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05-14-2011 05:02 AM  7 years agoPost 1
philip 01

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I initially mounted it in the holes directly over the tail pulley.

Was told it should be in the hole forward of that to tension the belt.

Then read a discussion saying it should be over the pulley to keep the belt from riding over the pulley. What's the consensus and design intent?

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05-14-2011 05:50 AM  7 years agoPost 2
RCSavager

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Topeka, KS

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The design intent is to hold the belt onto the tail gear during high rpm. The bearing needs to be on the back hole just above the gear. To move it forward gives you no advantage and compromises the intent of the design. Why that set of holes forward of that is there is beyond me and only leads to confusion. Just my humble $.02.

Once you try steak, is hard to go back to hotdogs.

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05-14-2011 05:54 AM  7 years agoPost 3
philip 01

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ok. that was what i thought. will move it back.

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05-14-2011 11:36 PM  7 years agoPost 4
philip 01

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actually scratch that.

didn't work out too well having it in the aft hole. belt came off pulley after 2 flights. should have left it the way it was.

going back to the fwd for the stretch.

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05-15-2011 02:05 AM  7 years agoPost 5
RCSavager

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Topeka, KS

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Guess you got some kind of special edition bird then. Best of luck with it man.

Once you try steak, is hard to go back to hotdogs.

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05-15-2011 02:56 AM  7 years agoPost 6
philip 01

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not special.

the forward holes allow it to ride a little lower and tension the belt slightly. 12 flights that way, then moved it. bad idea. 2 flights and the 500se belt came right over the pulley.

jamie has his in the aft holes with the 600 belt. saw him today and discussed. rables uses the forward holes with a center bearing and 2 outer flanged bearings.

planning to go that route. the 600 and 600 se belt is stiffer side to side that the 500se belt. different material.

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05-15-2011 03:43 AM  7 years agoPost 7
RCSavager

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Topeka, KS

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The title of this thread is about a 600 belt. You never mentioned any other bird. Good luck with whatever you decide to do with whatever bird you wanted advice on. You asked about a 600 bird and then went to work on a 500SE. If you would've been clear about what bird you were talking about the advice you received would've been different. They are not the same setup with the same tendencies. All I can say is that I'm thankful that the advice you applied to the wrong bird didn't cause you a major crash. Next time you might want to be more specific before you blow 100's of dollars in a dirt nap.

Once you try steak, is hard to go back to hotdogs.

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05-15-2011 04:08 AM  7 years agoPost 8
rexxigpilot

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Florida

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Back position is correct as RCSavager said. The forward position serves no purpose and creates useless drag on the belt drive system. Which equals less hang time on autos, less overall power and belts that wear out quicker and stretch more. Gee, do you still want to put it where it doesn't belong!

This is true with 600 and 500SE.

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05-15-2011 04:10 AM  7 years agoPost 9
psych-lick

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Portland, OR

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thats what she said

(sorry. carry on)

-Jeff T.

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05-15-2011 04:12 AM  7 years agoPost 10
philip 01

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i think i confused you.

it is a 600 with boom cut to 690mm with a 500se belt and 553 blades.

now it is a 600se with 693mm blades, 105 tail, pyro 700-45, 12s. will probably run the fwd holes with flanged bearings on either side of the center bearing. keeps a little tension on the belt before it rolls over the pulley.

thanks for the commentary.

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05-15-2011 04:17 AM  7 years agoPost 11
philip 01

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Gee, do you still want to put it where it doesn't belong
ease up a little. in the fwd position all was good. aft, not so good.

fwd, auto's great, bearing riding the belt, not a problem.

you can place the bearing in one of two positions.

rables uses the fwd position with the flanged bearings and it is a free spinner. checked it out closely today.

actually discussed moving it back to the fwd position 5 minutes before the belt came off the pulley.

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05-15-2011 04:21 AM  7 years agoPost 12
RCSavager

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Topeka, KS

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i think i confused you.

it is a 600 with boom cut to 690mm with a 500se belt and 553 blades.

now it is a 600se with 693mm blades
Yeah, clear as mud. I give up.

Once you try steak, is hard to go back to hotdogs.

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05-15-2011 04:24 AM  7 years agoPost 13
philip 01

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no need to give up, we're good. will finalize with the local committee.

more cowbell,

https://rc.runryder.com/t642177p2/?p=5327343

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05-16-2011 03:45 PM  7 years agoPost 14
billybob

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Torrance, CA

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like i told you last week, the front hole...has been working great for many years, on the older style fins there was not even an option for a "rear" hole, and yes, i know the instructions show the rear hole and many are using it, it just apears to work better in the front.

you know phil, after we "spoke" yesterday, i thought to myself...you remind me of someone we both used to know...can you guess who?

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05-16-2011 05:37 PM  7 years agoPost 15
philip 01

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since you had to bring it up. which i wasn't, since it wasn't a big deal,

i had it in the front position. YOU told me to move it to the rear position and helped me do it at grapevine. and YOU remember telling me that even though you don't want me too. i placed it in the front when i built the kit like robert has his.

that was when YOU asked me if the spacers for the bearing came in the kit and i said yes.

i only moved it because you told me to put it over the pulley at the field.

i think part of the issue is boom flex since it blew out in the same spot on the same maneuver that the trex gears blew.

since you felt compelled to bring it up.

either way not a big deal. you'll be ok. it'a all good.

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05-16-2011 05:42 PM  7 years agoPost 16
billybob

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Torrance, CA

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since you had to bring it up. which i wasn't, since it wasn't a big deal,

i had it in the front position. YOU told me to move it to the rear position and helped me do it at grapevine. and YOU remember telling me that even though you don't want me too. i placed it in the front when i built the kit like robert has his.

that was when YOU asked me if the spacers for the bearing came in the kit and i said yes.

i only moved it because you told me to put it over the pulley at the field.

i think part of the issue is boom flex since it blew out in the same spot on the same maneuver that the trex gears blew.

since you felt compelled to bring it up.

either way not a big deal. you'll be ok. it'a all good.
not true and you know it. yes front hole works good.

and yes...it's okay. you going flying next weekend? the weather is supposed to be good

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05-16-2011 05:50 PM  7 years agoPost 17
philip 01

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YOU were there when i moved it to the aft hole.

YOU told me to move it to the aft hole, otherwise i would never had a reason to move it. it was working in the front hole. i flew it 14 times in the front hole. that was how i built it. i had no reason to move it before our discussion. you know and i know but it isn't an issue for me. just you it appears.

again, you brought this up yesterday with the runryder comment and again you brought up again today here.

but realize, it is ok. not a big deal. cost was zero. jamie runs his in the aft hole as well.

and yes, planning on going to glen rose.

all is good. no need to worry about it.

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05-16-2011 05:53 PM  7 years agoPost 18
billybob

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Torrance, CA

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hehehe

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05-16-2011 06:15 PM  7 years agoPost 19
philip 01

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damn dude. we'll go ahead and close this one out.

weird. but understood.

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