Dorado Hills, CA

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Where can I buy the driver hub for a TT Redline 53 for my Compass Knight Pro? I should have the Knight in the air by next weekend once I fine a driver hub.

Thanks for any help,
Scott

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-13-2010 04:15 PM  8 years agoPost 2
ScottV

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El Dorado Hills, CA

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Here is a page from the manual showing the part I need. Does anyone have any idea where to get the Driver Hub. I hve spoken with Espirit, A Main Hobbies and a few other shops and none of them have any idea where I can find this. I sent an email to the Compass factory in China but I have yet to hear from the.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-13-2010 09:13 PM  8 years agoPost 3
ScottV

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El Dorado Hills, CA

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Turns out what I am looking for is a Drive Washer and I might have found it. Heliproz is checking to see if they have it in stock.

Hopefully I will be up and flying this bird in a few weeks. Pictures and video to come upon completion.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-13-2010 11:22 PM  8 years agoPost 4
SteveH

rrProfessor

Texas

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What heli are you building? I've had all three of the Knight 50's at times, and none of them needed the drive washer on the engine.

The government cannot give you anything without first taking it from someone else.

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01-14-2010 12:05 AM  8 years agoPost 5
ScottV

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El Dorado Hills, CA

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Steve, the manual just says Knight 50 on it, the guy I got it from always called it a Knight Pro. When I put the cooling fan on the crank shaft there is about a 1/4" gap between the motor and the cooling fan. I will take a picture tonight to show you what is going on. Hopefully you can help me.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-14-2010 02:35 AM  8 years agoPost 6
SteveH

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Texas

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I owned and flew a Knight Pro, and it did not use a drive washer on the engine. I've owned and flown a K Pro, Sport, and two K3D's, and none of them used a drive washer on the engine, and I've run them with OS 50 Hypers, and TT .53's.

I can see that the instructions show it, but I've seen lots of kit instructions wrong.

The government cannot give you anything without first taking it from someone else.

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01-14-2010 03:21 AM  8 years agoPost 7
ScottV

rrApprentice

El Dorado Hills, CA

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Don't get me wrong Steve I am not questioning you, I just want to make sure I am doing the right thing. Here is what I have, so if you say this is ok I will finish putting it together and should be flying it soon. I have not own a nitro bird in about 5 years. I just got back into flying and started with a Trex 450 Sport, but my passion is the smell and sound of a nitro. If you say this is good then I trust you.

And many thanks for your help, seriously.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-14-2010 03:31 AM  8 years agoPost 8
petmotel

rrKey Veteran

DeKalb, IL.

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Scott the very earliest "Pros" had a press on hub that did require an airplane type of prop hub on the engine for the fan hub to sit down on. They changed that to the current screw on type a short while later, but they were never "Johnny on the Spot" to get their instruction manuals up to date. I still have two "Pro" models, one came with that type of fan hub, the second one came with a screw on type that didn't use the prop drive hub. Just use the drive washer that comes with the engine, and a current style screw on fan hub.

The "Pro" also came with a solid, silver colored main shaft. The hollow shafts first were introduced with the "Sport" version. That is the main shaft you will want if you bend the one on there now. They are longer than the 3D shafts.

If your Pro still has the plastic tail fin, dump it for the G-10 3D version, it's quite a bit lighter, same for the horizontal fin if you plan on using one. I also used the G-10 radio tray out of the 3D and moved the canopy posts but that's a little more involved as you have to relocate the canopy mounting holes.

One other tip, if the aileron, and pitch L-arms are mounted with 16mm long by 2.5mm bolts you might want to change them for 20mm long bolts, as there isn't much thread going in to the spacer with the shorter ones.

Have fun they're still very nice flying machines.

Jay

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01-14-2010 03:43 AM  8 years agoPost 9
ScottV

rrApprentice

El Dorado Hills, CA

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Jay, by drive washer do you mean the wafer thin washer that goes on after you put the fan on? I bought the motor second hand and a thin washer is all it came with.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-14-2010 03:51 AM  8 years agoPost 10
petmotel

rrKey Veteran

DeKalb, IL.

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Yes, if you use the current style screw on fan hub the thin washer is all you need.

The type of fan hub you have there requires a prop style drive washer which is what a 60 OS airplane motor uses (and fits a hyper), but I have no clue what the TT engine would need. It would be cheaper/easier to change the fan hub for a screw on type.

FWIW I do have a spare prop washer for an OS, but again I don't know if that would work for the TT.

Jay

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01-14-2010 04:34 AM  8 years agoPost 11
ScottV

rrApprentice

El Dorado Hills, CA

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Jay, is there a difference between the 50 3d and 50 sport fan hub or are both the screw on type. I plan on ordering one tomorrow.

And thanks for all the help from everyone, I truly appreciate it.

Scott

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-14-2010 04:49 AM  8 years agoPost 12
petmotel

rrKey Veteran

DeKalb, IL.

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All the screw on hubs are the same except for the new 3D plus, but I don't think anyone has those yet.

Jay

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01-14-2010 04:58 AM  8 years agoPost 13
ScottV

rrApprentice

El Dorado Hills, CA

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Once again thank you very much, you have made me a happy man. Kind of like an early birthday present.

So long and thanks for all the fish!
`·.¸¸.·´¯`·.. ><((((º>`·.¸¸.·´¯`·.¸><((((º>

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01-14-2010 12:36 PM  8 years agoPost 14
SteveH

rrProfessor

Texas

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Thanks Jay, for helping out on this one. I never had one that wasn't a screw-on type, so I guess all of mine were later models.

The government cannot give you anything without first taking it from someone else.

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