有問題!有關MARC.R EDITION 415.唔該師兄幫手

C HING們.有冇人知道MARC.R EDITION 415的齒比點計? 用futaba mc401r ecs?23T rz motor. 定係hobbie wing 60A 5.5T好?齒比又點計呢?
我搵唔到人問啊!唔該晒

23T rz  VS 5.5T    big difference in speed.  how to compare?

TRF415 MSXX Marc Ed -> Internal Ratio is 2.25
What spur size are you going to use?

我只知D係原裝齒輪?大齒輪應該係102T

我只知D係原裝齒輪?大齒輪應該係102T

TRF415 MSXX Marc Ed -> Internal Ratio is 2.25
What spur size are you going to use?
hardmankam 發表於 2009-10-2 12:07

                               
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so 如果我有27t 細齒102／27 x 2.25=8.5? 8.5會唔會太大？

For 5.5R motor, suggest b/w 7.5 to 8.5.
so 102 / 27 ... good!

Brushless 5.5R is similar speed to Brushed 10T
and it will be a lot faster than 23T RZ brushed motor.

23T brushed ~ 10.5R brushless.

謝謝！因為我好驚齒比唔岩會燒電變！但如果玩玩下覺得Ｄ野過熱，咁應該要大Ｄ齒比定細Ｄ呢？

謝謝！因為我好驚齒比唔岩會燒電變！但如果玩玩下覺得Ｄ野過熱，咁應該要大Ｄ齒比定細Ｄ呢？

For brushless motors: It gets hot if it is overgear and undergear.  So it's best to fall within the FDR range.

For ESC: It gets hot if there is a lot of current through the ESC.  My suggestion is this:
If you go with 13.5R to 8.5R motor, get at least 60A.  If 3.0R to 7.5R, get 120A.

Also get good batteries will reduce heat as well. (>30C discharge)

If you gearing is wrong, the motor will burnt out, the ESC will not.
If you motor winding is too much, your ESC will burnt out, your motor will not.

但如果玩玩下覺得Ｄ野過熱，咁應該要大Ｄ齒比定細Ｄ呢？

--> better to increase your gear ratio.
8.5:1 hotter
9.5:1 cooler

但如果玩玩下覺得Ｄ野過熱，咁應該要大Ｄ齒比定細Ｄ呢？

--> better to increase your gear ratio.
8.5:1 hotter
9.5:1 cooler
hardmankam 發表於 2009-10-2 16:40

                               
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thankyou so much!!! i have a clear concept now!

11# hardmankam
其實用60A電變玩13.5-8.5R同用120A電變分別大唔大…

因以前勁電變玩有刷keep電keep得好D…依家用Lipo電好似唔跌volt咁，洗唔洗用120A電變玩11.5R？

其實用60A電變玩13.5-8.5R同用120A電變分別大唔大…  -->  分別唔大

60A同 120A就唔知
但60A  同 靚ESC (LRP  KO)玩 11.5   就差好遠,可以話冇得比

60A同 120A就唔知
但60A  同 靚ESC (LRP  KO)玩 11.5   就差好遠,可以話冇得比
memberbilly 發表於 2009-10-4 00:49

                               
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Speed passion $880 果隻呢？…LRP --->貴

Speed passion $880 果隻    未用過唔知
我都想買隻試下