Thread: X4 Spark
01-28-2015, 01:13 PM #1
Does anyone see any obvious obstacles/downfalls to trying to install the 900 ACE motor into an X4 hull? I'm thinking there should be enough room and nothing too custom should be required aside from possibly engine mounts. Your thoughts please.
01-28-2015, 03:50 PM #2
01-28-2015, 04:24 PM #3
01-28-2015, 04:26 PM #4
01-28-2015, 04:56 PM #5
Iam looking at doing the same conversion ... Have 2 Xp hulls ready just need donner ...
02-16-2015, 10:46 AM #6
- Join Date
- Jul 2010
- MIAMI, FL
A 787 is 110 hp and a 951 is 130 or 135 I beleive. So swapping in a 900 ace won't make sense unless it's turbo charged.
02-16-2015, 04:43 PM #7
Yes but less revs are required...
You have to remember what 2 smokes rev to to calculate that HP/KW... As HP is calculated similar to revs x torque.
So if you make more torque using less revs, you create less peak HP.
There is more than enough torque to get you going and do all the slow speed stuff you want, but if you want top end you will need it charged.
02-17-2015, 08:13 PM #8
02-18-2015, 07:13 AM #9
I still like to do the convertion ...
03-07-2015, 12:15 PM #10
I'd love to see it! A tuned ACE puts out 109, and a 787 puts out 110. It would be worth it in my book to no longer be burning 14 gallons an hour plus synthetic oil!
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