Michigan Sunday Funday 11/8

[3d-rc.myshopify.com]

Not I

 

[SledgeMan]

I have some footage, but it isn't appropriate to post here.

 

[SledgeMan]

@jondilly1974 My backflipping Senton 3S BLX setup is:

*Hobbywing EZRun Max 10 SCT
*Hobbywing 4000kv motor
*Stock spur gear
*20 tooth pinion

It had been so long since I ran (or worked on) the Senton that I completely forgot which pinion I was running. Lately, this setup has been overheating. I think I need to go through and change some bearings.

 

[jondilly1974]

@jondilly1974 My backflipping Senton 3S BLX setup is:

*Hobbywing EZRun Max 10 SCT
*Hobbywing 4000kv motor
*Stock spur gear
*20 tooth pinion

It had been so long since I ran (or worked on) the Senton that I completely forgot which pinion I was running. Lately, this setup has been overheating. I think I need to go through and change some bearings.

That 4000kv motor might be a little too high for 3S. Might consider something in the mid to upper 2xxxkv range to keep heat down.

 

[3d-rc.myshopify.com]

No wonder why is sounds like it's a chainsaw lol

 

[SledgeMan]

Front motor bearing and the slipper clutch bearing were going bad. This setup had worked fine over the summer with temps hovering around 160-180 degrees. This is a sensored motor too.

I changed the bearings and I'm dropping down to a 15T pinion. I did some speed runs over the summer and this chainsaw hit 55 mph on the money! Not bad for a 3S SCT!

3S (11.1) x 4000kv = 44,400 unloaded RPM.

 

[jondilly1974]

Front motor bearing and the slipper clutch bearing were going bad. This setup had worked fine over the summer with temps hovering around 160-180 degrees. This is a sensored motor too.

I changed the bearings and I'm dropping down to a 15T pinion. I did some speed runs over the summer and this chainsaw hit 55 mph on the money! Not bad for a 3S SCT!

3S (11.1) x 4000kv = 44,400 unloaded RPM.

View attachment 108879

Well that math is close. 3S is actually 12.6v fully charged. So it’s more like 50k rpms but that should still be ok. I just prefer lower KV motors for bashing and gear up to make up the speed. That thing was flying tho, so it’s legit.

 

[SledgeMan]

Well that math is close. 3S is actually 12.6v fully charged. So it’s more like 50k rpms but that should still be ok. I just prefer lower KV motors for bashing and gear up to make up the speed. That thing was flying tho, so it’s legit.

I've been considering dropping down to 3600ish-kv to lower my torque curve. Baby steps.

 

[SledgeMan]

I was throwing some decals on the Senton and decided to make "Sunday Funday" my primary sponsor On the world's first backflipping Senton, I might add! This thing was purchased as a Mega 550...and twice the amount of money later! Wa-La! Backflips and sponsorship!

Thanks for the decals! ?

...and I was on 3S. I haven't ran a 4 cell in it yet. I forgot that I could.

 

[3d-rc.myshopify.com]

Oh geez I gotta see that on 4s

 

[jondilly1974]

 

[3d-rc.myshopify.com]

Thread 'Possible Sunday Funday 3/14' Thread 'Possible Sunday Funday 3/14' https://www.arrmaforum.com/threads/possible-sunday-funday-3-14.35310/